🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.22 AU - 1.56 AU

Year: 1112 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,500,030 km

• M1: 172,935 km (0.065 R)
• M2: 653,593 km (0.091 R)
• M3: 1,542,354 km (0.082 R)
• M4: 2,098,559 km (0.12 R)
• M5: 2,559,021 km (0.114 R)
• M6: 3,073,488 km (0.109 R)
• M7: 3,562,524 km (0.082 R)
• M8: 5,311,622 km (0.091 R)
• M9: 6,043,754 km (0.065 R)
• M10: 7,499,341 km (0.071 R)
• M11: 8,535,456 km (0.108 R)
• M12: 9,088,370 km (0.071 R)
• M13: 9,633,953 km (0.086 R)
• M14: 10,460,930 km (0.078 R)
• M15: 11,648,139 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 14

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.46 AU - 1.56 AU

Year: 1259 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,500,030 km

• M1: 187,446 km (0.115 R)
• M2: 627,413 km (0.093 R)
• M3: 1,326,933 km (0.104 R)
• M4: 1,829,881 km (0.113 R)
• M5: 3,704,492 km (0.067 R)
• M6: 4,184,552 km (0.113 R)
• M7: 6,058,115 km (0.072 R)
• M8: 8,383,913 km (0.114 R)
• M9: 11,084,454 km (0.029 R)
• M10: 11,562,270 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 13

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.46 AU - 1.98 AU

Year: 1530 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,500,030 km

• M1: 162,613 km (0.083 R)
• M2: 605,123 km (0.083 R)
• M3: 1,113,158 km (0.091 R)
• M4: 1,888,524 km (0.091 R)
• M5: 2,404,636 km (0.047 R)
• M6: 2,887,538 km (0.069 R)
• M7: 3,843,917 km (0.069 R)
• M8: 4,471,331 km (0.091 R)
• M9: 5,208,100 km (0.104 R)
• M10: 5,773,131 km (0.096 R)
• M11: 6,211,752 km (0.093 R)
• M12: 7,340,319 km (0.038 R)
• M13: 9,175,137 km (0.058 R)
• M14: 11,657,713 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.9

Radius: 14.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.96 AU - 6.12 AU

Year: 7674 Days

Day: 12.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,500,030 km

• M1: 179,517 km (0.109 R)
• M2: 696,378 km (0.105 R)
• M3: 2,307,398 km (0.066 R)
• M4: 2,844,005 km (0.115 R)
• M5: 3,756,552 km (0.105 R)
• M6: 4,551,515 km (0.068 R)
• M7: 5,327,330 km (0.052 R)
• M8: 7,888,445 km (0.112 R)
• M9: 11,183,039 km (0.119 R)
• M10: 14,682,433 km (0.025 R)
• M11: 18,375,705 km (0.109 R)
• M12: 22,173,396 km (0.1 R)
• M13: 23,547,752 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.2

Radius: 6.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.79 AU - 7.71 AU

Year: 10598 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,500,030 km

• M1: 77,342 km (0.09 R)
• M2: 282,890 km (0.055 R)
• M3: 614,548 km (0.045 R)
• M4: 948,002 km (0.056 R)
• M5: 1,949,111 km (0.079 R)
• M6: 2,565,155 km (0.073 R)
• M7: 4,799,100 km (0.045 R)
• M8: 5,219,619 km (0.109 R)
• M9: 5,513,430 km (0.045 R)
• M10: 8,394,535 km (0.12 R)
• M11: 8,594,846 km (0.093 R)
• M12: 13,685,512 km (0.079 R)
• M13: 15,468,420 km (0.119 R)
• M14: 16,136,674 km (0.099 R)
• M15: 20,628,200 km (0.06 R)
• M16: 21,066,971 km (0.097 R)
• M17: 21,437,375 km (0.05 R)
• M18: 22,115,053 km (0.119 R)
• M19: 24,969,081 km (0.101 R)
• M20: 27,176,697 km (0.097 R)
• M21: 27,792,442 km (0.074 R)
• M22: 32,073,335 km (0.11 R)
• M23: 32,662,152 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 4.3

Gravity: 48.99 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.45 AU - 11.55 AU

Year: 21448 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,500,030 km

• M1: 53,556 km (0.029 R)
• M2: 320,139 km (0.072 R)
• M3: 506,239 km (0.095 R)
• M4: 829,071 km (0.109 R)
• M5: 1,371,214 km (0.116 R)
• M6: 1,774,680 km (0.098 R)
• M7: 2,186,223 km (0.07 R)
• M8: 2,344,348 km (0.085 R)
• M9: 3,027,711 km (0.105 R)
• M10: 3,644,354 km (0.073 R)
• M11: 3,802,778 km (0.037 R)
• M12: 4,032,261 km (0.115 R)
• M13: 7,054,736 km (0.072 R)
• M14: 8,345,018 km (0.092 R)
• M15: 8,509,725 km (0.098 R)
• M16: 8,676,677 km (0.09 R)
• M17: 9,784,898 km (0.05 R)
• M18: 10,788,699 km (0.093 R)
• M19: 11,116,019 km (0.055 R)
• M20: 11,382,603 km (0.117 R)
• M21: 17,203,755 km (0.047 R)
• M22: 28,283,721 km (0.095 R)
• M23: 33,653,986 km (0.105 R)
• M24: 38,138,182 km (0.081 R)
• M25: 43,331,921 km (0.086 R)
• M26: 47,741,468 km (0.055 R)
• M27: 52,254,536 km (0.102 R)
• M28: 58,635,783 km (0.1 R)
• M29: 65,950,670 km (0.065 R)
• M30: 75,264,933 km (0.102 R)
• M31: 76,218,021 km (0.034 R)
• M32: 81,104,186 km (0.205 R)
• M33: 82,357,517 km (0.172 R)
• M34: 86,715,303 km (0.065 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: 204 - 19,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit