🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 12

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.79 AU - 1.31 AU

Year: 743 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,736,491 km

• M1: 149,299 km (0.118 R)
• M2: 579,393 km (0.099 R)
• M3: 1,160,281 km (0.097 R)
• M4: 1,734,438 km (0.12 R)
• M5: 2,245,763 km (0.099 R)
• M6: 2,905,939 km (0.116 R)
• M7: 3,619,072 km (0.111 R)
• M8: 4,231,825 km (0.059 R)
• M9: 4,823,783 km (0.118 R)
• M10: 5,626,226 km (0.113 R)
• M11: 6,028,794 km (0.112 R)
• M12: 6,914,862 km (0.041 R)
• M13: 7,353,932 km (0.109 R)
• M14: 8,864,422 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 10.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.83 AU - 2.15 AU

Year: 1938 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,736,491 km

• M1: 135,685 km (0.036 R)
• M2: 593,604 km (0.101 R)
• M3: 1,116,898 km (0.058 R)
• M4: 1,671,158 km (0.056 R)
• M5: 2,179,491 km (0.113 R)
• M6: 2,684,983 km (0.077 R)
• M7: 4,048,866 km (0.028 R)
• M8: 4,643,069 km (0.094 R)
• M9: 5,201,368 km (0.112 R)
• M10: 5,630,565 km (0.105 R)
• M11: 6,265,907 km (0.102 R)
• M12: 7,470,170 km (0.103 R)
• M13: 8,333,349 km (0.114 R)
• M14: 8,889,255 km (0.085 R)
• M15: 10,973,453 km (0.052 R)
• M16: 11,561,671 km (0.076 R)
• M17: 11,965,436 km (0.108 R)
• M18: 13,233,428 km (0.119 R)
• M19: 16,284,775 km (0.111 R)
• M20: 17,893,401 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.9

Radius: 11.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.51 AU - 3.91 AU

Year: 3970 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,736,491 km

• M1: 144,362 km (0.117 R)
• M2: 520,900 km (0.045 R)
• M3: 1,090,269 km (0.113 R)
• M4: 2,009,399 km (0.111 R)
• M5: 2,382,346 km (0.037 R)
• M6: 2,937,205 km (0.116 R)
• M7: 4,388,005 km (0.113 R)
• M8: 4,848,168 km (0.076 R)
• M9: 5,671,255 km (0.115 R)
• M10: 8,353,994 km (0.088 R)
• M11: 8,833,754 km (0.096 R)
• M12: 9,813,321 km (0.097 R)
• M13: 10,347,685 km (0.025 R)
• M14: 11,128,436 km (0.119 R)
• M15: 12,393,286 km (0.073 R)
• M16: 13,273,819 km (0.034 R)
• M17: 13,795,467 km (0.101 R)
• M18: 14,466,712 km (0.073 R)
• M19: 15,729,767 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.3

Radius: 7.4

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.7 AU - 9.86 AU

Year: 16446 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,736,491 km

• M1: 92,003 km (0.107 R)
• M2: 502,499 km (0.113 R)
• M3: 745,446 km (0.104 R)
• M4: 1,069,026 km (0.058 R)
• M5: 1,929,364 km (0.118 R)
• M6: 2,265,660 km (0.118 R)
• M7: 2,782,670 km (0.083 R)
• M8: 3,459,002 km (0.104 R)
• M9: 3,776,299 km (0.074 R)
• M10: 4,846,373 km (0.11 R)
• M11: 5,244,303 km (0.12 R)
• M12: 6,878,061 km (0.115 R)
• M13: 7,810,804 km (0.109 R)
• M14: 8,409,345 km (0.112 R)
• M15: 9,474,482 km (0.038 R)
• M16: 9,982,068 km (0.063 R)
• M17: 10,330,331 km (0.057 R)
• M18: 12,261,041 km (0.108 R)
• M19: 12,931,988 km (0.069 R)
• M20: 13,486,098 km (0.113 R)
• M21: 15,396,912 km (0.104 R)
• M22: 18,072,919 km (0.08 R)
• M23: 19,475,698 km (0.065 R)
• M24: 22,102,786 km (0.084 R)
• M25: 22,695,044 km (0.119 R)
• M26: 23,196,496 km (0.118 R)
• M27: 23,705,428 km (0.114 R)
• M28: 29,685,304 km (0.089 R)
• M29: 34,580,445 km (0.105 R)
• M30: 39,264,804 km (0.12 R)
• M31: 39,987,511 km (0.116 R)
• M32: 53,846,706 km (0.074 R)
• M33: 58,217,956 km (0.098 R)
• M34: 58,780,444 km (0.082 R)
• M35: 64,606,234 km (0.03 R)
• M36: 69,745,968 km (0.078 R)
• M37: 70,168,432 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.2

Radius: 5.9

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.13 AU - 10.95 AU

Year: 18761 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,736,491 km

• M1: 75,846 km (0.077 R)
• M2: 271,221 km (0.092 R)
• M3: 1,346,830 km (0.052 R)
• M4: 2,549,447 km (0.082 R)
• M5: 4,180,363 km (0.119 R)
• M6: 6,321,707 km (0.095 R)
• M7: 7,143,298 km (0.096 R)
• M8: 9,976,832 km (0.1 R)
• M9: 11,892,582 km (0.107 R)
• M10: 12,342,124 km (0.105 R)
• M11: 13,829,126 km (0.096 R)
• M12: 14,908,924 km (0.068 R)
• M13: 15,131,525 km (0.119 R)
• M14: 18,229,847 km (0.106 R)
• M15: 18,827,341 km (0.116 R)
• M16: 20,061,673 km (0.12 R)
• M17: 21,161,666 km (0.068 R)
• M18: 32,679,505 km (0.097 R)
• M19: 38,622,580 km (0.115 R)
• M20: 46,499,057 km (0.074 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: 168 - 20,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit