🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 10.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.71 AU - 0.81 AU

Year: 457 Days

Day: 9 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,813,168 km

• M1: 133,142 km (0.079 R)
• M2: 472,879 km (0.112 R)
• M3: 1,006,644 km (0.03 R)
• M4: 1,485,956 km (0.092 R)
• M5: 1,977,385 km (0.085 R)
• M6: 2,354,820 km (0.113 R)
• M7: 2,954,259 km (0.035 R)
• M8: 4,280,294 km (0.117 R)
• M9: 5,098,894 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 11.2

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,813,168 km

• M1: 139,276 km (0.028 R)
• M2: 536,757 km (0.059 R)
• M3: 1,584,690 km (0.12 R)
• M4: 2,024,658 km (0.085 R)
• M5: 2,662,992 km (0.105 R)
• M6: 3,693,272 km (0.065 R)
• M7: 4,527,729 km (0.103 R)
• M8: 5,405,569 km (0.075 R)
• M9: 6,030,440 km (0.116 R)
• M10: 6,702,882 km (0.117 R)
• M11: 7,472,862 km (0.084 R)
• M12: 8,043,878 km (0.099 R)
• M13: 8,431,635 km (0.116 R)
• M14: 8,831,959 km (0.109 R)
• M15: 9,844,886 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.7

Radius: 14.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.93 AU - 1.51 AU

Year: 930 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,813,168 km

• M1: 175,478 km (0.118 R)
• M2: 638,484 km (0.062 R)
• M3: 1,297,762 km (0.072 R)
• M4: 1,763,908 km (0.077 R)
• M5: 2,291,690 km (0.106 R)
• M6: 2,999,737 km (0.097 R)
• M7: 4,431,239 km (0.035 R)
• M8: 5,889,967 km (0.05 R)
• M9: 7,042,469 km (0.068 R)
• M10: 7,529,560 km (0.076 R)
• M11: 8,239,252 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 12.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.31 AU - 1.53 AU

Year: 1168 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,813,168 km

• M1: 150,495 km (0.106 R)
• M2: 532,269 km (0.115 R)
• M3: 917,933 km (0.062 R)
• M4: 1,983,369 km (0.038 R)
• M5: 2,529,999 km (0.062 R)
• M6: 3,032,798 km (0.097 R)
• M7: 3,697,760 km (0.101 R)
• M8: 4,152,687 km (0.078 R)
• M9: 4,532,217 km (0.1 R)
• M10: 4,934,935 km (0.077 R)
• M11: 5,445,662 km (0.091 R)
• M12: 6,841,559 km (0.115 R)
• M13: 7,609,894 km (0.068 R)
• M14: 8,098,032 km (0.105 R)
• M15: 8,693,880 km (0.111 R)
• M16: 9,626,773 km (0.044 R)
• M17: 10,725,419 km (0.115 R)
• M18: 12,527,625 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 11.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.32 AU - 1.62 AU

Year: 1230 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,813,168 km

• M1: 143,165 km (0.119 R)
• M2: 514,916 km (0.064 R)
• M3: 1,062,294 km (0.089 R)
• M4: 1,444,517 km (0.118 R)
• M5: 1,920,537 km (0.091 R)
• M6: 2,281,368 km (0.12 R)
• M7: 2,642,946 km (0.077 R)
• M8: 3,043,120 km (0.113 R)
• M9: 4,042,134 km (0.117 R)
• M10: 4,725,946 km (0.084 R)
• M11: 5,122,530 km (0.062 R)
• M12: 5,692,349 km (0.082 R)
• M13: 6,121,994 km (0.083 R)
• M14: 6,828,844 km (0.12 R)
• M15: 7,658,962 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.2

Radius: 12.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.59 AU - 2.01 AU

Year: 1667 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,813,168 km

• M1: 157,975 km (0.067 R)
• M2: 691,890 km (0.098 R)
• M3: 1,241,513 km (0.107 R)
• M4: 1,701,676 km (0.101 R)
• M5: 2,338,963 km (0.097 R)
• M6: 3,209,024 km (0.1 R)
• M7: 5,174,142 km (0.098 R)
• M8: 6,519,625 km (0.115 R)
• M9: 7,389,985 km (0.092 R)
• M10: 7,987,778 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 10.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.75 AU - 4.45 AU

Year: 5730 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,813,168 km

• M1: 130,599 km (0.119 R)
• M2: 676,781 km (0.12 R)
• M3: 2,539,424 km (0.04 R)
• M4: 3,151,878 km (0.107 R)
• M5: 4,192,032 km (0.055 R)
• M6: 14,596,563 km (0.07 R)
• M7: 18,290,434 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.5

Radius: 4.2

Gravity: 23.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.54 AU - 7.84 AU

Year: 13308 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,813,168 km

• M1: 52,210 km (0.091 R)
• M2: 226,940 km (0.106 R)
• M3: 1,342,641 km (0.115 R)
• M4: 1,547,440 km (0.075 R)
• M5: 1,951,803 km (0.105 R)
• M6: 2,197,144 km (0.054 R)
• M7: 2,623,647 km (0.112 R)
• M8: 3,149,634 km (0.093 R)
• M9: 3,848,555 km (0.066 R)
• M10: 5,179,677 km (0.067 R)
• M11: 5,377,744 km (0.099 R)
• M12: 5,580,749 km (0.068 R)
• M13: 6,002,166 km (0.111 R)
• M14: 7,730,320 km (0.107 R)
• M15: 9,082,386 km (0.045 R)
• M16: 10,796,628 km (0.117 R)
• M17: 11,899,763 km (0.055 R)
• M18: 12,715,221 km (0.107 R)
• M19: 13,754,627 km (0.064 R)
• M20: 15,048,499 km (0.049 R)
• M21: 15,182,239 km (0.111 R)
• M22: 19,021,070 km (0.083 R)
• M23: 19,413,465 km (0.028 R)
• M24: 19,572,039 km (0.116 R)
• M25: 19,731,361 km (0.034 R)
• M26: 20,541,134 km (0.107 R)
• M27: 21,711,588 km (0.062 R)
• M28: 22,661,983 km (0.034 R)
• M29: 23,014,286 km (0.116 R)
• M30: 23,459,788 km (0.086 R)
• M31: 24,831,003 km (0.095 R)
• M32: 25,774,367 km (0.08 R)
• M33: 26,937,490 km (0.099 R)
• M34: 29,892,048 km (0.111 R)
• M35: 33,965,748 km (0.116 R)
• M36: 34,195,979 km (0.111 R)
• M37: 43,734,339 km (0.109 R)
• M38: 44,830,891 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 17,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit