Star System Generated (Seed: 1767319925)

Star Details

Spectral Class: K0V

Temperature: 5,093 K

Mass: 0.76 sol

Luminosity: 0.38 lux

Habitable Zone (HZ)

Inner Boundary: 0.59 AU

Outer Boundary: 0.85 AU

Physical Limits

Snow Line: 2.96 AU

Max System Radius: 17.4 AU

Planetary System (8 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.47 AU - 0.75 AU

Year: 200 Days

Day: 30 Hours

Environment

Temp: 17 °C

Axial Tilt: 14.3 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.83 AU - 1.33 AU

Year: 470 Days

Day: 44.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.2 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,571,127 km

  • M1: 836,701 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.29 AU - 1.37 AU

Year: 643 Days

Day: 12.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 22.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,571,127 km

  • M1: 156,180 km (0.04 R)
  • M2: 481,406 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 10.2

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.1 AU - 3.34 AU

Year: 2421 Days

Day: 13.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 178.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (77)

Outer Limit: 44,571,127 km

  • M1: 156,180 km (0.081 R)
  • M2: 327,919 km (0.082 R)
  • M3: 409,749 km (0.057 R)
  • M4: 659,876 km (0.096 R)
  • M5: 779,405 km (0.049 R)
  • M6: 866,770 km (0.073 R)
  • M7: 1,084,285 km (0.091 R)
  • M8: 1,239,418 km (0.056 R)
  • M9: 1,308,233 km (0.093 R)
  • M10: 1,402,181 km (0.116 R)
  • M11: 1,584,391 km (0.07 R)
  • M12: 1,748,799 km (0.073 R)
  • M13: 1,826,740 km (0.094 R)
  • M14: 2,012,989 km (0.054 R)
  • M15: 2,177,696 km (0.033 R)
  • M16: 2,594,476 km (0.068 R)
  • M17: 2,850,288 km (0.113 R)
  • M18: 3,067,355 km (0.106 R)
  • M19: 3,146,193 km (0.09 R)
  • M20: 3,273,800 km (0.092 R)
  • M21: 3,403,052 km (0.118 R)
  • M22: 3,517,644 km (0.107 R)
  • M23: 3,633,433 km (0.11 R)
  • M24: 3,971,674 km (0.105 R)
  • M25: 4,075,046 km (0.109 R)
  • M26: 4,569,766 km (0.112 R)
  • M27: 4,732,828 km (0.04 R)
  • M28: 4,897,834 km (0.084 R)
  • M29: 5,177,134 km (0.109 R)
  • M30: 5,252,531 km (0.076 R)
  • M31: 5,366,225 km (0.096 R)
  • M32: 5,538,412 km (0.111 R)
  • M33: 5,751,440 km (0.079 R)
  • M34: 5,849,127 km (0.112 R)
  • M35: 6,145,630 km (0.049 R)
  • M36: 6,406,529 km (0.061 R)
  • M37: 6,609,832 km (0.06 R)
  • M38: 6,712,157 km (0.111 R)
  • M39: 7,001,779 km (0.068 R)
  • M40: 7,679,158 km (0.089 R)
  • M41: 8,689,243 km (0.076 R)
  • M42: 8,936,977 km (0.074 R)
  • M43: 9,141,327 km (0.041 R)
  • M44: 9,232,732 km (0.072 R)
  • M45: 9,647,567 km (0.055 R)
  • M46: 10,856,168 km (0.099 R)
  • M47: 10,952,958 km (0.098 R)
  • M48: 11,098,666 km (0.081 R)
  • M49: 11,294,041 km (0.1 R)
  • M50: 11,737,748 km (0.081 R)
  • M51: 11,862,064 km (0.055 R)
  • M52: 12,011,662 km (0.032 R)
  • M53: 12,363,516 km (0.103 R)
  • M54: 12,464,644 km (0.106 R)
  • M55: 12,540,640 km (0.078 R)
  • M56: 12,795,106 km (0.105 R)
  • M57: 12,974,324 km (0.067 R)
  • M58: 13,465,005 km (0.11 R)
  • M59: 13,751,784 km (0.112 R)
  • M60: 14,199,082 km (0.092 R)
  • M61: 14,278,518 km (0.072 R)
  • M62: 14,411,212 km (0.063 R)
  • M63: 14,570,982 km (0.11 R)
  • M64: 14,704,723 km (0.069 R)
  • M65: 14,811,835 km (0.066 R)
  • M66: 15,026,957 km (0.114 R)
  • M67: 15,297,429 km (0.12 R)
  • M68: 15,624,002 km (0.094 R)
  • M69: 15,815,636 km (0.113 R)
  • M70: 16,118,423 km (0.069 R)
  • M71: 16,813,305 km (0.062 R)
  • M72: 17,037,851 km (0.064 R)
  • M73: 18,694,947 km (0.057 R)
  • M74: 18,782,013 km (0.119 R)
  • M75: 19,102,601 km (0.041 R)
  • M76: 19,395,514 km (0.062 R)
  • M77: 19,778,634 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 13.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.81 AU - 4.11 AU

Year: 2696 Days

Day: 15 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (71)

Outer Limit: 44,571,127 km

  • M1: 181,013 km (0.116 R)
  • M2: 287,826 km (0.068 R)
  • M3: 619,186 km (0.089 R)
  • M4: 705,952 km (0.069 R)
  • M5: 1,025,942 km (0.109 R)
  • M6: 1,186,910 km (0.062 R)
  • M7: 1,380,190 km (0.109 R)
  • M8: 1,646,325 km (0.103 R)
  • M9: 1,785,750 km (0.113 R)
  • M10: 1,969,157 km (0.118 R)
  • M11: 2,660,748 km (0.117 R)
  • M12: 2,841,163 km (0.084 R)
  • M13: 3,182,695 km (0.086 R)
  • M14: 3,390,785 km (0.103 R)
  • M15: 3,888,348 km (0.037 R)
  • M16: 4,042,284 km (0.064 R)
  • M17: 4,285,680 km (0.109 R)
  • M18: 4,480,456 km (0.036 R)
  • M19: 4,605,819 km (0.101 R)
  • M20: 5,082,139 km (0.11 R)
  • M21: 5,307,433 km (0.081 R)
  • M22: 5,478,573 km (0.059 R)
  • M23: 5,806,791 km (0.088 R)
  • M24: 6,042,408 km (0.11 R)
  • M25: 6,442,133 km (0.102 R)
  • M26: 6,665,782 km (0.079 R)
  • M27: 6,933,413 km (0.031 R)
  • M28: 7,037,233 km (0.11 R)
  • M29: 7,373,230 km (0.076 R)
  • M30: 7,521,781 km (0.085 R)
  • M31: 7,757,398 km (0.109 R)
  • M32: 7,930,333 km (0.119 R)
  • M33: 8,302,083 km (0.117 R)
  • M34: 8,390,346 km (0.103 R)
  • M35: 8,545,629 km (0.12 R)
  • M36: 8,836,447 km (0.095 R)
  • M37: 9,290,477 km (0.061 R)
  • M38: 9,382,180 km (0.069 R)
  • M39: 9,636,048 km (0.086 R)
  • M40: 9,868,822 km (0.043 R)
  • M41: 10,554,130 km (0.059 R)
  • M42: 10,794,085 km (0.114 R)
  • M43: 11,574,088 km (0.077 R)
  • M44: 11,945,988 km (0.086 R)
  • M45: 12,246,381 km (0.081 R)
  • M46: 12,549,317 km (0.1 R)
  • M47: 12,778,052 km (0.113 R)
  • M48: 13,034,014 km (0.03 R)
  • M49: 13,214,130 km (0.104 R)
  • M50: 13,343,232 km (0.072 R)
  • M51: 13,524,844 km (0.097 R)
  • M52: 13,654,994 km (0.078 R)
  • M53: 14,365,136 km (0.106 R)
  • M54: 14,577,864 km (0.062 R)
  • M55: 14,872,123 km (0.111 R)
  • M56: 15,114,322 km (0.111 R)
  • M57: 15,303,713 km (0.069 R)
  • M58: 15,575,532 km (0.079 R)
  • M59: 15,684,589 km (0.058 R)
  • M60: 16,041,230 km (0.08 R)
  • M61: 16,234,361 km (0.107 R)
  • M62: 16,986,389 km (0.105 R)
  • M63: 17,239,659 km (0.069 R)
  • M64: 17,522,548 km (0.057 R)
  • M65: 18,294,024 km (0.092 R)
  • M66: 18,466,960 km (0.057 R)
  • M67: 18,582,449 km (0.115 R)
  • M68: 18,930,713 km (0.025 R)
  • M69: 19,310,392 km (0.107 R)
  • M70: 19,486,619 km (0.081 R)
  • M71: 19,840,418 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 9.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.05 AU - 5.85 AU

Year: 4614 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (75)

Outer Limit: 44,571,127 km

  • M1: 137,630 km (0.104 R)
  • M2: 249,230 km (0.07 R)
  • M3: 310,266 km (0.106 R)
  • M4: 546,331 km (0.068 R)
  • M5: 611,855 km (0.1 R)
  • M6: 902,823 km (0.112 R)
  • M7: 1,092,214 km (0.087 R)
  • M8: 1,163,123 km (0.118 R)
  • M9: 1,235,678 km (0.093 R)
  • M10: 1,854,415 km (0.069 R)
  • M11: 2,027,051 km (0.105 R)
  • M12: 2,223,324 km (0.109 R)
  • M13: 2,351,379 km (0.104 R)
  • M14: 2,482,128 km (0.054 R)
  • M15: 2,692,313 km (0.104 R)
  • M16: 2,829,195 km (0.113 R)
  • M17: 3,109,990 km (0.111 R)
  • M18: 3,357,874 km (0.119 R)
  • M19: 4,027,923 km (0.055 R)
  • M20: 4,094,943 km (0.116 R)
  • M21: 4,298,396 km (0.083 R)
  • M22: 4,366,911 km (0.096 R)
  • M23: 5,096,650 km (0.07 R)
  • M24: 5,217,824 km (0.053 R)
  • M25: 5,340,195 km (0.089 R)
  • M26: 5,762,809 km (0.116 R)
  • M27: 6,561,512 km (0.102 R)
  • M28: 6,826,450 km (0.115 R)
  • M29: 7,068,051 km (0.087 R)
  • M30: 7,977,755 km (0.078 R)
  • M31: 8,346,215 km (0.111 R)
  • M32: 8,489,530 km (0.086 R)
  • M33: 9,395,644 km (0.063 R)
  • M34: 9,514,724 km (0.117 R)
  • M35: 9,664,471 km (0.068 R)
  • M36: 10,026,797 km (0.059 R)
  • M37: 10,087,684 km (0.097 R)
  • M38: 10,240,273 km (0.118 R)
  • M39: 10,609,780 km (0.099 R)
  • M40: 11,014,891 km (0.102 R)
  • M41: 12,163,354 km (0.091 R)
  • M42: 12,293,355 km (0.07 R)
  • M43: 13,685,662 km (0.115 R)
  • M44: 14,092,568 km (0.118 R)
  • M45: 15,022,618 km (0.11 R)
  • M46: 15,512,701 km (0.05 R)
  • M47: 15,795,142 km (0.074 R)
  • M48: 16,186,340 km (0.043 R)
  • M49: 16,329,356 km (0.116 R)
  • M50: 16,401,013 km (0.104 R)
  • M51: 16,724,743 km (0.106 R)
  • M52: 16,941,809 km (0.085 R)
  • M53: 17,196,275 km (0.077 R)
  • M54: 17,415,287 km (0.076 R)
  • M55: 17,525,241 km (0.044 R)
  • M56: 18,786,650 km (0.09 R)
  • M57: 19,276,583 km (0.073 R)
  • M58: 20,192,421 km (0.04 R)
  • M59: 21,278,652 km (0.061 R)
  • M60: 21,868,366 km (0.091 R)
  • M61: 22,463,317 km (0.116 R)
  • M62: 22,702,973 km (0.06 R)
  • M63: 23,023,561 km (0.096 R)
  • M64: 23,265,162 km (0.063 R)
  • M65: 23,710,066 km (0.065 R)
  • M66: 23,791,297 km (0.045 R)
  • M67: 24,198,652 km (0.062 R)
  • M68: 24,567,262 km (0.086 R)
  • M69: 24,649,540 km (0.098 R)
  • M70: 25,767,784 km (0.114 R)
  • M71: 26,480,319 km (0.057 R)
  • M72: 27,284,408 km (0.05 R)
  • M73: 28,354,631 km (0.063 R)
  • M74: 28,613,585 km (0.119 R)
  • M75: 29,003,437 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.69 AU - 5.85 AU

Year: 5807 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (68)

Outer Limit: 44,571,127 km

  • M1: 214,224 km (0.075 R)
  • M2: 370,853 km (0.104 R)
  • M3: 610,210 km (0.096 R)
  • M4: 1,190,201 km (0.117 R)
  • M5: 1,329,925 km (0.114 R)
  • M6: 1,446,013 km (0.106 R)
  • M7: 1,896,303 km (0.067 R)
  • M8: 2,112,322 km (0.088 R)
  • M9: 2,197,742 km (0.081 R)
  • M10: 2,336,868 km (0.11 R)
  • M11: 2,753,349 km (0.05 R)
  • M12: 3,134,973 km (0.097 R)
  • M13: 3,452,569 km (0.072 R)
  • M14: 3,594,837 km (0.036 R)
  • M15: 3,948,636 km (0.111 R)
  • M16: 4,162,112 km (0.079 R)
  • M17: 4,292,113 km (0.12 R)
  • M18: 4,600,733 km (0.11 R)
  • M19: 5,077,352 km (0.056 R)
  • M20: 5,169,953 km (0.076 R)
  • M21: 5,474,833 km (0.059 R)
  • M22: 5,641,485 km (0.083 R)
  • M23: 6,127,080 km (0.11 R)
  • M24: 6,600,856 km (0.101 R)
  • M25: 7,268,661 km (0.103 R)
  • M26: 7,478,398 km (0.067 R)
  • M27: 8,011,864 km (0.065 R)
  • M28: 8,283,234 km (0.083 R)
  • M29: 8,392,590 km (0.089 R)
  • M30: 8,695,975 km (0.083 R)
  • M31: 8,807,126 km (0.096 R)
  • M32: 8,946,850 km (0.032 R)
  • M33: 9,656,543 km (0.072 R)
  • M34: 10,237,281 km (0.114 R)
  • M35: 10,413,657 km (0.096 R)
  • M36: 10,710,011 km (0.096 R)
  • M37: 10,889,229 km (0.048 R)
  • M38: 11,646,493 km (0.052 R)
  • M39: 11,738,496 km (0.101 R)
  • M40: 12,233,366 km (0.12 R)
  • M41: 12,327,014 km (0.111 R)
  • M42: 12,640,571 km (0.119 R)
  • M43: 13,115,993 km (0.06 R)
  • M44: 13,243,750 km (0.083 R)
  • M45: 13,371,806 km (0.104 R)
  • M46: 13,564,937 km (0.039 R)
  • M47: 13,888,816 km (0.097 R)
  • M48: 14,084,340 km (0.105 R)
  • M49: 14,280,762 km (0.115 R)
  • M50: 14,577,116 km (0.062 R)
  • M51: 14,709,510 km (0.089 R)
  • M52: 14,942,135 km (0.058 R)
  • M53: 17,580,891 km (0.098 R)
  • M54: 17,792,572 km (0.052 R)
  • M55: 18,289,536 km (0.096 R)
  • M56: 18,432,402 km (0.112 R)
  • M57: 19,116,214 km (0.058 R)
  • M58: 19,661,798 km (0.055 R)
  • M59: 20,397,370 km (0.086 R)
  • M60: 21,592,957 km (0.06 R)
  • M61: 22,199,277 km (0.072 R)
  • M62: 22,542,754 km (0.097 R)
  • M63: 23,428,672 km (0.092 R)
  • M64: 23,817,327 km (0.116 R)
  • M65: 24,719,552 km (0.104 R)
  • M66: 25,393,640 km (0.06 R)
  • M67: 26,922,082 km (0.115 R)
  • M68: 27,329,287 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 8.8

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.2 AU - 7.92 AU

Year: 7859 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.2 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (87)

Outer Limit: 44,571,127 km

  • M1: 113,395 km (0.111 R)
  • M2: 183,108 km (0.102 R)
  • M3: 317,746 km (0.095 R)
  • M4: 465,100 km (0.06 R)
  • M5: 1,096,702 km (0.119 R)
  • M6: 1,172,548 km (0.076 R)
  • M7: 1,431,951 km (0.119 R)
  • M8: 2,364,095 km (0.111 R)
  • M9: 2,488,561 km (0.044 R)
  • M10: 3,116,572 km (0.107 R)
  • M11: 3,364,307 km (0.077 R)
  • M12: 3,791,708 km (0.115 R)
  • M13: 4,206,094 km (0.108 R)
  • M14: 5,402,578 km (0.098 R)
  • M15: 6,416,701 km (0.106 R)
  • M16: 6,591,432 km (0.042 R)
  • M17: 6,732,353 km (0.09 R)
  • M18: 7,088,994 km (0.096 R)
  • M19: 7,820,677 km (0.114 R)
  • M20: 8,195,570 km (0.093 R)
  • M21: 8,807,724 km (0.116 R)
  • M22: 9,158,382 km (0.096 R)
  • M23: 11,231,210 km (0.063 R)
  • M24: 11,441,993 km (0.088 R)
  • M25: 11,569,002 km (0.096 R)
  • M26: 11,867,449 km (0.085 R)
  • M27: 12,428,292 km (0.116 R)
  • M28: 12,515,358 km (0.113 R)
  • M29: 13,441,668 km (0.096 R)
  • M30: 13,980,968 km (0.106 R)
  • M31: 14,207,759 km (0.042 R)
  • M32: 14,527,300 km (0.116 R)
  • M33: 15,500,135 km (0.027 R)
  • M34: 15,781,827 km (0.069 R)
  • M35: 16,877,781 km (0.102 R)
  • M36: 17,801,698 km (0.115 R)
  • M37: 18,443,173 km (0.045 R)
  • M38: 18,592,323 km (0.11 R)
  • M39: 18,691,955 km (0.106 R)
  • M40: 18,841,702 km (0.082 R)
  • M41: 19,546,009 km (0.067 R)
  • M42: 19,647,287 km (0.045 R)
  • M43: 19,850,441 km (0.115 R)
  • M44: 21,032,264 km (0.088 R)
  • M45: 22,980,627 km (0.112 R)
  • M46: 23,624,795 km (0.094 R)
  • M47: 23,786,809 km (0.089 R)
  • M48: 24,057,582 km (0.066 R)
  • M49: 24,711,773 km (0.033 R)
  • M50: 24,985,986 km (0.057 R)
  • M51: 26,148,960 km (0.062 R)
  • M52: 26,596,557 km (0.109 R)
  • M53: 27,046,846 km (0.097 R)
  • M54: 27,386,134 km (0.113 R)
  • M55: 28,584,862 km (0.111 R)
  • M56: 28,872,688 km (0.06 R)
  • M57: 29,103,817 km (0.059 R)
  • M58: 29,567,720 km (0.087 R)
  • M59: 30,268,137 km (0.093 R)
  • M60: 30,620,291 km (0.116 R)
  • M61: 31,033,031 km (0.081 R)
  • M62: 31,625,887 km (0.063 R)
  • M63: 31,685,278 km (0.087 R)
  • M64: 31,864,047 km (0.115 R)
  • M65: 32,582,117 km (0.079 R)
  • M66: 32,882,809 km (0.12 R)
  • M67: 34,095,000 km (0.06 R)
  • M68: 34,217,072 km (0.054 R)
  • M69: 34,706,706 km (0.105 R)
  • M70: 35,013,830 km (0.109 R)
  • M71: 35,507,204 km (0.091 R)
  • M72: 35,816,722 km (0.076 R)
  • M73: 36,251,454 km (0.097 R)
  • M74: 36,438,451 km (0.089 R)
  • M75: 37,881,771 km (0.098 R)
  • M76: 38,388,310 km (0.111 R)
  • M77: 39,088,278 km (0.088 R)
  • M78: 39,664,230 km (0.097 R)
  • M79: 40,500,931 km (0.09 R)
  • M80: 40,759,585 km (0.117 R)
  • M81: 41,018,839 km (0.12 R)
  • M82: 41,734,365 km (0.066 R)
  • M83: 42,848,421 km (0.105 R)
  • M84: 42,914,244 km (0.091 R)
  • M85: 43,046,039 km (0.076 R)
  • M86: 43,442,174 km (0.118 R)
  • M87: 44,437,748 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 15,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit