🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 9.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.63 AU - 1.95 AU

Year: 1597 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,695,291 km

• M1: 118,182 km (0.09 R)
• M2: 474,375 km (0.081 R)
• M3: 869,762 km (0.116 R)
• M4: 1,516,773 km (0.119 R)
• M5: 3,562,374 km (0.102 R)
• M6: 3,936,668 km (0.096 R)
• M7: 4,302,734 km (0.061 R)
• M8: 5,683,672 km (0.116 R)
• M9: 7,463,288 km (0.068 R)
• M10: 7,947,686 km (0.091 R)
• M11: 8,672,039 km (0.096 R)
• M12: 9,439,626 km (0.079 R)
• M13: 9,915,646 km (0.112 R)
• M14: 10,314,025 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 12.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.4 AU - 3.06 AU

Year: 3008 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,695,291 km

• M1: 150,495 km (0.12 R)
• M2: 633,547 km (0.097 R)
• M3: 1,298,659 km (0.041 R)
• M4: 1,853,817 km (0.083 R)
• M5: 2,821,865 km (0.094 R)
• M6: 3,297,436 km (0.112 R)
• M7: 3,744,435 km (0.093 R)
• M8: 4,690,192 km (0.105 R)
• M9: 5,309,677 km (0.057 R)
• M10: 6,413,710 km (0.091 R)
• M11: 6,989,213 km (0.116 R)
• M12: 7,665,096 km (0.09 R)
• M13: 8,742,051 km (0.03 R)
• M14: 10,196,740 km (0.084 R)
• M15: 10,855,270 km (0.117 R)
• M16: 12,394,932 km (0.109 R)
• M17: 15,686,683 km (0.092 R)
• M18: 18,539,664 km (0.088 R)
• M19: 19,396,710 km (0.09 R)
• M20: 20,796,647 km (0.077 R)
• M21: 22,331,222 km (0.11 R)
• M22: 23,512,896 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 12.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.42 AU - 3.12 AU

Year: 3074 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,695,291 km

• M1: 160,369 km (0.089 R)
• M2: 907,461 km (0.117 R)
• M3: 2,382,047 km (0.073 R)
• M4: 3,990,074 km (0.056 R)
• M5: 5,002,702 km (0.059 R)
• M6: 6,488,060 km (0.099 R)
• M7: 9,076,252 km (0.074 R)
• M8: 12,008,371 km (0.094 R)
• M9: 13,070,216 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 9.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.64 AU - 3.46 AU

Year: 3552 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,695,291 km

• M1: 119,529 km (0.103 R)
• M2: 431,739 km (0.109 R)
• M3: 839,394 km (0.115 R)
• M4: 1,492,987 km (0.098 R)
• M5: 2,645,788 km (0.1 R)
• M6: 3,245,077 km (0.106 R)
• M7: 4,988,640 km (0.08 R)
• M8: 7,200,295 km (0.09 R)
• M9: 8,034,154 km (0.118 R)
• M10: 8,521,095 km (0.106 R)
• M11: 9,722,814 km (0.105 R)
• M12: 10,311,332 km (0.078 R)
• M13: 10,777,180 km (0.088 R)
• M14: 13,916,791 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.1

Radius: 14

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.66 AU - 5.94 AU

Year: 8137 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,695,291 km

• M1: 176,675 km (0.046 R)
• M2: 3,131,083 km (0.119 R)
• M3: 4,200,559 km (0.051 R)
• M4: 7,313,092 km (0.081 R)
• M5: 8,337,987 km (0.097 R)
• M6: 8,885,216 km (0.096 R)
• M7: 11,495,699 km (0.06 R)
• M8: 16,146,996 km (0.05 R)
• M9: 21,651,001 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.7

Radius: 7.6

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.41 AU - 10.89 AU

Year: 21564 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,695,291 km

• M1: 119,529 km (0.098 R)
• M2: 472,580 km (0.105 R)
• M3: 1,002,904 km (0.09 R)
• M4: 1,882,839 km (0.067 R)
• M5: 2,162,587 km (0.081 R)
• M6: 3,065,709 km (0.082 R)
• M7: 3,484,284 km (0.093 R)
• M8: 4,004,137 km (0.086 R)
• M9: 4,367,360 km (0.097 R)
• M10: 5,470,794 km (0.068 R)
• M11: 7,507,420 km (0.089 R)
• M12: 13,726,951 km (0.103 R)
• M13: 14,630,373 km (0.091 R)
• M14: 17,753,228 km (0.1 R)
• M15: 21,294,060 km (0.11 R)
• M16: 21,994,029 km (0.077 R)
• M17: 23,757,638 km (0.073 R)
• M18: 27,446,422 km (0.112 R)
• M19: 29,734,671 km (0.106 R)
• M20: 32,408,284 km (0.059 R)
• M21: 32,802,923 km (0.111 R)
• M22: 41,076,284 km (0.117 R)
• M23: 47,190,050 km (0.101 R)
• M24: 63,412,293 km (0.116 R)
• M25: 69,331,582 km (0.083 R)
• M26: 74,460,994 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.1

Radius: 5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.11 AU - 11.45 AU

Year: 21980 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,695,291 km

• M1: 62,233 km (0.083 R)
• M2: 346,469 km (0.117 R)
• M3: 521,797 km (0.113 R)
• M4: 717,621 km (0.12 R)
• M5: 1,238,222 km (0.113 R)
• M6: 1,459,028 km (0.102 R)
• M7: 2,898,010 km (0.112 R)
• M8: 4,176,174 km (0.071 R)
• M9: 4,938,675 km (0.1 R)
• M10: 5,823,247 km (0.117 R)
• M11: 8,661,866 km (0.104 R)
• M12: 12,196,714 km (0.116 R)
• M13: 15,533,046 km (0.079 R)
• M14: 22,008,540 km (0.088 R)
• M15: 22,749,199 km (0.029 R)
• M16: 24,893,534 km (0.105 R)
• M17: 27,262,716 km (0.094 R)
• M18: 32,761,186 km (0.084 R)
• M19: 41,387,298 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 7.7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.57 AU - 12.11 AU

Year: 22172 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,695,291 km

• M1: 105,317 km (0.116 R)
• M2: 350,508 km (0.111 R)
• M3: 728,841 km (0.071 R)
• M4: 1,011,282 km (0.116 R)
• M5: 1,410,110 km (0.056 R)
• M6: 1,788,143 km (0.09 R)
• M7: 2,396,259 km (0.087 R)
• M8: 3,185,687 km (0.098 R)
• M9: 4,323,827 km (0.102 R)
• M10: 6,061,257 km (0.099 R)
• M11: 8,074,246 km (0.051 R)
• M12: 8,919,474 km (0.115 R)
• M13: 12,122,215 km (0.071 R)
• M14: 13,771,980 km (0.074 R)
• M15: 14,686,621 km (0.052 R)
• M16: 14,976,093 km (0.091 R)
• M17: 16,793,109 km (0.103 R)
• M18: 17,189,394 km (0.114 R)
• M19: 19,093,176 km (0.107 R)
• M20: 19,524,916 km (0.118 R)
• M21: 20,229,222 km (0.059 R)
• M22: 24,510,115 km (0.076 R)
• M23: 29,702,657 km (0.051 R)
• M24: 31,704,576 km (0.115 R)
• M25: 34,809,480 km (0.117 R)
• M26: 35,844,398 km (0.096 R)
• M27: 36,766,519 km (0.118 R)
• M28: 37,032,953 km (0.042 R)
• M29: 38,247,538 km (0.041 R)
• M30: 43,819,012 km (0.111 R)
• M31: 44,570,292 km (0.039 R)
• M32: 47,345,931 km (0.102 R)
• M33: 52,730,257 km (0.068 R)
• M34: 59,970,495 km (0.1 R)
• M35: 64,115,703 km (0.093 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: 165 - 14,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit