🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.1

Radius: 11

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.66 AU - 1.02 AU

Year: 505 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,167,655 km

• M1: 137,780 km (0.089 R)
• M2: 545,583 km (0.097 R)
• M3: 1,159,383 km (0.091 R)
• M4: 1,516,474 km (0.092 R)
• M5: 1,998,179 km (0.109 R)
• M6: 2,788,504 km (0.041 R)
• M7: 3,645,551 km (0.087 R)
• M8: 5,664,972 km (0.051 R)
• M9: 6,447,519 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 14.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 873 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,167,655 km

• M1: 184,005 km (0.097 R)
• M2: 671,246 km (0.11 R)
• M3: 1,238,371 km (0.119 R)
• M4: 2,491,553 km (0.079 R)
• M5: 3,258,092 km (0.057 R)
• M6: 3,848,256 km (0.03 R)
• M7: 4,647,258 km (0.117 R)
• M8: 5,170,850 km (0.099 R)
• M9: 5,875,606 km (0.092 R)
• M10: 7,099,317 km (0.088 R)
• M11: 7,624,255 km (0.06 R)
• M12: 8,914,836 km (0.088 R)
• M13: 9,413,596 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 14.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.54 AU - 1.7 AU

Year: 1353 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,167,655 km

• M1: 185,352 km (0.08 R)
• M2: 753,076 km (0.102 R)
• M3: 1,258,866 km (0.089 R)
• M4: 2,217,190 km (0.052 R)
• M5: 2,877,964 km (0.089 R)
• M6: 3,856,035 km (0.055 R)
• M7: 4,388,304 km (0.062 R)
• M8: 4,988,790 km (0.07 R)
• M9: 5,541,105 km (0.106 R)
• M10: 6,839,914 km (0.104 R)
• M11: 7,473,311 km (0.1 R)
• M12: 9,611,813 km (0.117 R)
• M13: 10,502,668 km (0.105 R)
• M14: 11,181,693 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 10.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.73 AU - 1.99 AU

Year: 1664 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,167,655 km

• M1: 125,662 km (0.052 R)
• M2: 460,163 km (0.098 R)
• M3: 797,955 km (0.081 R)
• M4: 1,270,236 km (0.105 R)
• M5: 1,590,824 km (0.119 R)
• M6: 2,020,020 km (0.092 R)
• M7: 2,681,243 km (0.051 R)
• M8: 3,355,630 km (0.066 R)
• M9: 3,859,625 km (0.095 R)
• M10: 5,081,092 km (0.078 R)
• M11: 5,591,819 km (0.105 R)
• M12: 6,841,709 km (0.115 R)
• M13: 8,355,041 km (0.055 R)
• M14: 9,128,911 km (0.092 R)
• M15: 10,512,542 km (0.033 R)
• M16: 11,096,572 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 9.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.59 AU - 3.91 AU

Year: 3844 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,167,655 km

• M1: 127,009 km (0.094 R)
• M2: 451,935 km (0.098 R)
• M3: 824,434 km (0.076 R)
• M4: 1,557,613 km (0.116 R)
• M5: 3,090,094 km (0.076 R)
• M6: 7,113,678 km (0.066 R)
• M7: 7,608,847 km (0.109 R)
• M8: 10,401,241 km (0.051 R)
• M9: 16,614,190 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 12.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.92 AU - 5.72 AU

Year: 8050 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,167,655 km

• M1: 156,031 km (0.104 R)
• M2: 559,945 km (0.075 R)
• M3: 1,071,719 km (0.101 R)
• M4: 1,577,809 km (0.057 R)
• M5: 3,025,467 km (0.03 R)
• M6: 3,643,157 km (0.112 R)
• M7: 4,450,985 km (0.078 R)
• M8: 4,926,856 km (0.081 R)
• M9: 5,467,653 km (0.113 R)
• M10: 6,182,282 km (0.076 R)
• M11: 8,534,708 km (0.085 R)
• M12: 9,406,864 km (0.084 R)
• M13: 9,958,132 km (0.112 R)
• M14: 12,545,577 km (0.115 R)
• M15: 13,615,052 km (0.043 R)
• M16: 18,507,650 km (0.092 R)
• M17: 19,743,628 km (0.099 R)
• M18: 20,725,439 km (0.049 R)
• M19: 28,530,408 km (0.083 R)
• M20: 32,093,979 km (0.065 R)
• M21: 32,715,409 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.3

Radius: 3.7

Gravity: 38.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.78 AU - 9.42 AU

Year: 13745 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,167,655 km

• M1: 46,974 km (0.096 R)
• M2: 185,202 km (0.067 R)
• M3: 366,964 km (0.119 R)
• M4: 569,070 km (0.039 R)
• M5: 739,462 km (0.112 R)
• M6: 932,892 km (0.114 R)
• M7: 1,298,809 km (0.088 R)
• M8: 1,478,326 km (0.101 R)
• M9: 1,721,572 km (0.092 R)
• M10: 2,366,489 km (0.057 R)
• M11: 3,158,609 km (0.054 R)
• M12: 3,458,104 km (0.03 R)
• M13: 3,667,990 km (0.104 R)
• M14: 5,077,202 km (0.062 R)
• M15: 6,491,650 km (0.073 R)
• M16: 6,610,281 km (0.089 R)
• M17: 7,699,952 km (0.096 R)
• M18: 9,449,200 km (0.116 R)
• M19: 11,561,821 km (0.098 R)
• M20: 12,573,851 km (0.089 R)
• M21: 14,101,095 km (0.091 R)
• M22: 22,696,391 km (0.104 R)
• M23: 24,754,259 km (0.106 R)
• M24: 26,326,832 km (0.1 R)
• M25: 27,137,503 km (0.047 R)
• M26: 28,279,084 km (0.092 R)
• M27: 28,808,511 km (0.096 R)
• M28: 30,325,732 km (0.115 R)
• M29: 35,440,035 km (0.076 R)
• M30: 36,303,214 km (0.098 R)
• M31: 42,603,529 km (0.05 R)
• M32: 47,333,365 km (0.12 R)
• M33: 48,530,447 km (0.113 R)
• M34: 52,084,294 km (0.114 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: 195 - 11,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit