🌌 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: 285.1

Radius: 10.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.69 AU - 0.83 AU

Year: 421 Days

Day: 14.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,393,692 km

• M1: 128,505 km (0.067 R)
• M2: 326,123 km (0.069 R)
• M3: 880,383 km (0.113 R)
• M4: 1,092,812 km (0.106 R)
• M5: 1,327,083 km (0.09 R)
• M6: 1,581,848 km (0.062 R)
• M7: 2,182,483 km (0.111 R)
• M8: 2,524,913 km (0.114 R)
• M9: 3,288,760 km (0.066 R)
• M10: 3,694,768 km (0.093 R)
• M11: 4,158,073 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 10.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.43 AU - 2.09 AU

Year: 1485 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,393,692 km

• M1: 130,599 km (0.104 R)
• M2: 394,041 km (0.116 R)
• M3: 766,539 km (0.104 R)
• M4: 1,251,985 km (0.077 R)
• M5: 1,459,028 km (0.116 R)
• M6: 1,874,312 km (0.086 R)
• M7: 2,084,946 km (0.073 R)
• M8: 2,970,864 km (0.094 R)
• M9: 3,295,192 km (0.087 R)
• M10: 3,541,131 km (0.096 R)
• M11: 4,228,384 km (0.12 R)
• M12: 4,426,900 km (0.07 R)
• M13: 4,893,945 km (0.034 R)
• M14: 5,223,658 km (0.086 R)
• M15: 5,792,430 km (0.047 R)
• M16: 6,504,964 km (0.118 R)
• M17: 6,735,195 km (0.1 R)
• M18: 6,935,806 km (0.108 R)
• M19: 7,190,870 km (0.081 R)
• M20: 8,166,099 km (0.085 R)
• M21: 8,876,689 km (0.058 R)
• M22: 10,141,539 km (0.032 R)
• M23: 10,533,485 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31

Radius: 12

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.62 AU - 2.62 AU

Year: 1963 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,393,692 km

• M1: 153,637 km (0.049 R)
• M2: 764,894 km (0.078 R)
• M3: 1,066,483 km (0.116 R)
• M4: 1,465,610 km (0.045 R)
• M5: 1,769,743 km (0.037 R)
• M6: 2,000,722 km (0.074 R)
• M7: 2,523,417 km (0.085 R)
• M8: 2,958,148 km (0.054 R)
• M9: 4,843,829 km (0.087 R)
• M10: 5,403,924 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.2

Radius: 3.4

Gravity: 78.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.37 AU - 10.43 AU

Year: 15479 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,393,692 km

• M1: 52,359 km (0.086 R)
• M2: 225,294 km (0.081 R)
• M3: 538,702 km (0.09 R)
• M4: 677,080 km (0.108 R)
• M5: 988,842 km (0.079 R)
• M6: 1,194,838 km (0.089 R)
• M7: 3,056,434 km (0.029 R)
• M8: 3,926,944 km (0.041 R)
• M9: 4,060,385 km (0.118 R)
• M10: 9,209,544 km (0.079 R)
• M11: 11,017,734 km (0.047 R)
• M12: 12,450,881 km (0.116 R)
• M13: 14,286,896 km (0.09 R)
• M14: 14,477,484 km (0.061 R)
• M15: 16,384,856 km (0.086 R)
• M16: 20,026,218 km (0.113 R)
• M17: 23,787,557 km (0.115 R)
• M18: 25,281,741 km (0.037 R)
• M19: 25,875,046 km (0.097 R)
• M20: 28,945,243 km (0.055 R)
• M21: 30,129,460 km (0.067 R)
• M22: 31,525,358 km (0.096 R)
• M23: 31,902,943 km (0.086 R)
• M24: 33,532,961 km (0.089 R)
• M25: 36,813,044 km (0.065 R)
• M26: 37,631,195 km (0.092 R)
• M27: 40,886,893 km (0.036 R)
• M28: 45,400,560 km (0.078 R)
• M29: 48,036,175 km (0.06 R)
• M30: 48,970,265 km (0.113 R)
• M31: 50,269,522 km (0.112 R)
• M32: 50,388,452 km (0.056 R)
• M33: 50,985,198 km (0.088 R)
• M34: 53,407,936 km (0.087 R)
• M35: 59,710,644 km (0.108 R)
• M36: 62,330,252 km (0.052 R)
• M37: 67,876,443 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.9

Radius: 6.7

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.51 AU - 9.73 AU

Year: 18971 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,393,692 km

• M1: 116,387 km (0.042 R)
• M2: 268,079 km (0.043 R)
• M3: 2,680,794 km (0.032 R)
• M4: 3,572,397 km (0.097 R)
• M5: 4,844,278 km (0.111 R)
• M6: 6,861,456 km (0.077 R)
• M7: 7,749,469 km (0.105 R)
• M8: 8,166,847 km (0.06 R)
• M9: 8,789,473 km (0.117 R)
• M10: 9,689,454 km (0.086 R)
• M11: 10,526,753 km (0.12 R)
• M12: 16,484,638 km (0.094 R)
• M13: 21,200,561 km (0.104 R)
• M14: 21,428,997 km (0.12 R)
• M15: 22,589,877 km (0.099 R)
• M16: 22,983,768 km (0.089 R)
• M17: 23,781,574 km (0.083 R)
• M18: 25,668,601 km (0.117 R)
• M19: 31,207,163 km (0.11 R)
• M20: 35,102,991 km (0.074 R)
• M21: 35,298,964 km (0.09 R)
• M22: 35,988,909 km (0.111 R)
• M23: 38,303,188 km (0.089 R)
• M24: 40,689,873 km (0.042 R)
• M25: 52,263,961 km (0.087 R)
• M26: 52,862,652 km (0.084 R)
• M27: 55,660,880 km (0.098 R)
• M28: 58,026,920 km (0.075 R)
• M29: 59,419,377 km (0.104 R)
• M30: 61,993,358 km (0.085 R)
• M31: 67,712,335 km (0.079 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: 482 - 16,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit