🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 12

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.3 AU - 2.38 AU

Year: 2387 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,605,182 km

• M1: 149,299 km (0.119 R)
• M2: 655,089 km (0.107 R)
• M3: 1,041,351 km (0.103 R)
• M4: 1,445,863 km (0.108 R)
• M5: 1,850,526 km (0.116 R)
• M6: 2,359,308 km (0.115 R)
• M7: 2,769,954 km (0.061 R)
• M8: 3,624,308 km (0.11 R)
• M9: 4,113,493 km (0.103 R)
• M10: 4,602,229 km (0.11 R)
• M11: 5,545,294 km (0.051 R)
• M12: 7,285,865 km (0.049 R)
• M13: 8,297,895 km (0.091 R)
• M14: 9,876,751 km (0.111 R)
• M15: 11,196,204 km (0.094 R)
• M16: 11,730,717 km (0.074 R)
• M17: 12,325,219 km (0.1 R)
• M18: 14,808,693 km (0.095 R)
• M19: 15,705,981 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 14.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.65 AU - 2.71 AU

Year: 2926 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,605,182 km

• M1: 185,352 km (0.086 R)
• M2: 731,234 km (0.105 R)
• M3: 1,251,536 km (0.111 R)
• M4: 1,882,390 km (0.044 R)
• M5: 2,398,802 km (0.058 R)
• M6: 3,231,464 km (0.105 R)
• M7: 4,042,882 km (0.077 R)
• M8: 7,561,574 km (0.115 R)
• M9: 8,141,116 km (0.093 R)
• M10: 8,959,865 km (0.101 R)
• M11: 12,221,847 km (0.073 R)
• M12: 13,342,634 km (0.113 R)
• M13: 14,975,495 km (0.056 R)
• M14: 15,996,351 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 11.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.7 AU - 2.84 AU

Year: 3074 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,605,182 km

• M1: 144,212 km (0.036 R)
• M2: 571,314 km (0.118 R)
• M3: 1,211,743 km (0.084 R)
• M4: 1,629,270 km (0.104 R)
• M5: 2,469,861 km (0.054 R)
• M6: 3,207,378 km (0.112 R)
• M7: 4,617,039 km (0.065 R)
• M8: 5,473,487 km (0.091 R)
• M9: 6,403,986 km (0.081 R)
• M10: 7,060,272 km (0.11 R)
• M11: 7,630,239 km (0.099 R)
• M12: 8,507,332 km (0.083 R)
• M13: 9,488,245 km (0.109 R)
• M14: 10,502,369 km (0.061 R)
• M15: 11,501,533 km (0.038 R)
• M16: 12,562,780 km (0.051 R)
• M17: 13,117,489 km (0.082 R)
• M18: 15,291,894 km (0.049 R)
• M19: 16,355,834 km (0.078 R)
• M20: 16,739,553 km (0.098 R)
• M21: 18,989,206 km (0.063 R)
• M22: 19,658,507 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 9.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.91 AU - 5.01 AU

Year: 6281 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,605,182 km

• M1: 356,492 km (0.091 R)
• M2: 667,506 km (0.074 R)
• M3: 1,159,683 km (0.085 R)
• M4: 1,671,008 km (0.053 R)
• M5: 4,431,538 km (0.056 R)
• M6: 7,755,902 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 11.7

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.86 AU - 6.6 AU

Year: 9147 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,605,182 km

• M1: 145,559 km (0.076 R)
• M2: 704,307 km (0.115 R)
• M3: 1,566,140 km (0.097 R)
• M4: 2,082,702 km (0.087 R)
• M5: 2,732,405 km (0.111 R)
• M6: 3,795,597 km (0.102 R)
• M7: 5,549,931 km (0.031 R)
• M8: 5,971,797 km (0.106 R)
• M9: 7,285,117 km (0.052 R)
• M10: 7,748,721 km (0.087 R)
• M11: 8,276,951 km (0.112 R)
• M12: 9,553,619 km (0.105 R)
• M13: 10,903,142 km (0.067 R)
• M14: 13,977,378 km (0.11 R)
• M15: 17,216,022 km (0.073 R)
• M16: 18,116,901 km (0.086 R)
• M17: 23,279,523 km (0.071 R)
• M18: 27,387,032 km (0.109 R)
• M19: 29,241,447 km (0.077 R)
• M20: 30,631,810 km (0.044 R)
• M21: 32,290,252 km (0.107 R)
• M22: 34,476,026 km (0.088 R)
• M23: 36,636,070 km (0.116 R)
• M24: 40,827,952 km (0.091 R)
• M25: 42,293,412 km (0.076 R)
• M26: 44,487,265 km (0.059 R)
• M27: 45,612,241 km (0.094 R)
• M28: 47,772,434 km (0.085 R)
• M29: 48,212,402 km (0.104 R)
• M30: 48,655,211 km (0.119 R)
• M31: 51,062,690 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.6

Radius: 5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.69 AU - 7.27 AU

Year: 12297 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,605,182 km

• M1: 65,075 km (0.073 R)
• M2: 429,795 km (0.058 R)
• M3: 686,505 km (0.105 R)
• M4: 953,387 km (0.045 R)
• M5: 1,214,585 km (0.115 R)
• M6: 3,827,162 km (0.114 R)
• M7: 5,791,233 km (0.1 R)
• M8: 11,601,464 km (0.071 R)
• M9: 15,563,863 km (0.066 R)
• M10: 19,067,445 km (0.103 R)
• M11: 19,866,597 km (0.104 R)
• M12: 20,343,066 km (0.099 R)
• M13: 27,330,783 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.7

Radius: 6.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.9 AU - 9.38 AU

Year: 14082 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,605,182 km

• M1: 86,019 km (0.111 R)
• M2: 405,560 km (0.077 R)
• M3: 733,628 km (0.107 R)
• M4: 1,543,102 km (0.069 R)
• M5: 1,810,583 km (0.103 R)
• M6: 2,390,574 km (0.074 R)
• M7: 3,306,861 km (0.084 R)
• M8: 3,536,494 km (0.103 R)
• M9: 4,051,410 km (0.099 R)
• M10: 5,119,239 km (0.029 R)
• M11: 5,718,379 km (0.117 R)
• M12: 6,886,289 km (0.082 R)
• M13: 8,281,140 km (0.082 R)
• M14: 9,024,791 km (0.059 R)
• M15: 9,268,635 km (0.082 R)
• M16: 9,812,124 km (0.119 R)
• M17: 10,244,462 km (0.03 R)
• M18: 14,557,967 km (0.062 R)
• M19: 16,589,805 km (0.077 R)
• M20: 17,265,539 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.4

Radius: 7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.82 AU - 12.98 AU

Year: 23998 Days

Day: 25 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,605,182 km

• M1: 87,066 km (0.041 R)
• M2: 451,636 km (0.05 R)
• M3: 1,034,768 km (0.112 R)
• M4: 1,317,359 km (0.118 R)
• M5: 1,574,069 km (0.065 R)
• M6: 2,114,416 km (0.119 R)
• M7: 2,772,049 km (0.092 R)
• M8: 4,903,818 km (0.116 R)
• M9: 5,820,255 km (0.071 R)
• M10: 7,987,330 km (0.11 R)
• M11: 12,228,130 km (0.052 R)
• M12: 13,434,936 km (0.099 R)
• M13: 14,859,108 km (0.116 R)
• M14: 16,456,065 km (0.071 R)
• M15: 18,568,387 km (0.111 R)
• M16: 24,089,596 km (0.062 R)
• M17: 25,673,837 km (0.105 R)
• M18: 26,182,919 km (0.103 R)
• M19: 29,158,420 km (0.048 R)
• M20: 29,379,227 km (0.111 R)
• M21: 33,426,148 km (0.11 R)
• M22: 36,024,514 km (0.097 R)
• M23: 36,790,904 km (0.1 R)
• M24: 47,308,531 km (0.065 R)
• M25: 52,346,988 km (0.117 R)
• M26: 53,165,288 km (0.078 R)
• M27: 57,384,846 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 14,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit