🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 45.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 9.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.03 AU - 1.05 AU

Year: 685 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 47,913,058 km

• M1: 120,875 km (0.083 R)
• M2: 203,752 km (0.041 R)
• M3: 338,241 km (0.066 R)
• M4: 419,921 km (0.113 R)
• M5: 528,679 km (0.037 R)
• M6: 722,259 km (0.108 R)
• M7: 833,709 km (0.097 R)
• M8: 963,410 km (0.089 R)
• M9: 1,210,396 km (0.119 R)
• M10: 1,297,313 km (0.104 R)
• M11: 1,435,242 km (0.068 R)
• M12: 1,592,769 km (0.106 R)
• M13: 1,673,701 km (0.07 R)
• M14: 1,809,386 km (0.116 R)
• M15: 1,886,280 km (0.073 R)
• M16: 2,011,643 km (0.05 R)
• M17: 2,107,684 km (0.114 R)
• M18: 2,188,766 km (0.045 R)
• M19: 2,455,649 km (0.105 R)
• M20: 2,601,657 km (0.087 R)
• M21: 2,777,284 km (0.117 R)
• M22: 2,857,619 km (0.111 R)
• M23: 2,993,154 km (0.113 R)
• M24: 3,205,284 km (0.086 R)
• M25: 3,289,657 km (0.111 R)
• M26: 3,441,499 km (0.044 R)
• M27: 3,508,668 km (0.052 R)
• M28: 3,722,743 km (0.078 R)
• M29: 3,811,604 km (0.115 R)
• M30: 3,961,202 km (0.091 R)
• M31: 4,255,910 km (0.06 R)
• M32: 4,338,488 km (0.109 R)
• M33: 4,452,930 km (0.076 R)
• M34: 4,600,135 km (0.116 R)
• M35: 4,663,714 km (0.095 R)
• M36: 4,813,162 km (0.119 R)
• M37: 5,062,093 km (0.073 R)
• M38: 5,127,766 km (0.069 R)
• M39: 5,260,011 km (0.086 R)
• M40: 5,426,812 km (0.12 R)
• M41: 5,561,600 km (0.118 R)
• M42: 5,629,368 km (0.097 R)
• M43: 5,765,801 km (0.08 R)
• M44: 5,926,320 km (0.116 R)
• M45: 6,007,102 km (0.118 R)
• M46: 6,240,176 km (0.095 R)
• M47: 6,381,396 km (0.105 R)
• M48: 6,499,878 km (0.078 R)
• M49: 6,787,405 km (0.045 R)
• M50: 6,944,782 km (0.083 R)
• M51: 7,078,971 km (0.055 R)
• M52: 7,201,791 km (0.111 R)
• M53: 7,561,724 km (0.117 R)
• M54: 7,737,651 km (0.042 R)
• M55: 8,157,572 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 10.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.36 AU - 2.24 AU

Year: 1559 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 47,913,058 km

• M1: 151,094 km (0.1 R)
• M2: 511,326 km (0.058 R)
• M3: 593,754 km (0.104 R)
• M4: 695,481 km (0.03 R)
• M5: 941,569 km (0.113 R)
• M6: 1,394,851 km (0.088 R)
• M7: 1,768,845 km (0.061 R)
• M8: 1,849,478 km (0.042 R)
• M9: 1,921,136 km (0.059 R)
• M10: 2,077,914 km (0.084 R)
• M11: 2,293,635 km (0.069 R)
• M12: 2,539,424 km (0.087 R)
• M13: 2,630,978 km (0.104 R)
• M14: 2,712,060 km (0.115 R)
• M15: 2,936,307 km (0.11 R)
• M16: 3,020,531 km (0.078 R)
• M17: 3,290,555 km (0.106 R)
• M18: 3,441,200 km (0.093 R)
• M19: 3,619,820 km (0.098 R)
• M20: 3,788,566 km (0.06 R)
• M21: 3,946,541 km (0.114 R)
• M22: 4,187,693 km (0.107 R)
• M23: 4,310,214 km (0.111 R)
• M24: 4,406,256 km (0.115 R)
• M25: 4,516,958 km (0.086 R)
• M26: 4,997,766 km (0.053 R)
• M27: 5,113,255 km (0.118 R)
• M28: 5,302,945 km (0.092 R)
• M29: 5,480,069 km (0.109 R)
• M30: 5,749,495 km (0.066 R)
• M31: 5,855,560 km (0.058 R)
• M32: 6,161,936 km (0.069 R)
• M33: 6,442,133 km (0.088 R)
• M34: 7,063,862 km (0.073 R)
• M35: 7,177,407 km (0.039 R)
• M36: 7,291,699 km (0.058 R)
• M37: 7,505,475 km (0.098 R)
• M38: 7,989,873 km (0.074 R)
• M39: 8,518,851 km (0.066 R)
• M40: 8,657,229 km (0.111 R)
• M41: 8,726,642 km (0.09 R)
• M42: 9,041,546 km (0.112 R)
• M43: 9,395,943 km (0.074 R)
• M44: 9,736,727 km (0.12 R)
• M45: 9,808,983 km (0.08 R)
• M46: 10,523,163 km (0.114 R)
• M47: 10,597,364 km (0.078 R)
• M48: 10,708,964 km (0.118 R)
• M49: 10,802,313 km (0.117 R)
• M50: 11,329,944 km (0.115 R)
• M51: 11,425,089 km (0.084 R)
• M52: 11,577,828 km (0.09 R)
• M53: 11,808,209 km (0.063 R)
• M54: 11,885,252 km (0.063 R)
• M55: 12,195,518 km (0.104 R)
• M56: 12,982,702 km (0.071 R)
• M57: 13,142,173 km (0.052 R)
• M58: 13,282,197 km (0.071 R)
• M59: 13,503,302 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.58 AU - 5.38 AU

Year: 6123 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 47,913,058 km

• M1: 210,035 km (0.104 R)
• M2: 305,180 km (0.093 R)
• M3: 472,280 km (0.114 R)
• M4: 597,494 km (0.048 R)
• M5: 683,363 km (0.1 R)
• M6: 1,070,522 km (0.034 R)
• M7: 1,401,732 km (0.039 R)
• M8: 1,605,185 km (0.082 R)
• M9: 1,728,304 km (0.086 R)
• M10: 2,552,738 km (0.048 R)
• M11: 2,655,661 km (0.094 R)
• M12: 2,739,137 km (0.101 R)
• M13: 2,951,416 km (0.105 R)
• M14: 3,235,652 km (0.055 R)
• M15: 3,597,679 km (0.066 R)
• M16: 3,854,090 km (0.09 R)
• M17: 3,924,999 km (0.028 R)
• M18: 4,044,229 km (0.113 R)
• M19: 4,434,081 km (0.061 R)
• M20: 4,583,380 km (0.091 R)
• M21: 4,683,909 km (0.037 R)
• M22: 4,759,755 km (0.115 R)
• M23: 5,594,212 km (0.084 R)
• M24: 5,864,237 km (0.116 R)
• M25: 6,138,599 km (0.115 R)
• M26: 6,529,648 km (0.034 R)
• M27: 7,218,995 km (0.11 R)
• M28: 7,394,922 km (0.119 R)
• M29: 7,691,425 km (0.067 R)
• M30: 8,052,255 km (0.088 R)
• M31: 8,204,246 km (0.084 R)
• M32: 8,418,770 km (0.11 R)
• M33: 8,542,038 km (0.057 R)
• M34: 8,666,055 km (0.054 R)
• M35: 9,938,385 km (0.118 R)
• M36: 10,529,895 km (0.081 R)
• M37: 10,762,968 km (0.103 R)
• M38: 11,031,497 km (0.099 R)
• M39: 11,166,583 km (0.053 R)
• M40: 11,336,227 km (0.118 R)
• M41: 11,438,403 km (0.046 R)
• M42: 11,678,059 km (0.066 R)
• M43: 11,746,874 km (0.119 R)
• M44: 12,058,037 km (0.033 R)
• M45: 13,007,834 km (0.107 R)
• M46: 13,079,043 km (0.1 R)
• M47: 13,293,865 km (0.107 R)
• M48: 13,401,576 km (0.055 R)
• M49: 13,835,709 km (0.089 R)
• M50: 14,164,375 km (0.097 R)
• M51: 14,311,280 km (0.082 R)
• M52: 15,315,980 km (0.091 R)
• M53: 15,542,321 km (0.091 R)
• M54: 15,618,018 km (0.1 R)
• M55: 15,731,862 km (0.046 R)
• M56: 16,304,822 km (0.116 R)
• M57: 16,458,907 km (0.055 R)
• M58: 16,884,812 km (0.093 R)
• M59: 18,304,047 km (0.093 R)
• M60: 18,745,212 km (0.115 R)
• M61: 19,027,802 km (0.12 R)
• M62: 19,189,966 km (0.097 R)
• M63: 19,597,321 km (0.069 R)
• M64: 20,172,375 km (0.104 R)
• M65: 20,503,585 km (0.098 R)
• M66: 21,045,428 km (0.108 R)
• M67: 21,761,254 km (0.048 R)
• M68: 22,228,598 km (0.043 R)
• M69: 22,613,513 km (0.112 R)
• M70: 22,742,317 km (0.087 R)
• M71: 24,131,184 km (0.094 R)
• M72: 24,658,965 km (0.082 R)
• M73: 24,747,377 km (0.048 R)
• M74: 24,880,071 km (0.119 R)
• M75: 26,040,352 km (0.072 R)
• M76: 26,220,318 km (0.027 R)
• M77: 28,043,617 km (0.108 R)
• M78: 28,181,995 km (0.059 R)
• M79: 28,366,898 km (0.086 R)
• M80: 31,044,849 km (0.106 R)
• M81: 31,955,302 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 9.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.21 AU - 6.19 AU

Year: 7656 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 47,913,058 km

• M1: 131,347 km (0.047 R)
• M2: 222,751 km (0.075 R)
• M3: 297,700 km (0.093 R)
• M4: 482,154 km (0.082 R)
• M5: 732,880 km (0.047 R)
• M6: 1,397,095 km (0.063 R)
• M7: 1,530,685 km (0.114 R)
• M8: 1,732,942 km (0.102 R)
• M9: 1,824,196 km (0.117 R)
• M10: 2,025,106 km (0.048 R)
• M11: 2,716,398 km (0.066 R)
• M12: 2,823,061 km (0.093 R)
• M13: 2,931,071 km (0.105 R)
• M14: 3,009,012 km (0.061 R)
• M15: 3,231,314 km (0.113 R)
• M16: 3,409,635 km (0.116 R)
• M17: 3,508,369 km (0.081 R)
• M18: 3,608,001 km (0.082 R)
• M19: 3,691,776 km (0.066 R)
• M20: 3,759,245 km (0.111 R)
• M21: 4,033,458 km (0.093 R)
• M22: 4,601,182 km (0.061 R)
• M23: 4,692,137 km (0.107 R)
• M24: 4,987,443 km (0.089 R)
• M25: 5,654,500 km (0.091 R)
• M26: 5,791,233 km (0.113 R)
• M27: 5,850,174 km (0.082 R)
• M28: 6,450,959 km (0.066 R)
• M29: 6,758,682 km (0.102 R)
• M30: 6,945,530 km (0.085 R)
• M31: 7,029,305 km (0.053 R)
• M32: 7,134,322 km (0.112 R)
• M33: 7,239,789 km (0.047 R)
• M34: 7,602,713 km (0.054 R)
• M35: 7,688,882 km (0.109 R)
• M36: 7,840,574 km (0.086 R)
• M37: 8,213,222 km (0.116 R)
• M38: 8,613,995 km (0.118 R)
• M39: 8,681,464 km (0.1 R)
• M40: 8,794,111 km (0.051 R)
• M41: 8,975,573 km (0.11 R)
• M42: 9,181,270 km (0.118 R)
• M43: 9,481,064 km (0.094 R)
• M44: 9,830,974 km (0.084 R)
• M45: 9,924,921 km (0.065 R)
• M46: 10,090,227 km (0.116 R)
• M47: 10,567,444 km (0.108 R)
• M48: 11,027,757 km (0.12 R)
• M49: 11,942,697 km (0.109 R)
• M50: 12,447,440 km (0.111 R)
• M51: 12,600,180 km (0.119 R)
• M52: 12,856,291 km (0.12 R)
• M53: 13,792,176 km (0.032 R)
• M54: 13,950,301 km (0.064 R)
• M55: 14,029,588 km (0.119 R)
• M56: 14,428,266 km (0.087 R)
• M57: 14,562,006 km (0.116 R)
• M58: 14,803,756 km (0.06 R)
• M59: 15,701,643 km (0.08 R)
• M60: 15,866,799 km (0.097 R)
• M61: 16,170,931 km (0.096 R)
• M62: 16,589,057 km (0.1 R)
• M63: 16,729,081 km (0.091 R)
• M64: 17,180,268 km (0.027 R)
• M65: 17,692,491 km (0.101 R)
• M66: 17,778,361 km (0.108 R)
• M67: 18,123,184 km (0.056 R)
• M68: 18,441,229 km (0.088 R)
• M69: 18,965,569 km (0.086 R)
• M70: 19,259,080 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717

Radius: 3.8

Gravity: 49.65 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.44 AU - 7.42 AU

Year: 11779 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 47,913,058 km

• M1: 101,427 km (0.103 R)
• M2: 387,309 km (0.117 R)
• M3: 582,385 km (0.107 R)
• M4: 708,944 km (0.057 R)
• M5: 746,793 km (0.084 R)
• M6: 946,057 km (0.075 R)
• M7: 2,080,158 km (0.069 R)
• M8: 2,273,588 km (0.12 R)
• M9: 2,618,711 km (0.103 R)
• M10: 3,010,807 km (0.117 R)
• M11: 3,421,154 km (0.094 R)
• M12: 3,781,834 km (0.095 R)
• M13: 3,983,642 km (0.046 R)
• M14: 4,085,967 km (0.106 R)
• M15: 4,120,225 km (0.087 R)
• M16: 5,567,584 km (0.119 R)
• M17: 5,681,877 km (0.115 R)
• M18: 5,796,917 km (0.083 R)
• M19: 6,029,542 km (0.102 R)
• M20: 7,656,120 km (0.037 R)
• M21: 7,868,399 km (0.073 R)
• M22: 8,168,941 km (0.065 R)
• M23: 8,473,223 km (0.051 R)
• M24: 8,648,851 km (0.077 R)
• M25: 8,692,833 km (0.113 R)
• M26: 9,092,858 km (0.064 R)
• M27: 10,049,387 km (0.048 R)
• M28: 10,328,536 km (0.095 R)
• M29: 11,957,657 km (0.119 R)
• M30: 12,006,725 km (0.046 R)
• M31: 12,253,412 km (0.117 R)
• M32: 12,451,779 km (0.032 R)
• M33: 12,601,377 km (0.11 R)
• M34: 12,851,953 km (0.034 R)
• M35: 14,025,698 km (0.11 R)
• M36: 14,389,670 km (0.09 R)
• M37: 14,598,957 km (0.077 R)
• M38: 14,704,124 km (0.095 R)
• M39: 15,339,766 km (0.102 R)
• M40: 16,692,579 km (0.033 R)
• M41: 16,747,482 km (0.119 R)
• M42: 17,801,997 km (0.11 R)
• M43: 18,195,888 km (0.119 R)
• M44: 18,308,984 km (0.079 R)
• M45: 18,365,682 km (0.101 R)
• M46: 19,626,044 km (0.116 R)
• M47: 20,501,341 km (0.106 R)
• M48: 20,914,231 km (0.025 R)
• M49: 22,108,621 km (0.117 R)
• M50: 22,410,808 km (0.098 R)
• M51: 23,141,295 km (0.097 R)
• M52: 24,500,690 km (0.045 R)
• M53: 24,813,350 km (0.1 R)
• M54: 26,780,562 km (0.091 R)
• M55: 27,815,330 km (0.086 R)
• M56: 29,127,005 km (0.029 R)
• M57: 29,723,900 km (0.051 R)
• M58: 30,458,725 km (0.084 R)
• M59: 30,727,552 km (0.109 R)
• M60: 30,794,871 km (0.072 R)
• M61: 32,151,275 km (0.117 R)
• M62: 32,424,890 km (0.094 R)
• M63: 33,665,654 km (0.085 R)
• M64: 34,222,009 km (0.107 R)
• M65: 34,571,320 km (0.111 R)
• M66: 35,909,473 km (0.1 R)
• M67: 35,980,382 km (0.118 R)
• M68: 37,049,409 km (0.117 R)
• M69: 37,840,033 km (0.101 R)
• M70: 39,145,574 km (0.052 R)
• M71: 39,950,710 km (0.065 R)
• M72: 41,057,435 km (0.085 R)
• M73: 41,428,587 km (0.104 R)
• M74: 42,323,781 km (0.065 R)
• M75: 42,849,019 km (0.114 R)
• M76: 42,924,267 km (0.03 R)
• M77: 43,451,898 km (0.08 R)
• M78: 44,665,885 km (0.111 R)
• M79: 45,047,659 km (0.069 R)
• M80: 45,124,103 km (0.096 R)
• M81: 45,353,736 km (0.076 R)
• M82: 45,430,330 km (0.086 R)
• M83: 45,660,561 km (0.048 R)
• M84: 45,737,305 km (0.103 R)
• M85: 46,045,028 km (0.118 R)
• M86: 46,817,252 km (0.074 R)
• M87: 47,438,083 km (0.095 R)
• M88: 47,905,427 km (0.055 R)
• M89: 48,374,416 km (0.091 R)
• M90: 48,609,435 km (0.111 R)
• M91: 49,553,397 km (0.039 R)
• M92: 50,503,344 km (0.087 R)
• M93: 51,779,413 km (0.086 R)
• M94: 52,421,338 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.2

Radius: 6.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.77 AU - 11.27 AU

Year: 18966 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 47,913,058 km

• M1: 211,232 km (0.118 R)
• M2: 547,827 km (0.086 R)
• M3: 1,454,540 km (0.085 R)
• M4: 1,773,782 km (0.108 R)
• M5: 1,821,055 km (0.099 R)
• M6: 1,965,866 km (0.106 R)
• M7: 2,799,575 km (0.06 R)
• M8: 3,790,062 km (0.072 R)
• M9: 4,069,062 km (0.115 R)
• M10: 5,352,462 km (0.115 R)
• M11: 5,560,254 km (0.104 R)
• M12: 5,841,498 km (0.079 R)
• M13: 5,948,161 km (0.104 R)
• M14: 6,824,505 km (0.1 R)
• M15: 6,899,454 km (0.084 R)
• M16: 7,087,648 km (0.069 R)
• M17: 8,093,993 km (0.105 R)
• M18: 9,434,390 km (0.072 R)
• M19: 10,108,777 km (0.117 R)
• M20: 10,581,357 km (0.101 R)
• M21: 11,592,638 km (0.074 R)
• M22: 13,003,795 km (0.079 R)
• M23: 14,276,424 km (0.111 R)
• M24: 14,324,295 km (0.035 R)
• M25: 15,637,615 km (0.053 R)
• M26: 15,984,233 km (0.081 R)
• M27: 16,133,682 km (0.078 R)
• M28: 16,836,941 km (0.025 R)
• M29: 17,396,437 km (0.084 R)
• M30: 17,601,386 km (0.086 R)
• M31: 17,652,698 km (0.042 R)
• M32: 18,429,261 km (0.12 R)
• M33: 19,005,811 km (0.053 R)
• M34: 19,588,196 km (0.057 R)
• M35: 19,961,891 km (0.073 R)
• M36: 20,337,980 km (0.037 R)
• M37: 20,608,004 km (0.042 R)
• M38: 20,879,225 km (0.05 R)
• M39: 21,425,257 km (0.078 R)
• M40: 22,698,784 km (0.115 R)
• M41: 23,035,080 km (0.1 R)
• M42: 24,339,274 km (0.1 R)
• M43: 24,453,717 km (0.11 R)
• M44: 25,492,674 km (0.045 R)
• M45: 26,545,993 km (0.11 R)
• M46: 26,663,876 km (0.072 R)
• M47: 26,841,000 km (0.069 R)
• M48: 27,077,963 km (0.076 R)
• M49: 27,732,902 km (0.081 R)
• M50: 32,146,638 km (0.049 R)
• M51: 32,209,469 km (0.091 R)
• M52: 33,474,468 km (0.115 R)
• M53: 33,601,776 km (0.112 R)
• M54: 34,691,148 km (0.038 R)
• M55: 35,337,411 km (0.086 R)
• M56: 36,379,509 km (0.111 R)
• M57: 36,904,448 km (0.109 R)
• M58: 36,970,271 km (0.115 R)
• M59: 37,101,918 km (0.119 R)
• M60: 37,497,903 km (0.103 R)
• M61: 37,630,148 km (0.099 R)
• M62: 38,160,921 km (0.103 R)
• M63: 40,105,843 km (0.118 R)
• M64: 42,909,905 km (0.059 R)
• M65: 46,556,204 km (0.104 R)
• M66: 47,554,770 km (0.059 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: 412 - 14,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit