🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 9.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 448 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,948,093 km

• M1: 119,379 km (0.039 R)
• M2: 438,471 km (0.112 R)
• M3: 874,250 km (0.111 R)
• M4: 1,216,231 km (0.043 R)
• M5: 2,053,231 km (0.088 R)
• M6: 2,408,825 km (0.086 R)
• M7: 3,834,343 km (0.104 R)
• M8: 4,594,599 km (0.113 R)
• M9: 4,987,593 km (0.115 R)
• M10: 5,535,121 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 9.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.88 AU - 1.04 AU

Year: 649 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,948,093 km

• M1: 114,742 km (0.087 R)
• M2: 516,861 km (0.085 R)
• M3: 896,540 km (0.084 R)
• M4: 1,357,152 km (0.086 R)
• M5: 1,970,204 km (0.109 R)
• M6: 2,974,903 km (0.118 R)
• M7: 3,907,796 km (0.078 R)
• M8: 5,109,066 km (0.119 R)
• M9: 5,841,348 km (0.052 R)
• M10: 6,184,226 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 9.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.38 AU - 2.02 AU

Year: 1530 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,948,093 km

• M1: 136,284 km (0.073 R)
• M2: 771,327 km (0.1 R)
• M3: 1,232,088 km (0.108 R)
• M4: 1,861,297 km (0.119 R)
• M5: 2,989,564 km (0.075 R)
• M6: 4,427,798 km (0.099 R)
• M7: 5,668,712 km (0.105 R)
• M8: 7,455,509 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.88 AU - 2.72 AU

Year: 2408 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 14,948,093 km

• M1: 170,392 km (0.114 R)
• M2: 617,390 km (0.111 R)
• M3: 1,523,056 km (0.066 R)
• M4: 2,507,859 km (0.048 R)
• M5: 3,576,735 km (0.119 R)
• M6: 4,082,077 km (0.056 R)
• M7: 4,724,600 km (0.086 R)
• M8: 6,104,940 km (0.036 R)
• M9: 6,715,448 km (0.118 R)
• M10: 7,520,285 km (0.099 R)
• M11: 7,994,660 km (0.065 R)
• M12: 8,726,792 km (0.109 R)
• M13: 12,764,289 km (0.115 R)
• M14: 13,441,219 km (0.11 R)
• M15: 14,477,334 km (0.072 R)
• M16: 15,114,172 km (0.113 R)
• M17: 17,906,267 km (0.078 R)
• M18: 19,160,495 km (0.114 R)
• M19: 20,229,522 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 14.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.51 AU - 2.95 AU

Year: 3114 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,948,093 km

• M1: 177,273 km (0.119 R)
• M2: 690,245 km (0.088 R)
• M3: 1,288,337 km (0.096 R)
• M4: 1,990,848 km (0.119 R)
• M5: 3,494,457 km (0.07 R)
• M6: 4,027,324 km (0.074 R)
• M7: 5,301,898 km (0.113 R)
• M8: 6,650,373 km (0.098 R)
• M9: 7,983,141 km (0.115 R)
• M10: 8,821,038 km (0.092 R)
• M11: 10,017,373 km (0.11 R)
• M12: 11,064,707 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 8.6

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.47 AU - 3.49 AU

Year: 3551 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 14,948,093 km

• M1: 106,962 km (0.057 R)
• M2: 401,670 km (0.11 R)
• M3: 803,041 km (0.117 R)
• M4: 1,297,911 km (0.094 R)
• M5: 1,802,804 km (0.063 R)
• M6: 2,252,046 km (0.052 R)
• M7: 2,591,783 km (0.049 R)
• M8: 3,019,184 km (0.089 R)
• M9: 3,513,156 km (0.086 R)
• M10: 4,284,932 km (0.102 R)
• M11: 4,638,282 km (0.078 R)
• M12: 5,349,769 km (0.102 R)
• M13: 9,205,056 km (0.038 R)
• M14: 9,635,150 km (0.066 R)
• M15: 10,747,709 km (0.098 R)
• M16: 14,285,400 km (0.071 R)
• M17: 16,006,523 km (0.089 R)
• M18: 19,598,667 km (0.116 R)
• M19: 24,651,934 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.7

Radius: 9.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.24 AU - 3.76 AU

Year: 4520 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,948,093 km

• M1: 121,922 km (0.039 R)
• M2: 419,921 km (0.088 R)
• M3: 977,622 km (0.107 R)
• M4: 6,783,515 km (0.08 R)
• M5: 10,155,601 km (0.079 R)
• M6: 11,256,791 km (0.091 R)
• M7: 13,116,143 km (0.098 R)
• M8: 14,075,963 km (0.119 R)
• M9: 14,507,702 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 16,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit