🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 8.7

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 5 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,074,360 km

• M1: 108,309 km (0.116 R)
• M2: 412,741 km (0.047 R)
• M3: 790,326 km (0.032 R)
• M4: 1,099,395 km (0.112 R)
• M5: 1,376,450 km (0.101 R)
• M6: 1,686,866 km (0.108 R)
• M7: 2,563,808 km (0.095 R)
• M8: 2,870,933 km (0.064 R)
• M9: 3,488,473 km (0.111 R)
• M10: 3,766,725 km (0.084 R)
• M11: 4,911,896 km (0.107 R)
• M12: 5,246,846 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 14.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.58 AU

Year: 954 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,074,360 km

• M1: 187,446 km (0.053 R)
• M2: 945,459 km (0.09 R)
• M3: 1,477,877 km (0.083 R)
• M4: 2,339,561 km (0.094 R)
• M5: 2,934,063 km (0.088 R)
• M6: 3,469,474 km (0.096 R)
• M7: 5,583,441 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 14.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.76 AU - 3.48 AU

Year: 3675 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,074,360 km

• M1: 184,903 km (0.08 R)
• M2: 687,552 km (0.085 R)
• M3: 1,264,700 km (0.042 R)
• M4: 1,911,262 km (0.046 R)
• M5: 3,207,528 km (0.059 R)
• M6: 3,739,947 km (0.112 R)
• M7: 4,639,928 km (0.097 R)
• M8: 5,655,996 km (0.12 R)
• M9: 6,679,545 km (0.109 R)
• M10: 7,322,068 km (0.096 R)
• M11: 9,060,694 km (0.116 R)
• M12: 11,214,455 km (0.056 R)
• M13: 13,168,801 km (0.111 R)
• M14: 14,916,852 km (0.067 R)
• M15: 15,388,983 km (0.116 R)
• M16: 15,968,825 km (0.105 R)
• M17: 17,172,190 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.4

Radius: 6.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.65 AU - 10.25 AU

Year: 19372 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,074,360 km

• M1: 80,633 km (0.058 R)
• M2: 407,654 km (0.115 R)
• M3: 725,699 km (0.062 R)
• M4: 971,937 km (0.077 R)
• M5: 1,454,241 km (0.103 R)
• M6: 1,772,735 km (0.033 R)
• M7: 2,281,517 km (0.111 R)
• M8: 3,363,559 km (0.099 R)
• M9: 4,338,338 km (0.086 R)
• M10: 5,000,309 km (0.101 R)
• M11: 5,590,323 km (0.096 R)
• M12: 6,116,608 km (0.112 R)
• M13: 9,398,785 km (0.096 R)
• M14: 12,784,185 km (0.096 R)
• M15: 15,377,315 km (0.083 R)
• M16: 16,477,906 km (0.101 R)
• M17: 25,127,206 km (0.059 R)
• M18: 27,435,053 km (0.1 R)
• M19: 28,538,636 km (0.118 R)
• M20: 32,689,528 km (0.114 R)
• M21: 33,361,971 km (0.097 R)
• M22: 36,983,436 km (0.087 R)
• M23: 44,858,418 km (0.091 R)
• M24: 45,133,977 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 7.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.7 AU - 10.22 AU

Year: 20961 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,074,360 km

• M1: 132,095 km (0.092 R)
• M2: 382,372 km (0.089 R)
• M3: 1,280,259 km (0.063 R)
• M4: 1,580,502 km (0.043 R)
• M5: 1,823,448 km (0.086 R)
• M6: 2,129,226 km (0.067 R)
• M7: 2,821,565 km (0.103 R)
• M8: 3,157,113 km (0.101 R)
• M9: 3,766,575 km (0.046 R)
• M10: 4,483,448 km (0.062 R)
• M11: 5,182,369 km (0.086 R)
• M12: 6,921,893 km (0.1 R)
• M13: 7,579,526 km (0.113 R)
• M14: 8,182,405 km (0.12 R)
• M15: 9,695,588 km (0.051 R)
• M16: 10,350,078 km (0.118 R)
• M17: 12,553,954 km (0.103 R)
• M18: 13,133,945 km (0.047 R)
• M19: 16,004,279 km (0.07 R)
• M20: 17,466,150 km (0.086 R)
• M21: 22,290,083 km (0.1 R)
• M22: 25,716,921 km (0.104 R)
• M23: 26,862,542 km (0.095 R)
• M24: 27,933,214 km (0.105 R)
• M25: 30,159,380 km (0.087 R)
• M26: 34,086,623 km (0.06 R)
• M27: 34,335,105 km (0.087 R)
• M28: 34,835,659 km (0.096 R)
• M29: 37,148,143 km (0.045 R)
• M30: 39,016,172 km (0.055 R)
• M31: 44,548,451 km (0.069 R)
• M32: 48,985,823 km (0.081 R)
• M33: 52,047,343 km (0.072 R)
• M34: 57,840,371 km (0.052 R)
• M35: 58,905,209 km (0.045 R)
• M36: 59,263,196 km (0.066 R)
• M37: 61,074,378 km (0.067 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: 212 - 15,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit