🌌 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: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 12.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.47 AU - 1.73 AU

Year: 1350 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,690,516 km

• M1: 159,172 km (0.072 R)
• M2: 627,413 km (0.082 R)
• M3: 1,035,516 km (0.117 R)
• M4: 2,000,124 km (0.103 R)
• M5: 2,426,477 km (0.088 R)
• M6: 2,840,714 km (0.093 R)
• M7: 3,248,667 km (0.073 R)
• M8: 4,136,980 km (0.045 R)
• M9: 5,976,734 km (0.086 R)
• M10: 6,544,159 km (0.112 R)
• M11: 7,078,373 km (0.093 R)
• M12: 8,260,046 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 10.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.73 AU - 2.27 AU

Year: 1886 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,690,516 km

• M1: 131,197 km (0.106 R)
• M2: 485,445 km (0.061 R)
• M3: 818,300 km (0.04 R)
• M4: 1,297,762 km (0.11 R)
• M5: 1,909,617 km (0.118 R)
• M6: 2,249,054 km (0.12 R)
• M7: 2,604,050 km (0.107 R)
• M8: 3,150,531 km (0.089 R)
• M9: 3,489,520 km (0.106 R)
• M10: 4,509,628 km (0.081 R)
• M11: 5,158,883 km (0.102 R)
• M12: 6,362,697 km (0.083 R)
• M13: 8,790,670 km (0.079 R)
• M14: 9,169,153 km (0.044 R)
• M15: 10,695,201 km (0.114 R)
• M16: 11,501,533 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 8.2

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.83 AU - 3.81 AU

Year: 4034 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,690,516 km

• M1: 102,026 km (0.105 R)
• M2: 430,692 km (0.112 R)
• M3: 715,377 km (0.067 R)
• M4: 1,276,818 km (0.119 R)
• M5: 1,648,419 km (0.041 R)
• M6: 2,240,228 km (0.092 R)
• M7: 2,560,368 km (0.066 R)
• M8: 3,774,953 km (0.095 R)
• M9: 4,671,792 km (0.07 R)
• M10: 7,703,094 km (0.065 R)
• M11: 8,938,622 km (0.073 R)
• M12: 9,832,470 km (0.075 R)
• M13: 10,784,660 km (0.117 R)
• M14: 13,640,483 km (0.091 R)
• M15: 15,157,406 km (0.085 R)
• M16: 21,564,982 km (0.096 R)
• M17: 21,850,564 km (0.089 R)
• M18: 24,303,371 km (0.115 R)
• M19: 27,767,310 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 10.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.77 AU - 5.81 AU

Year: 8114 Days

Day: 7.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,690,516 km

• M1: 142,716 km (0.094 R)
• M2: 471,383 km (0.107 R)
• M3: 1,848,282 km (0.112 R)
• M4: 2,201,333 km (0.114 R)
• M5: 3,087,251 km (0.085 R)
• M6: 5,738,574 km (0.052 R)
• M7: 6,779,327 km (0.068 R)
• M8: 7,745,729 km (0.092 R)
• M9: 10,802,462 km (0.118 R)
• M10: 11,805,666 km (0.066 R)
• M11: 12,815,002 km (0.061 R)
• M12: 15,997,847 km (0.094 R)
• M13: 16,836,193 km (0.094 R)
• M14: 17,500,857 km (0.073 R)
• M15: 18,183,023 km (0.094 R)
• M16: 22,493,536 km (0.093 R)
• M17: 23,463,379 km (0.078 R)
• M18: 24,629,943 km (0.119 R)
• M19: 28,175,562 km (0.036 R)
• M20: 29,017,798 km (0.057 R)
• M21: 32,759,989 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.1

Radius: 6

Gravity: 19.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.51 AU - 6.17 AU

Year: 9411 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,690,516 km

• M1: 74,649 km (0.12 R)
• M2: 327,769 km (0.09 R)
• M3: 549,024 km (0.115 R)
• M4: 817,552 km (0.057 R)
• M5: 1,082,939 km (0.077 R)
• M6: 1,290,880 km (0.108 R)
• M7: 1,639,144 km (0.085 R)
• M8: 1,948,063 km (0.117 R)
• M9: 3,563,571 km (0.108 R)
• M10: 3,975,713 km (0.066 R)
• M11: 4,277,003 km (0.057 R)
• M12: 10,152,908 km (0.113 R)
• M13: 12,532,412 km (0.092 R)
• M14: 18,659,642 km (0.108 R)
• M15: 21,022,839 km (0.09 R)
• M16: 24,202,991 km (0.095 R)
• M17: 25,022,338 km (0.087 R)
• M18: 26,333,564 km (0.118 R)
• M19: 26,812,726 km (0.042 R)
• M20: 28,185,286 km (0.093 R)
• M21: 28,686,738 km (0.093 R)
• M22: 32,364,153 km (0.08 R)
• M23: 33,806,426 km (0.09 R)
• M24: 36,937,809 km (0.102 R)
• M25: 37,780,194 km (0.097 R)
• M26: 41,021,083 km (0.077 R)
• M27: 42,054,355 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.7

Radius: 6.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.29 AU - 11.57 AU

Year: 24097 Days

Day: 15.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,690,516 km

• M1: 142,118 km (0.07 R)
• M2: 941,569 km (0.051 R)
• M3: 1,702,274 km (0.04 R)
• M4: 3,755,505 km (0.116 R)
• M5: 5,534,822 km (0.107 R)
• M6: 9,997,027 km (0.116 R)
• M7: 14,924,781 km (0.103 R)
• M8: 25,354,595 km (0.1 R)
• M9: 31,684,679 km (0.075 R)
• M10: 33,596,391 km (0.115 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: 268 - 15,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit