G8V Star System Generated (Seed: 1766599799)

Star Details

Spectral Class: G2V

Temperature: 5,840 K

Mass: 1.06 sol

Luminosity: 1.23 lux

Habitable Zone (HZ)

Inner Boundary: 1.06 AU

Outer Boundary: 1.52 AU

Physical Limits

Snow Line: 5.32 AU

Max System Radius: 20.6 AU

Planetary System (8 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.59 AU - 0.75 AU

Year: 195 Days

Day: 19.2 Hours

Environment

Temp: 235 °C

Axial Tilt: 43.3 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,881,512 km

  • M1: 342,579 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.66 AU - 2.62 AU

Year: 1111 Days

Day: 26.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 15.8 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.19 AU - 4.93 AU

Year: 2902 Days

Day: 47.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.8 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 13.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.14 AU - 8.3 AU

Year: 8361 Days

Day: 8.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (74)

Outer Limit: 66,881,512 km

  • M1: 252,970 km (0.083 R)
  • M2: 550,071 km (0.099 R)
  • M3: 871,557 km (0.051 R)
  • M4: 1,119,890 km (0.084 R)
  • M5: 1,406,370 km (0.059 R)
  • M6: 1,581,100 km (0.098 R)
  • M7: 1,936,694 km (0.108 R)
  • M8: 2,283,911 km (0.082 R)
  • M9: 2,759,931 km (0.094 R)
  • M10: 2,870,035 km (0.1 R)
  • M11: 2,981,635 km (0.119 R)
  • M12: 3,305,814 km (0.096 R)
  • M13: 3,541,730 km (0.104 R)
  • M14: 4,693,184 km (0.112 R)
  • M15: 4,825,579 km (0.071 R)
  • M16: 5,026,339 km (0.097 R)
  • M17: 5,298,457 km (0.059 R)
  • M18: 5,390,310 km (0.116 R)
  • M19: 5,482,612 km (0.103 R)
  • M20: 5,575,513 km (0.106 R)
  • M21: 5,786,446 km (0.094 R)
  • M22: 6,143,835 km (0.101 R)
  • M23: 6,386,333 km (0.112 R)
  • M24: 6,533,238 km (0.083 R)
  • M25: 6,930,720 km (0.099 R)
  • M26: 8,037,894 km (0.052 R)
  • M27: 8,733,972 km (0.096 R)
  • M28: 8,842,730 km (0.085 R)
  • M29: 9,034,215 km (0.027 R)
  • M30: 9,144,319 km (0.086 R)
  • M31: 9,310,373 km (0.11 R)
  • M32: 10,442,380 km (0.103 R)
  • M33: 10,673,958 km (0.107 R)
  • M34: 11,468,322 km (0.044 R)
  • M35: 11,617,471 km (0.073 R)
  • M36: 11,707,380 km (0.057 R)
  • M37: 11,887,795 km (0.116 R)
  • M38: 12,373,240 km (0.104 R)
  • M39: 12,495,761 km (0.108 R)
  • M40: 12,680,065 km (0.116 R)
  • M41: 13,238,664 km (0.114 R)
  • M42: 13,584,085 km (0.109 R)
  • M43: 13,932,349 km (0.087 R)
  • M44: 14,059,806 km (0.1 R)
  • M45: 15,092,929 km (0.114 R)
  • M46: 15,618,766 km (0.114 R)
  • M47: 16,117,076 km (0.065 R)
  • M48: 16,250,966 km (0.06 R)
  • M49: 16,587,113 km (0.071 R)
  • M50: 16,823,777 km (0.07 R)
  • M51: 17,061,488 km (0.088 R)
  • M52: 17,368,911 km (0.117 R)
  • M53: 17,609,165 km (0.102 R)
  • M54: 17,816,059 km (0.119 R)
  • M55: 18,162,677 km (0.039 R)
  • M56: 18,371,815 km (0.087 R)
  • M57: 19,180,541 km (0.101 R)
  • M58: 19,357,964 km (0.096 R)
  • M59: 19,500,232 km (0.073 R)
  • M60: 21,639,182 km (0.074 R)
  • M61: 22,867,680 km (0.108 R)
  • M62: 22,980,477 km (0.086 R)
  • M63: 23,244,517 km (0.061 R)
  • M64: 23,661,297 km (0.048 R)
  • M65: 24,004,175 km (0.104 R)
  • M66: 24,195,511 km (0.104 R)
  • M67: 24,387,146 km (0.119 R)
  • M68: 24,579,379 km (0.075 R)
  • M69: 24,887,999 km (0.067 R)
  • M70: 25,081,579 km (0.101 R)
  • M71: 25,626,115 km (0.114 R)
  • M72: 25,743,400 km (0.11 R)
  • M73: 25,978,269 km (0.111 R)
  • M74: 26,489,744 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 9.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.03 AU - 11.41 AU

Year: 10751 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (57)

Outer Limit: 66,881,512 km

  • M1: 222,602 km (0.106 R)
  • M2: 315,801 km (0.082 R)
  • M3: 427,252 km (0.109 R)
  • M4: 683,961 km (0.105 R)
  • M5: 752,926 km (0.044 R)
  • M6: 824,434 km (0.058 R)
  • M7: 1,204,263 km (0.089 R)
  • M8: 1,406,220 km (0.083 R)
  • M9: 1,745,957 km (0.055 R)
  • M10: 1,810,583 km (0.11 R)
  • M11: 2,446,075 km (0.085 R)
  • M12: 3,028,310 km (0.098 R)
  • M13: 3,406,044 km (0.101 R)
  • M14: 4,627,361 km (0.115 R)
  • M15: 4,877,339 km (0.092 R)
  • M16: 5,062,093 km (0.117 R)
  • M17: 5,367,272 km (0.104 R)
  • M18: 6,723,527 km (0.102 R)
  • M19: 7,506,073 km (0.048 R)
  • M20: 7,746,477 km (0.093 R)
  • M21: 7,935,120 km (0.081 R)
  • M22: 8,372,245 km (0.045 R)
  • M23: 8,538,298 km (0.108 R)
  • M24: 9,875,703 km (0.028 R)
  • M25: 10,793,038 km (0.115 R)
  • M26: 12,016,748 km (0.072 R)
  • M27: 12,392,388 km (0.118 R)
  • M28: 12,835,497 km (0.109 R)
  • M29: 13,219,515 km (0.074 R)
  • M30: 13,477,571 km (0.118 R)
  • M31: 14,327,886 km (0.051 R)
  • M32: 15,263,022 km (0.101 R)
  • M33: 15,432,068 km (0.08 R)
  • M34: 16,876,734 km (0.055 R)
  • M35: 17,121,626 km (0.105 R)
  • M36: 17,756,968 km (0.108 R)
  • M37: 18,006,049 km (0.119 R)
  • M38: 18,077,407 km (0.082 R)
  • M39: 18,905,281 km (0.082 R)
  • M40: 19,819,175 km (0.097 R)
  • M41: 20,225,782 km (0.072 R)
  • M42: 20,486,082 km (0.054 R)
  • M43: 21,765,742 km (0.055 R)
  • M44: 22,645,976 km (0.106 R)
  • M45: 22,723,169 km (0.109 R)
  • M46: 23,226,416 km (0.093 R)
  • M47: 23,381,998 km (0.096 R)
  • M48: 23,459,938 km (0.086 R)
  • M49: 23,694,208 km (0.094 R)
  • M50: 24,520,437 km (0.089 R)
  • M51: 24,877,378 km (0.102 R)
  • M52: 25,276,056 km (0.092 R)
  • M53: 25,958,522 km (0.109 R)
  • M54: 26,769,342 km (0.093 R)
  • M55: 27,177,894 km (0.07 R)
  • M56: 27,259,724 km (0.051 R)
  • M57: 27,341,853 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 8.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.19 AU - 10.75 AU

Year: 12019 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 143.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (65)

Outer Limit: 66,881,512 km

  • M1: 111,002 km (0.118 R)
  • M2: 325,076 km (0.088 R)
  • M3: 416,630 km (0.111 R)
  • M4: 550,371 km (0.109 R)
  • M5: 887,115 km (0.116 R)
  • M6: 1,529,489 km (0.078 R)
  • M7: 1,593,816 km (0.072 R)
  • M8: 1,725,611 km (0.104 R)
  • M9: 1,895,255 km (0.116 R)
  • M10: 2,052,782 km (0.112 R)
  • M11: 2,863,752 km (0.06 R)
  • M12: 3,209,174 km (0.073 R)
  • M13: 3,355,480 km (0.066 R)
  • M14: 3,676,068 km (0.084 R)
  • M15: 3,939,810 km (0.06 R)
  • M16: 4,006,680 km (0.087 R)
  • M17: 4,439,167 km (0.062 R)
  • M18: 5,249,988 km (0.105 R)
  • M19: 5,597,055 km (0.109 R)
  • M20: 5,798,713 km (0.12 R)
  • M21: 5,849,576 km (0.058 R)
  • M22: 6,131,568 km (0.06 R)
  • M23: 6,235,239 km (0.072 R)
  • M24: 6,497,036 km (0.074 R)
  • M25: 7,413,921 km (0.101 R)
  • M26: 8,000,195 km (0.112 R)
  • M27: 8,170,437 km (0.106 R)
  • M28: 8,370,749 km (0.1 R)
  • M29: 8,572,556 km (0.106 R)
  • M30: 9,665,818 km (0.099 R)
  • M31: 10,029,789 km (0.084 R)
  • M32: 10,121,493 km (0.092 R)
  • M33: 10,990,806 km (0.065 R)
  • M34: 11,819,279 km (0.116 R)
  • M35: 12,013,307 km (0.11 R)
  • M36: 12,175,771 km (0.114 R)
  • M37: 12,404,506 km (0.095 R)
  • M38: 13,266,638 km (0.119 R)
  • M39: 13,367,318 km (0.065 R)
  • M40: 13,603,383 km (0.063 R)
  • M41: 13,874,754 km (0.082 R)
  • M42: 14,045,295 km (0.093 R)
  • M43: 15,083,056 km (0.067 R)
  • M44: 15,895,372 km (0.055 R)
  • M45: 16,253,061 km (0.104 R)
  • M46: 17,049,071 km (0.059 R)
  • M47: 17,672,894 km (0.118 R)
  • M48: 18,080,548 km (0.05 R)
  • M49: 18,155,048 km (0.115 R)
  • M50: 18,829,585 km (0.119 R)
  • M51: 18,942,830 km (0.072 R)
  • M52: 19,018,527 km (0.092 R)
  • M53: 19,094,223 km (0.117 R)
  • M54: 20,941,458 km (0.099 R)
  • M55: 21,097,937 km (0.096 R)
  • M56: 22,563,996 km (0.111 R)
  • M57: 23,046,450 km (0.037 R)
  • M58: 23,654,415 km (0.026 R)
  • M59: 25,301,039 km (0.062 R)
  • M60: 26,560,354 km (0.116 R)
  • M61: 26,857,007 km (0.105 R)
  • M62: 27,582,257 km (0.092 R)
  • M63: 28,270,706 km (0.065 R)
  • M64: 28,660,409 km (0.085 R)
  • M65: 28,790,709 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 8.7

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.89 AU - 11.67 AU

Year: 13440 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (94)

Outer Limit: 66,881,512 km

  • M1: 181,013 km (0.097 R)
  • M2: 325,974 km (0.098 R)
  • M3: 416,032 km (0.055 R)
  • M4: 576,849 km (0.108 R)
  • M5: 657,034 km (0.112 R)
  • M6: 1,017,415 km (0.111 R)
  • M7: 1,389,914 km (0.087 R)
  • M8: 1,660,686 km (0.099 R)
  • M9: 1,826,590 km (0.073 R)
  • M10: 1,948,363 km (0.071 R)
  • M11: 2,022,862 km (0.079 R)
  • M12: 3,579,877 km (0.058 R)
  • M13: 4,110,201 km (0.093 R)
  • M14: 4,934,486 km (0.111 R)
  • M15: 5,916,745 km (0.109 R)
  • M16: 6,542,064 km (0.116 R)
  • M17: 7,460,446 km (0.077 R)
  • M18: 7,894,728 km (0.089 R)
  • M19: 7,974,614 km (0.053 R)
  • M20: 8,135,132 km (0.086 R)
  • M21: 8,296,848 km (0.081 R)
  • M22: 8,418,770 km (0.106 R)
  • M23: 8,541,290 km (0.114 R)
  • M24: 8,664,409 km (0.096 R)
  • M25: 9,288,681 km (0.078 R)
  • M26: 9,585,035 km (0.075 R)
  • M27: 10,536,627 km (0.043 R)
  • M28: 12,065,816 km (0.093 R)
  • M29: 12,296,496 km (0.081 R)
  • M30: 12,528,672 km (0.095 R)
  • M31: 13,139,031 km (0.093 R)
  • M32: 13,471,737 km (0.116 R)
  • M33: 13,567,330 km (0.113 R)
  • M34: 14,000,117 km (0.119 R)
  • M35: 14,096,907 km (0.109 R)
  • M36: 14,339,853 km (0.099 R)
  • M37: 14,584,296 km (0.071 R)
  • M38: 14,731,650 km (0.113 R)
  • M39: 15,226,221 km (0.049 R)
  • M40: 15,375,669 km (0.079 R)
  • M41: 16,793,707 km (0.109 R)
  • M42: 17,258,358 km (0.081 R)
  • M43: 17,362,179 km (0.084 R)
  • M44: 18,147,568 km (0.117 R)
  • M45: 18,784,257 km (0.099 R)
  • M46: 19,051,738 km (0.079 R)
  • M47: 19,266,560 km (0.054 R)
  • M48: 20,792,907 km (0.084 R)
  • M49: 21,794,615 km (0.107 R)
  • M50: 22,357,851 km (0.106 R)
  • M51: 23,097,313 km (0.092 R)
  • M52: 23,269,051 km (0.108 R)
  • M53: 24,483,337 km (0.118 R)
  • M54: 25,422,363 km (0.104 R)
  • M55: 25,718,118 km (0.051 R)
  • M56: 26,373,057 km (0.101 R)
  • M57: 26,852,668 km (0.095 R)
  • M58: 28,738,798 km (0.105 R)
  • M59: 29,294,255 km (0.104 R)
  • M60: 29,480,205 km (0.088 R)
  • M61: 29,542,288 km (0.042 R)
  • M62: 30,228,045 km (0.078 R)
  • M63: 30,415,940 km (0.113 R)
  • M64: 30,982,018 km (0.045 R)
  • M65: 31,551,537 km (0.091 R)
  • M66: 31,742,275 km (0.1 R)
  • M67: 32,060,768 km (0.085 R)
  • M68: 32,316,431 km (0.063 R)
  • M69: 32,636,870 km (0.11 R)
  • M70: 34,712,840 km (0.044 R)
  • M71: 34,909,561 km (0.117 R)
  • M72: 35,106,731 km (0.087 R)
  • M73: 35,370,322 km (0.078 R)
  • M74: 36,964,886 km (0.105 R)
  • M75: 39,674,253 km (0.117 R)
  • M76: 39,742,918 km (0.098 R)
  • M77: 39,811,434 km (0.062 R)
  • M78: 40,292,690 km (0.054 R)
  • M79: 41,052,797 km (0.079 R)
  • M80: 41,747,979 km (0.098 R)
  • M81: 42,167,002 km (0.117 R)
  • M82: 42,376,888 km (0.089 R)
  • M83: 43,644,281 km (0.03 R)
  • M84: 43,998,529 km (0.105 R)
  • M85: 44,282,615 km (0.104 R)
  • M86: 44,923,941 km (0.089 R)
  • M87: 45,138,465 km (0.1 R)
  • M88: 46,071,806 km (0.102 R)
  • M89: 46,143,912 km (0.052 R)
  • M90: 46,288,124 km (0.099 R)
  • M91: 46,432,486 km (0.115 R)
  • M92: 47,665,921 km (0.116 R)
  • M93: 48,836,524 km (0.091 R)
  • M94: 49,204,236 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.7

Radius: 7.3

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 12.14 AU - 14.14 AU

Year: 16898 Days

Day: 15.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 50 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (91)

Outer Limit: 66,881,512 km

  • M1: 265,686 km (0.079 R)
  • M2: 387,159 km (0.048 R)
  • M3: 793,168 km (0.113 R)
  • M4: 905,666 km (0.049 R)
  • M5: 999,763 km (0.057 R)
  • M6: 1,097,001 km (0.114 R)
  • M7: 1,223,262 km (0.101 R)
  • M8: 1,301,352 km (0.094 R)
  • M9: 1,630,467 km (0.093 R)
  • M10: 1,716,785 km (0.037 R)
  • M11: 1,804,749 km (0.116 R)
  • M12: 2,046,499 km (0.057 R)
  • M13: 2,202,829 km (0.093 R)
  • M14: 2,428,572 km (0.111 R)
  • M15: 2,627,836 km (0.118 R)
  • M16: 2,763,821 km (0.096 R)
  • M17: 3,366,999 km (0.102 R)
  • M18: 4,325,323 km (0.064 R)
  • M19: 4,608,063 km (0.088 R)
  • M20: 4,813,760 km (0.108 R)
  • M21: 5,276,616 km (0.068 R)
  • M22: 5,535,271 km (0.118 R)
  • M23: 5,842,096 km (0.029 R)
  • M24: 6,019,968 km (0.104 R)
  • M25: 6,381,097 km (0.032 R)
  • M26: 6,842,307 km (0.1 R)
  • M27: 7,699,653 km (0.027 R)
  • M28: 7,748,272 km (0.072 R)
  • M29: 8,091,450 km (0.116 R)
  • M30: 8,691,337 km (0.104 R)
  • M31: 10,360,101 km (0.079 R)
  • M32: 11,230,611 km (0.087 R)
  • M33: 11,507,517 km (0.081 R)
  • M34: 11,674,767 km (0.107 R)
  • M35: 12,294,701 km (0.063 R)
  • M36: 13,157,282 km (0.111 R)
  • M37: 14,098,851 km (0.081 R)
  • M38: 14,218,081 km (0.114 R)
  • M39: 14,577,714 km (0.115 R)
  • M40: 16,046,167 km (0.03 R)
  • M41: 19,518,034 km (0.104 R)
  • M42: 19,584,456 km (0.047 R)
  • M43: 21,201,010 km (0.068 R)
  • M44: 22,789,889 km (0.081 R)
  • M45: 23,634,070 km (0.062 R)
  • M46: 25,643,169 km (0.06 R)
  • M47: 27,111,473 km (0.051 R)
  • M48: 27,855,872 km (0.066 R)
  • M49: 29,517,006 km (0.115 R)
  • M50: 30,590,670 km (0.115 R)
  • M51: 31,365,438 km (0.099 R)
  • M52: 31,443,228 km (0.091 R)
  • M53: 33,013,258 km (0.043 R)
  • M54: 33,330,406 km (0.115 R)
  • M55: 34,287,682 km (0.055 R)
  • M56: 36,229,164 km (0.096 R)
  • M57: 36,802,123 km (0.107 R)
  • M58: 38,622,281 km (0.033 R)
  • M59: 39,375,356 km (0.043 R)
  • M60: 40,048,846 km (0.054 R)
  • M61: 40,471,610 km (0.094 R)
  • M62: 40,641,104 km (0.048 R)
  • M63: 41,321,774 km (0.119 R)
  • M64: 42,177,773 km (0.099 R)
  • M65: 42,866,671 km (0.065 R)
  • M66: 43,733,142 km (0.048 R)
  • M67: 45,483,437 km (0.116 R)
  • M68: 45,571,551 km (0.105 R)
  • M69: 49,594,985 km (0.093 R)
  • M70: 49,958,059 km (0.059 R)
  • M71: 51,419,331 km (0.087 R)
  • M72: 53,172,768 km (0.096 R)
  • M73: 53,916,868 km (0.082 R)
  • M74: 54,570,910 km (0.084 R)
  • M75: 54,758,206 km (0.082 R)
  • M76: 55,697,980 km (0.076 R)
  • M77: 56,075,415 km (0.064 R)
  • M78: 56,453,748 km (0.115 R)
  • M79: 57,212,808 km (0.067 R)
  • M80: 57,593,535 km (0.073 R)
  • M81: 58,166,345 km (0.09 R)
  • M82: 59,799,505 km (0.102 R)
  • M83: 59,896,145 km (0.107 R)
  • M84: 62,033,001 km (0.09 R)
  • M85: 62,620,173 km (0.044 R)
  • M86: 63,701,317 km (0.054 R)
  • M87: 64,689,560 km (0.068 R)
  • M88: 65,483,775 km (0.114 R)
  • M89: 65,583,407 km (0.084 R)
  • M90: 65,882,154 km (0.099 R)
  • M91: 66,781,387 km (0.112 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,525 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit