🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 12.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.87 AU - 1.29 AU

Year: 725 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,158,209 km

• M1: 155,582 km (0.045 R)
• M2: 647,460 km (0.094 R)
• M3: 1,197,381 km (0.084 R)
• M4: 2,167,524 km (0.111 R)
• M5: 2,603,003 km (0.102 R)
• M6: 3,327,954 km (0.114 R)
• M7: 4,209,983 km (0.073 R)
• M8: 4,706,499 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.4

Radius: 14.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.26 AU - 1.28 AU

Year: 924 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,158,209 km

• M1: 183,257 km (0.12 R)
• M2: 769,831 km (0.089 R)
• M3: 1,366,876 km (0.054 R)
• M4: 2,014,186 km (0.049 R)
• M5: 2,742,129 km (0.107 R)
• M6: 3,444,790 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 13.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.7 AU - 1.86 AU

Year: 1533 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,158,209 km

• M1: 162,912 km (0.12 R)
• M2: 604,226 km (0.096 R)
• M3: 1,067,231 km (0.085 R)
• M4: 1,500,018 km (0.101 R)
• M5: 2,409,723 km (0.088 R)
• M6: 3,100,416 km (0.115 R)
• M7: 3,642,858 km (0.065 R)
• M8: 4,211,030 km (0.053 R)
• M9: 5,195,684 km (0.07 R)
• M10: 5,870,819 km (0.094 R)
• M11: 6,427,473 km (0.112 R)
• M12: 8,582,879 km (0.042 R)
• M13: 9,301,547 km (0.115 R)
• M14: 11,403,098 km (0.108 R)
• M15: 12,311,007 km (0.066 R)
• M16: 12,982,702 km (0.047 R)
• M17: 13,471,587 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.4

Radius: 4.5

Gravity: 33.75 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.45 AU - 12.33 AU

Year: 21624 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,158,209 km

• M1: 106,813 km (0.047 R)
• M2: 515,065 km (0.091 R)
• M3: 829,371 km (0.078 R)
• M4: 1,042,548 km (0.03 R)
• M5: 1,262,008 km (0.104 R)
• M6: 1,794,127 km (0.103 R)
• M7: 2,728,067 km (0.053 R)
• M8: 2,880,208 km (0.096 R)
• M9: 3,091,889 km (0.102 R)
• M10: 3,947,888 km (0.118 R)
• M11: 4,378,730 km (0.061 R)
• M12: 7,595,084 km (0.119 R)
• M13: 7,948,434 km (0.119 R)
• M14: 9,243,353 km (0.1 R)
• M15: 9,940,779 km (0.105 R)
• M16: 12,799,295 km (0.12 R)
• M17: 15,752,805 km (0.112 R)
• M18: 16,410,138 km (0.032 R)
• M19: 16,577,389 km (0.092 R)
• M20: 17,691,743 km (0.103 R)
• M21: 24,452,520 km (0.112 R)
• M22: 25,893,746 km (0.069 R)
• M23: 26,924,176 km (0.118 R)
• M24: 28,944,346 km (0.112 R)
• M25: 33,821,087 km (0.096 R)
• M26: 34,913,001 km (0.105 R)
• M27: 37,455,716 km (0.105 R)
• M28: 38,329,966 km (0.094 R)
• M29: 38,477,021 km (0.102 R)
• M30: 42,275,909 km (0.047 R)
• M31: 50,080,430 km (0.079 R)
• M32: 51,497,721 km (0.098 R)
• M33: 52,941,639 km (0.105 R)
• M34: 53,673,622 km (0.092 R)
• M35: 62,378,871 km (0.085 R)
• M36: 74,466,230 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.9

Radius: 7.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.03 AU - 11.33 AU

Year: 22536 Days

Day: 22.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,158,209 km

• M1: 98,585 km (0.037 R)
• M2: 1,620,295 km (0.102 R)
• M3: 2,610,932 km (0.08 R)
• M4: 2,918,355 km (0.051 R)
• M5: 3,957,911 km (0.095 R)
• M6: 4,833,956 km (0.12 R)
• M7: 5,523,752 km (0.116 R)
• M8: 5,793,926 km (0.1 R)
• M9: 12,829,513 km (0.107 R)
• M10: 16,802,534 km (0.114 R)
• M11: 17,785,092 km (0.08 R)
• M12: 20,135,275 km (0.104 R)
• M13: 25,441,661 km (0.076 R)
• M14: 27,847,195 km (0.102 R)
• M15: 32,727,377 km (0.106 R)
• M16: 33,358,979 km (0.104 R)
• M17: 37,871,150 km (0.11 R)
• M18: 38,707,551 km (0.113 R)
• M19: 41,144,052 km (0.058 R)
• M20: 58,495,759 km (0.109 R)
• M21: 62,081,920 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.4

Radius: 4.4

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.79 AU - 11.65 AU

Year: 22662 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,158,209 km

• M1: 55,351 km (0.074 R)
• M2: 228,885 km (0.086 R)
• M3: 489,335 km (0.08 R)
• M4: 816,655 km (0.103 R)
• M5: 1,447,509 km (0.109 R)
• M6: 2,541,668 km (0.033 R)
• M7: 5,522,705 km (0.114 R)
• M8: 6,684,631 km (0.045 R)
• M9: 7,795,545 km (0.087 R)
• M10: 8,104,465 km (0.092 R)
• M11: 8,856,942 km (0.102 R)
• M12: 9,713,839 km (0.044 R)
• M13: 9,951,250 km (0.12 R)
• M14: 12,684,254 km (0.097 R)
• M15: 12,896,683 km (0.1 R)
• M16: 16,627,055 km (0.112 R)
• M17: 20,625,507 km (0.113 R)
• M18: 20,919,317 km (0.088 R)
• M19: 21,415,384 km (0.088 R)
• M20: 22,845,689 km (0.116 R)
• M21: 25,443,905 km (0.056 R)
• M22: 29,700,114 km (0.072 R)
• M23: 33,053,201 km (0.116 R)
• M24: 33,455,619 km (0.111 R)
• M25: 36,937,061 km (0.073 R)
• M26: 45,595,636 km (0.087 R)
• M27: 49,162,498 km (0.056 R)
• M28: 50,038,393 km (0.101 R)
• M29: 59,574,210 km (0.109 R)
• M30: 62,388,894 km (0.036 R)
• M31: 66,136,321 km (0.114 R)
• M32: 67,848,917 km (0.111 R)
• M33: 79,947,795 km (0.085 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: 298 - 18,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit