🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 10

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.01 AU - 1.07 AU

Year: 719 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,172,148 km

• M1: 124,465 km (0.086 R)
• M2: 552,016 km (0.114 R)
• M3: 1,363,734 km (0.079 R)
• M4: 1,817,465 km (0.043 R)
• M5: 2,186,373 km (0.118 R)
• M6: 2,645,788 km (0.113 R)
• M7: 3,187,631 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 9.6

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.17 AU - 1.59 AU

Year: 1100 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 140.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,172,148 km

• M1: 119,379 km (0.081 R)
• M2: 428,747 km (0.081 R)
• M3: 797,057 km (0.104 R)
• M4: 1,294,919 km (0.08 R)
• M5: 1,889,720 km (0.116 R)
• M6: 3,256,596 km (0.111 R)
• M7: 3,763,134 km (0.089 R)
• M8: 4,233,470 km (0.083 R)
• M9: 4,973,082 km (0.082 R)
• M10: 5,582,544 km (0.093 R)
• M11: 6,015,929 km (0.073 R)
• M12: 6,974,851 km (0.048 R)
• M13: 8,005,431 km (0.101 R)
• M14: 9,282,697 km (0.089 R)
• M15: 9,861,043 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.4

Radius: 5.5

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.38 AU - 7.88 AU

Year: 12913 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,172,148 km

• M1: 217,665 km (0.116 R)
• M2: 517,459 km (0.112 R)
• M3: 2,005,060 km (0.113 R)
• M4: 3,972,871 km (0.118 R)
• M5: 8,920,371 km (0.12 R)
• M6: 10,212,747 km (0.09 R)
• M7: 11,829,751 km (0.105 R)
• M8: 12,141,064 km (0.1 R)
• M9: 12,834,301 km (0.101 R)
• M10: 14,124,881 km (0.039 R)
• M11: 15,254,495 km (0.098 R)
• M12: 20,303,273 km (0.1 R)
• M13: 32,807,561 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.4

Radius: 6.6

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.48 AU - 8.94 AU

Year: 17435 Days

Day: 16.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,172,148 km

• M1: 82,129 km (0.107 R)
• M2: 1,036,115 km (0.109 R)
• M3: 1,291,778 km (0.114 R)
• M4: 1,682,677 km (0.078 R)
• M5: 2,225,867 km (0.06 R)
• M6: 2,570,091 km (0.1 R)
• M7: 3,239,243 km (0.112 R)
• M8: 3,819,832 km (0.096 R)
• M9: 4,047,520 km (0.096 R)
• M10: 10,404,382 km (0.081 R)
• M11: 13,860,841 km (0.12 R)
• M12: 14,468,657 km (0.104 R)
• M13: 17,934,690 km (0.097 R)
• M14: 18,173,149 km (0.107 R)
• M15: 22,464,364 km (0.115 R)
• M16: 24,354,982 km (0.111 R)
• M17: 24,745,283 km (0.093 R)
• M18: 29,872,900 km (0.114 R)
• M19: 32,154,866 km (0.087 R)
• M20: 32,980,197 km (0.032 R)
• M21: 45,618,823 km (0.028 R)
• M22: 52,107,631 km (0.064 R)
• M23: 55,234,825 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.5

Radius: 3.5

Gravity: 35.14 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.12 AU - 10.14 AU

Year: 21868 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,172,148 km

• M1: 46,974 km (0.073 R)
• M2: 311,014 km (0.077 R)
• M3: 789,727 km (0.11 R)
• M4: 1,176,288 km (0.092 R)
• M5: 2,416,604 km (0.109 R)
• M6: 3,295,791 km (0.059 R)
• M7: 5,056,109 km (0.077 R)
• M8: 7,129,386 km (0.076 R)
• M9: 7,546,165 km (0.034 R)
• M10: 13,254,222 km (0.112 R)
• M11: 13,812,371 km (0.072 R)
• M12: 15,200,340 km (0.037 R)
• M13: 19,737,644 km (0.081 R)
• M14: 21,684,062 km (0.05 R)
• M15: 22,851,823 km (0.1 R)
• M16: 24,266,420 km (0.115 R)
• M17: 26,825,441 km (0.053 R)
• M18: 28,283,871 km (0.111 R)
• M19: 30,509,289 km (0.073 R)
• M20: 34,256,267 km (0.104 R)
• M21: 34,777,915 km (0.113 R)
• M22: 50,438,268 km (0.077 R)
• M23: 51,452,991 km (0.071 R)
• M24: 54,401,415 km (0.103 R)
• M25: 58,939,167 km (0.056 R)
• M26: 61,013,192 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 15,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit