🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 12.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 560 Days

Day: 9.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,719,191 km

• M1: 154,235 km (0.11 R)
• M2: 814,560 km (0.043 R)
• M3: 1,360,443 km (0.039 R)
• M4: 1,780,813 km (0.098 R)
• M5: 2,328,042 km (0.09 R)
• M6: 2,916,111 km (0.073 R)
• M7: 3,765,079 km (0.113 R)
• M8: 4,611,205 km (0.11 R)
• M9: 6,950,616 km (0.053 R)
• M10: 7,647,294 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 8.3

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.91 AU - 1.01 AU

Year: 638 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,719,191 km

• M1: 103,223 km (0.114 R)
• M2: 613,052 km (0.072 R)
• M3: 905,067 km (0.044 R)
• M4: 1,174,194 km (0.088 R)
• M5: 1,550,881 km (0.111 R)
• M6: 1,898,247 km (0.072 R)
• M7: 2,287,052 km (0.072 R)
• M8: 2,671,668 km (0.118 R)
• M9: 3,753,111 km (0.092 R)
• M10: 4,181,859 km (0.069 R)
• M11: 4,480,157 km (0.095 R)
• M12: 4,980,263 km (0.104 R)
• M13: 5,628,919 km (0.115 R)
• M14: 6,517,381 km (0.106 R)
• M15: 6,855,023 km (0.057 R)
• M16: 7,137,763 km (0.108 R)
• M17: 8,057,192 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.9

Radius: 14

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.66 AU - 1.84 AU

Year: 1570 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,719,191 km

• M1: 174,282 km (0.109 R)
• M2: 813,364 km (0.109 R)
• M3: 1,744,610 km (0.102 R)
• M4: 2,516,685 km (0.095 R)
• M5: 3,392,431 km (0.098 R)
• M6: 5,191,345 km (0.103 R)
• M7: 5,686,065 km (0.091 R)
• M8: 6,454,251 km (0.047 R)
• M9: 7,290,503 km (0.05 R)
• M10: 9,236,173 km (0.108 R)
• M11: 10,329,583 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 10.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.67 AU - 1.99 AU

Year: 1679 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,719,191 km

• M1: 134,040 km (0.111 R)
• M2: 638,035 km (0.106 R)
• M3: 1,023,997 km (0.046 R)
• M4: 1,401,582 km (0.079 R)
• M5: 1,955,394 km (0.092 R)
• M6: 2,639,206 km (0.105 R)
• M7: 3,024,719 km (0.114 R)
• M8: 3,645,401 km (0.111 R)
• M9: 4,157,175 km (0.082 R)
• M10: 4,890,205 km (0.115 R)
• M11: 5,325,086 km (0.117 R)
• M12: 5,925,123 km (0.069 R)
• M13: 6,314,825 km (0.063 R)
• M14: 6,656,208 km (0.1 R)
• M15: 7,168,580 km (0.083 R)
• M16: 7,659,261 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 14.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.21 AU - 5.21 AU

Year: 6933 Days

Day: 11.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,719,191 km

• M1: 181,612 km (0.073 R)
• M2: 689,945 km (0.091 R)
• M3: 1,231,938 km (0.099 R)
• M4: 1,955,992 km (0.085 R)
• M5: 2,417,801 km (0.101 R)
• M6: 3,792,605 km (0.044 R)
• M7: 4,921,471 km (0.118 R)
• M8: 5,417,088 km (0.03 R)
• M9: 5,998,276 km (0.11 R)
• M10: 8,923,064 km (0.093 R)
• M11: 9,809,581 km (0.091 R)
• M12: 10,521,966 km (0.078 R)
• M13: 12,347,659 km (0.106 R)
• M14: 13,000,803 km (0.066 R)
• M15: 13,953,891 km (0.117 R)
• M16: 17,094,249 km (0.119 R)
• M17: 17,632,951 km (0.102 R)
• M18: 18,744,164 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.2

Radius: 8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.91 AU - 6.51 AU

Year: 10496 Days

Day: 20.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,719,191 km

• M1: 99,483 km (0.059 R)
• M2: 816,804 km (0.082 R)
• M3: 2,257,581 km (0.116 R)
• M4: 2,530,149 km (0.092 R)
• M5: 2,906,986 km (0.106 R)
• M6: 3,208,276 km (0.094 R)
• M7: 5,477,975 km (0.094 R)
• M8: 7,054,437 km (0.096 R)
• M9: 11,387,390 km (0.088 R)
• M10: 11,813,295 km (0.05 R)
• M11: 13,213,082 km (0.051 R)
• M12: 15,677,558 km (0.116 R)
• M13: 16,271,461 km (0.111 R)
• M14: 22,393,455 km (0.113 R)
• M15: 23,744,324 km (0.088 R)
• M16: 27,929,474 km (0.066 R)
• M17: 28,218,347 km (0.088 R)
• M18: 28,704,241 km (0.107 R)
• M19: 29,792,865 km (0.06 R)
• M20: 31,425,127 km (0.034 R)
• M21: 33,765,586 km (0.103 R)
• M22: 37,025,174 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.3

Radius: 7.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.27 AU - 10.75 AU

Year: 23110 Days

Day: 18.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,719,191 km

• M1: 99,632 km (0.06 R)
• M2: 787,932 km (0.086 R)
• M3: 1,601,146 km (0.107 R)
• M4: 2,167,972 km (0.097 R)
• M5: 2,777,883 km (0.04 R)
• M6: 4,620,629 km (0.104 R)
• M7: 5,592,567 km (0.093 R)
• M8: 5,829,679 km (0.107 R)
• M9: 10,757,134 km (0.11 R)
• M10: 11,719,647 km (0.076 R)
• M11: 16,630,346 km (0.074 R)
• M12: 39,459,281 km (0.119 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: 493 - 12,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit