🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 12.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.55 AU - 0.85 AU

Year: 378 Days

Day: 6 Hours

Environment

Temp: -133 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,637,902 km

• M1: 159,172 km (0.093 R)
• M2: 759,209 km (0.079 R)
• M3: 1,168,659 km (0.077 R)
• M4: 1,570,179 km (0.098 R)
• M5: 2,090,929 km (0.107 R)
• M6: 2,787,308 km (0.101 R)
• M7: 3,345,607 km (0.064 R)
• M8: 4,428,695 km (0.115 R)
• M9: 4,944,060 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 10.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.69 AU - 0.95 AU

Year: 479 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,637,902 km

• M1: 125,662 km (0.118 R)
• M2: 482,752 km (0.118 R)
• M3: 836,252 km (0.117 R)
• M4: 1,356,105 km (0.085 R)
• M5: 1,797,119 km (0.055 R)
• M6: 2,151,965 km (0.073 R)
• M7: 2,705,328 km (0.112 R)
• M8: 3,472,466 km (0.08 R)
• M9: 4,028,521 km (0.088 R)
• M10: 4,568,420 km (0.086 R)
• M11: 5,204,510 km (0.113 R)
• M12: 5,916,147 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 12.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.04 AU - 4.3 AU

Year: 4540 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,637,902 km

• M1: 158,125 km (0.062 R)
• M2: 593,604 km (0.091 R)
• M3: 1,208,900 km (0.106 R)
• M4: 1,752,689 km (0.042 R)
• M5: 2,903,246 km (0.045 R)
• M6: 3,582,121 km (0.055 R)
• M7: 4,434,679 km (0.045 R)
• M8: 4,846,672 km (0.11 R)
• M9: 5,418,136 km (0.084 R)
• M10: 6,299,417 km (0.1 R)
• M11: 7,274,047 km (0.074 R)
• M12: 7,780,585 km (0.116 R)
• M13: 8,310,611 km (0.045 R)
• M14: 8,751,775 km (0.068 R)
• M15: 10,379,100 km (0.075 R)
• M16: 13,161,471 km (0.032 R)
• M17: 15,786,615 km (0.099 R)
• M18: 16,465,190 km (0.106 R)
• M19: 17,104,123 km (0.036 R)
• M20: 18,805,649 km (0.088 R)
• M21: 19,827,253 km (0.058 R)
• M22: 21,088,064 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 12.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.06 AU - 5.74 AU

Year: 8102 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,637,902 km

• M1: 160,369 km (0.076 R)
• M2: 678,576 km (0.098 R)
• M3: 1,273,078 km (0.072 R)
• M4: 1,795,025 km (0.09 R)
• M5: 2,251,448 km (0.101 R)
• M6: 2,969,817 km (0.09 R)
• M7: 4,403,413 km (0.064 R)
• M8: 4,891,551 km (0.117 R)
• M9: 9,143,422 km (0.106 R)
• M10: 9,769,788 km (0.039 R)
• M11: 10,469,457 km (0.096 R)
• M12: 10,923,637 km (0.087 R)
• M13: 12,617,533 km (0.11 R)
• M14: 13,500,909 km (0.103 R)
• M15: 15,624,151 km (0.111 R)
• M16: 17,388,060 km (0.088 R)
• M17: 19,079,413 km (0.089 R)
• M18: 23,320,064 km (0.109 R)
• M19: 25,131,096 km (0.119 R)
• M20: 25,700,465 km (0.09 R)
• M21: 26,864,935 km (0.087 R)
• M22: 28,238,543 km (0.029 R)
• M23: 29,478,410 km (0.103 R)

Asteroid Belt

Center: 8.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.7

Radius: 5.8

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.41 AU - 13.09 AU

Year: 22758 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 136.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,637,902 km

• M1: 75,098 km (0.066 R)
• M2: 288,425 km (0.072 R)
• M3: 491,130 km (0.085 R)
• M4: 1,129,913 km (0.115 R)
• M5: 1,713,195 km (0.088 R)
• M6: 2,812,440 km (0.096 R)
• M7: 3,367,897 km (0.069 R)
• M8: 4,944,658 km (0.092 R)
• M9: 6,038,368 km (0.071 R)
• M10: 9,517,865 km (0.08 R)
• M11: 11,385,894 km (0.114 R)
• M12: 12,103,665 km (0.078 R)
• M13: 14,214,191 km (0.091 R)
• M14: 17,735,276 km (0.067 R)
• M15: 19,057,273 km (0.109 R)
• M16: 19,881,258 km (0.093 R)
• M17: 21,502,151 km (0.067 R)
• M18: 28,159,555 km (0.088 R)
• M19: 29,468,537 km (0.118 R)
• M20: 29,710,736 km (0.047 R)
• M21: 34,436,233 km (0.06 R)
• M22: 40,529,055 km (0.064 R)
• M23: 53,703,541 km (0.118 R)
• M24: 55,159,577 km (0.062 R)
• M25: 57,581,417 km (0.107 R)
• M26: 59,491,782 km (0.115 R)
• M27: 71,849,165 km (0.12 R)
• M28: 72,068,475 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit