🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 10

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.49 AU - 1.69 AU

Year: 1360 Days

Day: 12.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,615,569 km

• M1: 124,914 km (0.118 R)
• M2: 463,155 km (0.066 R)
• M3: 812,915 km (0.083 R)
• M4: 1,143,077 km (0.118 R)
• M5: 1,664,725 km (0.094 R)
• M6: 2,013,737 km (0.092 R)
• M7: 2,972,510 km (0.105 R)
• M8: 3,538,588 km (0.115 R)
• M9: 4,282,389 km (0.055 R)
• M10: 5,147,513 km (0.086 R)
• M11: 5,610,818 km (0.11 R)
• M12: 6,033,282 km (0.062 R)
• M13: 6,452,904 km (0.112 R)
• M14: 7,144,645 km (0.041 R)
• M15: 7,857,479 km (0.054 R)
• M16: 8,588,264 km (0.064 R)
• M17: 9,455,932 km (0.105 R)
• M18: 11,435,411 km (0.103 R)
• M19: 12,559,639 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 10.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.62 AU - 2.32 AU

Year: 1875 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,615,569 km

• M1: 130,599 km (0.098 R)
• M2: 690,843 km (0.083 R)
• M3: 1,617,751 km (0.115 R)
• M4: 1,955,095 km (0.064 R)
• M5: 2,479,136 km (0.114 R)
• M6: 4,672,390 km (0.077 R)
• M7: 5,022,150 km (0.055 R)
• M8: 6,081,453 km (0.1 R)
• M9: 7,068,649 km (0.109 R)
• M10: 8,188,688 km (0.096 R)
• M11: 9,423,170 km (0.12 R)
• M12: 10,153,058 km (0.113 R)
• M13: 11,244,823 km (0.082 R)
• M14: 13,660,679 km (0.11 R)
• M15: 14,165,422 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 13.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.15 AU - 3.57 AU

Year: 3281 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,615,569 km

• M1: 172,935 km (0.099 R)
• M2: 733,179 km (0.09 R)
• M3: 1,331,720 km (0.093 R)
• M4: 2,084,497 km (0.073 R)
• M5: 2,712,209 km (0.106 R)
• M6: 4,149,845 km (0.101 R)
• M7: 4,703,955 km (0.109 R)
• M8: 6,639,752 km (0.071 R)
• M9: 8,614,893 km (0.087 R)
• M10: 9,718,027 km (0.086 R)
• M11: 10,913,314 km (0.093 R)
• M12: 13,201,264 km (0.111 R)
• M13: 13,694,787 km (0.08 R)
• M14: 14,149,415 km (0.026 R)
• M15: 14,614,066 km (0.067 R)
• M16: 16,804,179 km (0.056 R)
• M17: 17,917,786 km (0.117 R)
• M18: 19,647,885 km (0.119 R)
• M19: 22,518,070 km (0.108 R)
• M20: 24,383,256 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 10.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.94 AU - 4.98 AU

Year: 7492 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,615,569 km

• M1: 131,197 km (0.116 R)
• M2: 680,371 km (0.062 R)
• M3: 1,439,580 km (0.069 R)
• M4: 1,883,587 km (0.043 R)
• M5: 2,262,967 km (0.102 R)
• M6: 2,848,643 km (0.118 R)
• M7: 3,532,754 km (0.053 R)
• M8: 4,592,804 km (0.093 R)
• M9: 5,048,180 km (0.099 R)
• M10: 6,493,146 km (0.054 R)
• M11: 6,848,591 km (0.091 R)
• M12: 7,598,674 km (0.108 R)
• M13: 9,576,657 km (0.046 R)
• M14: 10,807,549 km (0.039 R)
• M15: 13,466,052 km (0.104 R)
• M16: 13,870,266 km (0.119 R)
• M17: 14,401,637 km (0.1 R)
• M18: 14,763,515 km (0.102 R)
• M19: 15,317,625 km (0.112 R)
• M20: 15,885,499 km (0.08 R)
• M21: 18,794,878 km (0.094 R)
• M22: 19,300,070 km (0.091 R)
• M23: 27,448,217 km (0.028 R)
• M24: 28,098,519 km (0.035 R)
• M25: 29,141,366 km (0.077 R)
• M26: 29,526,880 km (0.089 R)
• M27: 31,304,102 km (0.081 R)
• M28: 33,571,857 km (0.088 R)
• M29: 37,175,370 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.1

Radius: 3.3

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.42 AU - 6.86 AU

Year: 10319 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,615,569 km

• M1: 50,414 km (0.053 R)
• M2: 474,824 km (0.1 R)
• M3: 624,870 km (0.119 R)
• M4: 2,079,261 km (0.085 R)
• M5: 2,332,380 km (0.104 R)
• M6: 4,351,503 km (0.076 R)
• M7: 5,232,485 km (0.075 R)
• M8: 5,912,706 km (0.103 R)
• M9: 7,410,331 km (0.093 R)
• M10: 7,518,340 km (0.049 R)
• M11: 8,112,244 km (0.103 R)
• M12: 8,777,057 km (0.09 R)
• M13: 9,690,052 km (0.116 R)
• M14: 11,175,559 km (0.075 R)
• M15: 14,815,425 km (0.117 R)
• M16: 18,045,243 km (0.072 R)
• M17: 24,872,142 km (0.066 R)
• M18: 26,266,544 km (0.078 R)
• M19: 30,575,561 km (0.118 R)
• M20: 30,946,863 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.2

Radius: 5.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.43 AU - 7.08 AU

Year: 10598 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,615,569 km

• M1: 71,059 km (0.071 R)
• M2: 338,540 km (0.055 R)
• M3: 562,189 km (0.074 R)
• M4: 842,834 km (0.06 R)
• M5: 1,171,351 km (0.113 R)
• M6: 2,397,306 km (0.07 R)
• M7: 3,485,780 km (0.076 R)
• M8: 3,904,355 km (0.091 R)
• M9: 4,125,909 km (0.087 R)
• M10: 4,703,207 km (0.101 R)
• M11: 8,338,885 km (0.093 R)
• M12: 10,666,029 km (0.087 R)
• M13: 13,227,593 km (0.092 R)
• M14: 14,416,148 km (0.059 R)
• M15: 15,006,462 km (0.108 R)
• M16: 15,429,076 km (0.068 R)
• M17: 17,595,851 km (0.106 R)
• M18: 18,890,920 km (0.034 R)
• M19: 20,913,483 km (0.108 R)
• M20: 25,044,479 km (0.108 R)
• M21: 26,417,189 km (0.07 R)
• M22: 27,479,184 km (0.098 R)
• M23: 32,511,507 km (0.047 R)
• M24: 34,664,519 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 17,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit