🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 11.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 11.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 151.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,622,468 km

• M1: 145,559 km (0.1 R)
• M2: 664,813 km (0.085 R)
• M3: 1,050,775 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 10.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.82 AU - 1.36 AU

Year: 772 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,622,468 km

• M1: 125,662 km (0.025 R)
• M2: 470,635 km (0.05 R)
• M3: 1,122,283 km (0.069 R)
• M4: 1,673,551 km (0.073 R)
• M5: 2,319,964 km (0.087 R)
• M6: 2,676,007 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 11.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.52 AU - 6.68 AU

Year: 8988 Days

Day: 6.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,622,468 km

• M1: 139,276 km (0.085 R)
• M2: 888,761 km (0.068 R)
• M3: 1,663,528 km (0.05 R)
• M4: 2,463,129 km (0.112 R)
• M5: 4,722,805 km (0.072 R)
• M6: 8,286,076 km (0.03 R)
• M7: 8,825,078 km (0.084 R)
• M8: 10,023,207 km (0.104 R)
• M9: 10,635,361 km (0.1 R)
• M10: 11,822,570 km (0.067 R)
• M11: 13,952,844 km (0.027 R)
• M12: 15,642,552 km (0.059 R)
• M13: 20,619,224 km (0.053 R)
• M14: 25,142,615 km (0.041 R)
• M15: 25,892,699 km (0.09 R)
• M16: 26,754,233 km (0.097 R)
• M17: 27,241,024 km (0.081 R)
• M18: 29,350,653 km (0.038 R)
• M19: 31,136,553 km (0.106 R)
• M20: 44,477,691 km (0.106 R)
• M21: 45,574,692 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.9

Radius: 3.1

Gravity: 54.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.17 AU - 6.45 AU

Year: 9499 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 33,622,468 km

• M1: 38,596 km (0.056 R)
• M2: 249,679 km (0.086 R)
• M3: 600,785 km (0.076 R)
• M4: 738,864 km (0.065 R)
• M5: 926,609 km (0.076 R)
• M6: 1,178,981 km (0.109 R)
• M7: 1,284,747 km (0.098 R)
• M8: 1,834,070 km (0.107 R)
• M9: 2,230,504 km (0.073 R)
• M10: 2,621,852 km (0.115 R)
• M11: 2,741,680 km (0.081 R)
• M12: 2,886,192 km (0.054 R)
• M13: 3,013,948 km (0.086 R)
• M14: 3,636,425 km (0.07 R)
• M15: 3,836,288 km (0.104 R)
• M16: 5,674,397 km (0.103 R)
• M17: 5,875,307 km (0.101 R)
• M18: 7,376,970 km (0.083 R)
• M19: 8,279,494 km (0.115 R)
• M20: 8,581,532 km (0.111 R)
• M21: 9,025,688 km (0.086 R)
• M22: 10,056,268 km (0.113 R)
• M23: 10,399,894 km (0.103 R)
• M24: 12,236,807 km (0.06 R)
• M25: 12,685,151 km (0.117 R)
• M26: 16,672,982 km (0.082 R)
• M27: 18,072,021 km (0.1 R)
• M28: 18,216,084 km (0.083 R)
• M29: 19,022,267 km (0.119 R)
• M30: 19,321,313 km (0.12 R)
• M31: 23,156,853 km (0.084 R)
• M32: 25,251,971 km (0.107 R)
• M33: 25,886,116 km (0.082 R)
• M34: 27,280,369 km (0.053 R)
• M35: 27,851,832 km (0.072 R)
• M36: 35,008,295 km (0.12 R)
• M37: 42,022,939 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.3

Radius: 3.2

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.53 AU - 7.13 AU

Year: 12107 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,622,468 km

• M1: 40,541 km (0.105 R)
• M2: 355,295 km (0.062 R)
• M3: 475,572 km (0.116 R)
• M4: 893,249 km (0.081 R)
• M5: 1,021,005 km (0.09 R)
• M6: 1,336,507 km (0.103 R)
• M7: 3,287,264 km (0.101 R)
• M8: 3,707,484 km (0.045 R)
• M9: 4,237,659 km (0.107 R)
• M10: 4,390,548 km (0.073 R)
• M11: 4,547,177 km (0.06 R)
• M12: 5,153,497 km (0.112 R)
• M13: 5,298,607 km (0.104 R)
• M14: 5,476,180 km (0.102 R)
• M15: 6,161,338 km (0.079 R)
• M16: 8,679,220 km (0.116 R)
• M17: 12,161,260 km (0.087 R)
• M18: 13,104,025 km (0.09 R)
• M19: 13,593,211 km (0.079 R)
• M20: 15,311,791 km (0.112 R)
• M21: 15,672,023 km (0.116 R)
• M22: 16,222,991 km (0.115 R)
• M23: 17,105,469 km (0.108 R)
• M24: 18,965,719 km (0.085 R)
• M25: 19,731,810 km (0.036 R)
• M26: 21,029,870 km (0.083 R)
• M27: 21,177,523 km (0.104 R)
• M28: 25,014,410 km (0.087 R)
• M29: 26,190,249 km (0.075 R)
• M30: 30,784,699 km (0.111 R)
• M31: 31,454,448 km (0.092 R)
• M32: 32,723,936 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit