G7V Star System Generated (Seed: 1768749902)

Star Details

Spectral Class: G9V

Temperature: 5,240 K

Mass: 0.91 sol

Luminosity: 0.72 lux

Habitable Zone (HZ)

Inner Boundary: 0.81 AU

Outer Boundary: 1.17 AU

Physical Limits

Snow Line: 4.07 AU

Max System Radius: 19.1 AU

Planetary System (8 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.96 AU - 1.24 AU

Year: 442 Days

Day: 19.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 41 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.56 AU - 3.08 AU

Year: 1813 Days

Day: 33.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 24.7 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,537,006 km

  • M1: 1,102,985 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.52 AU - 3.5 AU

Year: 1999 Days

Day: 40.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 2 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,537,006 km

  • M1: 81,531 km (0.11 R)
  • M2: 755,170 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 9.6

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.19 AU - 6.17 AU

Year: 5183 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (81)

Outer Limit: 63,537,006 km

  • M1: 126,560 km (0.094 R)
  • M2: 243,845 km (0.057 R)
  • M3: 319,092 km (0.082 R)
  • M4: 414,536 km (0.035 R)
  • M5: 584,479 km (0.107 R)
  • M6: 673,041 km (0.091 R)
  • M7: 852,109 km (0.06 R)
  • M8: 1,033,721 km (0.104 R)
  • M9: 1,101,788 km (0.11 R)
  • M10: 1,344,885 km (0.059 R)
  • M11: 1,465,461 km (0.086 R)
  • M12: 1,573,919 km (0.116 R)
  • M13: 1,653,056 km (0.101 R)
  • M14: 2,069,387 km (0.105 R)
  • M15: 2,174,106 km (0.082 R)
  • M16: 2,667,629 km (0.099 R)
  • M17: 2,743,625 km (0.071 R)
  • M18: 3,606,805 km (0.097 R)
  • M19: 3,670,085 km (0.102 R)
  • M20: 3,883,411 km (0.115 R)
  • M21: 3,991,720 km (0.102 R)
  • M22: 4,570,813 km (0.06 R)
  • M23: 4,916,983 km (0.064 R)
  • M24: 5,034,417 km (0.093 R)
  • M25: 5,464,361 km (0.103 R)
  • M26: 6,056,171 km (0.097 R)
  • M27: 6,359,705 km (0.097 R)
  • M28: 6,929,074 km (0.086 R)
  • M29: 7,950,977 km (0.115 R)
  • M30: 8,423,258 km (0.115 R)
  • M31: 8,676,976 km (0.072 R)
  • M32: 8,790,520 km (0.08 R)
  • M33: 8,990,533 km (0.077 R)
  • M34: 9,192,041 km (0.115 R)
  • M35: 9,511,732 km (0.045 R)
  • M36: 9,687,659 km (0.106 R)
  • M37: 9,894,254 km (0.102 R)
  • M38: 10,013,034 km (0.048 R)
  • M39: 10,162,034 km (0.12 R)
  • M40: 11,102,705 km (0.107 R)
  • M41: 11,195,306 km (0.095 R)
  • M42: 11,818,531 km (0.028 R)
  • M43: 12,007,772 km (0.097 R)
  • M44: 12,677,821 km (0.096 R)
  • M45: 12,774,611 km (0.045 R)
  • M46: 13,001,252 km (0.086 R)
  • M47: 13,229,239 km (0.054 R)
  • M48: 13,327,375 km (0.081 R)
  • M49: 13,590,219 km (0.092 R)
  • M50: 13,788,436 km (0.117 R)
  • M51: 14,288,392 km (0.099 R)
  • M52: 14,591,178 km (0.095 R)
  • M53: 14,896,058 km (0.08 R)
  • M54: 15,032,192 km (0.071 R)
  • M55: 15,100,409 km (0.065 R)
  • M56: 15,615,624 km (0.05 R)
  • M57: 16,136,524 km (0.08 R)
  • M58: 17,267,035 km (0.101 R)
  • M59: 17,625,472 km (0.114 R)
  • M60: 17,805,587 km (0.084 R)
  • M61: 17,877,843 km (0.101 R)
  • M62: 18,131,412 km (0.079 R)
  • M63: 18,349,824 km (0.089 R)
  • M64: 18,422,679 km (0.1 R)
  • M65: 18,642,288 km (0.109 R)
  • M66: 19,417,355 km (0.069 R)
  • M67: 19,864,952 km (0.106 R)
  • M68: 20,353,688 km (0.037 R)
  • M69: 20,542,780 km (0.104 R)
  • M70: 20,618,476 km (0.078 R)
  • M71: 21,959,771 km (0.104 R)
  • M72: 22,076,008 km (0.055 R)
  • M73: 22,387,022 km (0.027 R)
  • M74: 24,123,853 km (0.043 R)
  • M75: 24,524,626 km (0.1 R)
  • M76: 25,210,832 km (0.089 R)
  • M77: 26,026,290 km (0.113 R)
  • M78: 26,354,956 km (0.114 R)
  • M79: 26,684,969 km (0.118 R)
  • M80: 27,099,355 km (0.036 R)
  • M81: 28,018,634 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.5 AU - 6.72 AU

Year: 5783 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.2 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (71)

Outer Limit: 63,537,006 km

  • M1: 185,352 km (0.098 R)
  • M2: 340,934 km (0.1 R)
  • M3: 658,530 km (0.116 R)
  • M4: 768,634 km (0.087 R)
  • M5: 845,826 km (0.102 R)
  • M6: 926,160 km (0.096 R)
  • M7: 1,037,611 km (0.054 R)
  • M8: 1,306,139 km (0.104 R)
  • M9: 1,432,998 km (0.077 R)
  • M10: 1,614,311 km (0.093 R)
  • M11: 2,857,170 km (0.119 R)
  • M12: 2,961,290 km (0.108 R)
  • M13: 3,109,242 km (0.08 R)
  • M14: 3,194,812 km (0.083 R)
  • M15: 3,368,495 km (0.116 R)
  • M16: 3,978,107 km (0.101 R)
  • M17: 4,893,646 km (0.077 R)
  • M18: 5,094,555 km (0.113 R)
  • M19: 5,298,308 km (0.117 R)
  • M20: 5,401,082 km (0.078 R)
  • M21: 5,872,464 km (0.098 R)
  • M22: 6,167,023 km (0.111 R)
  • M23: 6,742,974 km (0.084 R)
  • M24: 6,938,798 km (0.057 R)
  • M25: 7,307,407 km (0.093 R)
  • M26: 7,393,426 km (0.086 R)
  • M27: 7,595,533 km (0.115 R)
  • M28: 7,975,511 km (0.059 R)
  • M29: 8,663,213 km (0.045 R)
  • M30: 8,968,243 km (0.115 R)
  • M31: 9,526,093 km (0.077 R)
  • M32: 9,840,847 km (0.117 R)
  • M33: 10,031,435 km (0.088 R)
  • M34: 10,513,290 km (0.116 R)
  • M35: 11,068,447 km (0.097 R)
  • M36: 11,332,936 km (0.064 R)
  • M37: 11,767,369 km (0.106 R)
  • M38: 11,969,774 km (0.086 R)
  • M39: 12,825,325 km (0.052 R)
  • M40: 13,278,008 km (0.071 R)
  • M41: 13,383,325 km (0.115 R)
  • M42: 13,665,317 km (0.058 R)
  • M43: 14,127,574 km (0.076 R)
  • M44: 14,235,135 km (0.117 R)
  • M45: 15,067,797 km (0.057 R)
  • M46: 15,214,253 km (0.114 R)
  • M47: 17,046,528 km (0.111 R)
  • M48: 17,429,050 km (0.093 R)
  • M49: 17,814,264 km (0.109 R)
  • M50: 18,046,889 km (0.061 R)
  • M51: 18,671,909 km (0.081 R)
  • M52: 18,750,448 km (0.044 R)
  • M53: 19,303,960 km (0.095 R)
  • M54: 19,423,339 km (0.116 R)
  • M55: 19,622,753 km (0.11 R)
  • M56: 19,862,857 km (0.117 R)
  • M57: 20,184,642 km (0.114 R)
  • M58: 20,508,222 km (0.116 R)
  • M59: 21,447,847 km (0.11 R)
  • M60: 22,359,795 km (0.107 R)
  • M61: 22,485,009 km (0.081 R)
  • M62: 22,988,705 km (0.117 R)
  • M63: 23,964,532 km (0.082 R)
  • M64: 24,393,130 km (0.111 R)
  • M65: 26,088,373 km (0.058 R)
  • M66: 26,176,336 km (0.106 R)
  • M67: 26,839,204 km (0.066 R)
  • M68: 27,328,838 km (0.116 R)
  • M69: 27,462,878 km (0.116 R)
  • M70: 27,641,947 km (0.098 R)
  • M71: 29,683,210 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 8.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.18 AU - 11.6 AU

Year: 11017 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (64)

Outer Limit: 63,537,006 km

  • M1: 270,024 km (0.119 R)
  • M2: 572,810 km (0.059 R)
  • M3: 810,671 km (0.096 R)
  • M4: 1,267,244 km (0.085 R)
  • M5: 1,392,756 km (0.078 R)
  • M6: 1,503,608 km (0.07 R)
  • M7: 1,734,438 km (0.07 R)
  • M8: 1,813,874 km (0.081 R)
  • M9: 1,935,497 km (0.097 R)
  • M10: 2,101,850 km (0.077 R)
  • M11: 2,229,906 km (0.097 R)
  • M12: 2,471,207 km (0.108 R)
  • M13: 2,629,183 km (0.067 R)
  • M14: 3,074,835 km (0.111 R)
  • M15: 3,244,927 km (0.1 R)
  • M16: 3,904,056 km (0.067 R)
  • M17: 4,631,251 km (0.055 R)
  • M18: 4,967,846 km (0.116 R)
  • M19: 5,312,520 km (0.097 R)
  • M20: 5,605,582 km (0.074 R)
  • M21: 5,813,972 km (0.057 R)
  • M22: 5,964,318 km (0.104 R)
  • M23: 6,055,123 km (0.086 R)
  • M24: 6,516,334 km (0.09 R)
  • M25: 6,641,248 km (0.092 R)
  • M26: 7,052,642 km (0.092 R)
  • M27: 8,403,810 km (0.099 R)
  • M28: 8,574,052 km (0.106 R)
  • M29: 8,642,419 km (0.11 R)
  • M30: 9,301,248 km (0.116 R)
  • M31: 10,084,093 km (0.032 R)
  • M32: 10,337,662 km (0.088 R)
  • M33: 10,814,131 km (0.028 R)
  • M34: 11,372,879 km (0.064 R)
  • M35: 12,286,324 km (0.111 R)
  • M36: 12,869,157 km (0.081 R)
  • M37: 15,123,447 km (0.058 R)
  • M38: 15,496,993 km (0.058 R)
  • M39: 16,210,874 km (0.06 R)
  • M40: 17,064,480 km (0.096 R)
  • M41: 17,801,548 km (0.051 R)
  • M42: 17,888,913 km (0.111 R)
  • M43: 20,622,216 km (0.072 R)
  • M44: 21,592,807 km (0.093 R)
  • M45: 22,389,565 km (0.083 R)
  • M46: 23,148,176 km (0.09 R)
  • M47: 23,243,620 km (0.12 R)
  • M48: 24,011,655 km (0.097 R)
  • M49: 24,253,405 km (0.092 R)
  • M50: 24,788,068 km (0.104 R)
  • M51: 25,819,396 km (0.106 R)
  • M52: 26,814,820 km (0.06 R)
  • M53: 27,974,951 km (0.03 R)
  • M54: 30,031,324 km (0.035 R)
  • M55: 30,552,972 km (0.074 R)
  • M56: 30,657,690 km (0.045 R)
  • M57: 31,870,181 km (0.101 R)
  • M58: 32,029,503 km (0.069 R)
  • M59: 32,135,867 km (0.103 R)
  • M60: 34,233,229 km (0.108 R)
  • M61: 35,161,334 km (0.052 R)
  • M62: 35,711,106 km (0.028 R)
  • M63: 35,821,360 km (0.098 R)
  • M64: 36,429,924 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 12.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.78 AU - 12.34 AU

Year: 12217 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (77)

Outer Limit: 63,537,006 km

  • M1: 410,347 km (0.116 R)
  • M2: 754,272 km (0.054 R)
  • M3: 1,109,567 km (0.081 R)
  • M4: 1,598,453 km (0.088 R)
  • M5: 2,220,332 km (0.098 R)
  • M6: 2,938,252 km (0.082 R)
  • M7: 3,445,837 km (0.109 R)
  • M8: 3,584,066 km (0.086 R)
  • M9: 4,126,208 km (0.115 R)
  • M10: 4,362,274 km (0.06 R)
  • M11: 4,512,021 km (0.043 R)
  • M12: 5,543,648 km (0.082 R)
  • M13: 5,673,499 km (0.091 R)
  • M14: 6,036,124 km (0.068 R)
  • M15: 6,237,034 km (0.098 R)
  • M16: 6,338,312 km (0.091 R)
  • M17: 6,680,143 km (0.108 R)
  • M18: 6,818,521 km (0.1 R)
  • M19: 8,854,698 km (0.077 R)
  • M20: 9,160,027 km (0.079 R)
  • M21: 9,663,574 km (0.097 R)
  • M22: 10,536,477 km (0.07 R)
  • M23: 11,064,109 km (0.114 R)
  • M24: 11,146,089 km (0.077 R)
  • M25: 11,683,594 km (0.112 R)
  • M26: 12,698,316 km (0.111 R)
  • M27: 12,999,606 km (0.086 R)
  • M28: 13,259,757 km (0.106 R)
  • M29: 13,961,820 km (0.095 R)
  • M30: 14,362,144 km (0.098 R)
  • M31: 14,496,333 km (0.118 R)
  • M32: 14,992,250 km (0.115 R)
  • M33: 15,631,482 km (0.104 R)
  • M34: 16,466,537 km (0.084 R)
  • M35: 16,560,185 km (0.077 R)
  • M36: 16,936,573 km (0.084 R)
  • M37: 17,938,281 km (0.097 R)
  • M38: 19,205,075 km (0.091 R)
  • M39: 19,749,612 km (0.105 R)
  • M40: 20,854,093 km (0.102 R)
  • M41: 22,133,304 km (0.098 R)
  • M42: 22,652,110 km (0.054 R)
  • M43: 22,756,379 km (0.083 R)
  • M44: 23,490,606 km (0.109 R)
  • M45: 23,596,222 km (0.115 R)
  • M46: 24,126,097 km (0.077 R)
  • M47: 26,011,928 km (0.074 R)
  • M48: 26,339,996 km (0.049 R)
  • M49: 26,614,359 km (0.077 R)
  • M50: 26,834,567 km (0.102 R)
  • M51: 27,110,725 km (0.081 R)
  • M52: 28,618,073 km (0.08 R)
  • M53: 28,787,268 km (0.11 R)
  • M54: 28,956,762 km (0.037 R)
  • M55: 29,239,951 km (0.116 R)
  • M56: 30,382,131 km (0.093 R)
  • M57: 30,958,681 km (0.065 R)
  • M58: 31,132,364 km (0.117 R)
  • M59: 32,709,874 km (0.118 R)
  • M60: 33,300,785 km (0.088 R)
  • M61: 33,538,197 km (0.07 R)
  • M62: 33,776,058 km (0.026 R)
  • M63: 34,074,206 km (0.104 R)
  • M64: 35,275,627 km (0.098 R)
  • M65: 35,578,114 km (0.09 R)
  • M66: 35,760,174 km (0.087 R)
  • M67: 36,735,702 km (0.089 R)
  • M68: 37,165,197 km (0.026 R)
  • M69: 37,411,436 km (0.096 R)
  • M70: 37,843,624 km (0.101 R)
  • M71: 38,588,322 km (0.111 R)
  • M72: 39,840,307 km (0.112 R)
  • M73: 40,851,439 km (0.082 R)
  • M74: 41,169,035 km (0.111 R)
  • M75: 41,870,948 km (0.108 R)
  • M76: 41,999,004 km (0.053 R)
  • M77: 43,092,564 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.2

Radius: 7.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 9.36 AU - 13.84 AU

Year: 15127 Days

Day: 17.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (85)

Outer Limit: 63,537,006 km

  • M1: 143,614 km (0.063 R)
  • M2: 238,908 km (0.118 R)
  • M3: 644,318 km (0.1 R)
  • M4: 1,754,334 km (0.094 R)
  • M5: 1,985,164 km (0.108 R)
  • M6: 2,104,393 km (0.107 R)
  • M7: 2,287,651 km (0.095 R)
  • M8: 2,476,144 km (0.114 R)
  • M9: 2,540,022 km (0.092 R)
  • M10: 2,604,649 km (0.108 R)
  • M11: 3,071,693 km (0.12 R)
  • M12: 3,210,071 km (0.102 R)
  • M13: 3,932,030 km (0.1 R)
  • M14: 4,158,372 km (0.098 R)
  • M15: 5,064,486 km (0.038 R)
  • M16: 5,687,412 km (0.113 R)
  • M17: 5,943,523 km (0.094 R)
  • M18: 6,246,908 km (0.083 R)
  • M19: 7,050,248 km (0.115 R)
  • M20: 8,171,185 km (0.104 R)
  • M21: 9,196,978 km (0.118 R)
  • M22: 10,366,384 km (0.032 R)
  • M23: 11,207,124 km (0.118 R)
  • M24: 11,474,456 km (0.109 R)
  • M25: 11,581,867 km (0.11 R)
  • M26: 11,852,041 km (0.086 R)
  • M27: 11,906,345 km (0.105 R)
  • M28: 13,234,026 km (0.114 R)
  • M29: 14,899,948 km (0.087 R)
  • M30: 15,966,880 km (0.103 R)
  • M31: 16,388,447 km (0.081 R)
  • M32: 16,509,621 km (0.091 R)
  • M33: 16,691,831 km (0.109 R)
  • M34: 16,752,718 km (0.108 R)
  • M35: 17,119,681 km (0.111 R)
  • M36: 17,674,988 km (0.049 R)
  • M37: 18,048,534 km (0.045 R)
  • M38: 18,236,280 km (0.091 R)
  • M39: 18,803,405 km (0.047 R)
  • M40: 21,991,037 km (0.089 R)
  • M41: 22,460,026 km (0.093 R)
  • M42: 22,796,920 km (0.09 R)
  • M43: 23,612,378 km (0.068 R)
  • M44: 25,132,143 km (0.103 R)
  • M45: 26,044,989 km (0.032 R)
  • M46: 26,115,599 km (0.068 R)
  • M47: 26,398,938 km (0.075 R)
  • M48: 28,120,061 km (0.077 R)
  • M49: 28,410,431 km (0.072 R)
  • M50: 29,361,125 km (0.076 R)
  • M51: 29,508,180 km (0.08 R)
  • M52: 30,545,342 km (0.041 R)
  • M53: 30,843,790 km (0.088 R)
  • M54: 31,293,331 km (0.104 R)
  • M55: 34,035,909 km (0.052 R)
  • M56: 34,733,634 km (0.098 R)
  • M57: 35,279,367 km (0.039 R)
  • M58: 35,749,553 km (0.036 R)
  • M59: 36,142,846 km (0.09 R)
  • M60: 37,810,563 km (0.077 R)
  • M61: 38,452,487 km (0.117 R)
  • M62: 38,774,870 km (0.082 R)
  • M63: 40,563,463 km (0.083 R)
  • M64: 41,055,939 km (0.086 R)
  • M65: 41,467,931 km (0.079 R)
  • M66: 41,798,393 km (0.038 R)
  • M67: 43,296,466 km (0.067 R)
  • M68: 45,321,273 km (0.097 R)
  • M69: 46,602,280 km (0.097 R)
  • M70: 48,502,622 km (0.099 R)
  • M71: 50,076,242 km (0.115 R)
  • M72: 50,428,096 km (0.047 R)
  • M73: 52,289,393 km (0.11 R)
  • M74: 54,082,772 km (0.092 R)
  • M75: 54,624,765 km (0.094 R)
  • M76: 54,896,435 km (0.094 R)
  • M77: 54,986,941 km (0.047 R)
  • M78: 55,077,747 km (0.054 R)
  • M79: 55,713,987 km (0.109 R)
  • M80: 58,468,533 km (0.075 R)
  • M81: 60,048,884 km (0.114 R)
  • M82: 60,142,383 km (0.107 R)
  • M83: 61,266,910 km (0.095 R)
  • M84: 61,831,942 km (0.034 R)
  • M85: 62,872,096 km (0.068 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 13,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit