🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426

Radius: 13.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.87 AU - 1.15 AU

Year: 688 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,255,902 km

• M1: 165,455 km (0.072 R)
• M2: 760,406 km (0.067 R)
• M3: 1,433,896 km (0.095 R)
• M4: 2,093,772 km (0.084 R)
• M5: 2,721,335 km (0.111 R)
• M6: 3,239,392 km (0.095 R)
• M7: 3,729,924 km (0.091 R)
• M8: 4,909,802 km (0.111 R)
• M9: 5,825,640 km (0.097 R)
• M10: 6,343,847 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 8.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.4 AU - 1.74 AU

Year: 1334 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,255,902 km

• M1: 109,506 km (0.079 R)
• M2: 487,689 km (0.112 R)
• M3: 793,467 km (0.047 R)
• M4: 1,088,474 km (0.095 R)
• M5: 1,586,336 km (0.094 R)
• M6: 2,475,845 km (0.109 R)
• M7: 2,880,058 km (0.079 R)
• M8: 3,514,353 km (0.084 R)
• M9: 3,821,627 km (0.1 R)
• M10: 4,192,480 km (0.064 R)
• M11: 4,955,280 km (0.053 R)
• M12: 5,769,391 km (0.104 R)
• M13: 6,882,250 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 8.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.44 AU - 4.96 AU

Year: 5838 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,255,902 km

• M1: 110,254 km (0.088 R)
• M2: 729,589 km (0.1 R)
• M3: 1,328,279 km (0.064 R)
• M4: 1,717,084 km (0.105 R)
• M5: 2,123,841 km (0.077 R)
• M6: 2,419,596 km (0.064 R)
• M7: 3,891,340 km (0.049 R)
• M8: 5,070,769 km (0.11 R)
• M9: 5,714,788 km (0.113 R)
• M10: 6,114,963 km (0.115 R)
• M11: 6,939,845 km (0.062 R)
• M12: 8,997,863 km (0.076 R)
• M13: 9,941,078 km (0.104 R)
• M14: 10,520,769 km (0.074 R)
• M15: 12,208,533 km (0.064 R)
• M16: 15,013,792 km (0.088 R)
• M17: 15,337,671 km (0.096 R)
• M18: 15,777,040 km (0.09 R)
• M19: 16,168,239 km (0.081 R)
• M20: 17,145,262 km (0.091 R)
• M21: 18,222,217 km (0.061 R)
• M22: 18,839,608 km (0.077 R)
• M23: 21,999,115 km (0.103 R)
• M24: 22,487,552 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.5

Radius: 3.6

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.2 AU - 6.1 AU

Year: 9109 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,255,902 km

• M1: 44,730 km (0.036 R)
• M2: 159,471 km (0.064 R)
• M3: 348,563 km (0.066 R)
• M4: 504,893 km (0.1 R)
• M5: 730,486 km (0.067 R)
• M6: 1,286,542 km (0.043 R)
• M7: 1,405,472 km (0.08 R)
• M8: 1,557,912 km (0.109 R)
• M9: 1,735,485 km (0.114 R)
• M10: 2,474,648 km (0.107 R)
• M11: 3,702,248 km (0.033 R)
• M12: 3,846,311 km (0.105 R)
• M13: 4,019,096 km (0.11 R)
• M14: 4,222,849 km (0.108 R)
• M15: 4,595,946 km (0.092 R)
• M16: 4,875,694 km (0.055 R)
• M17: 4,990,735 km (0.106 R)
• M18: 6,726,519 km (0.11 R)
• M19: 8,245,535 km (0.063 R)
• M20: 9,128,013 km (0.032 R)
• M21: 9,259,061 km (0.112 R)
• M22: 9,704,863 km (0.096 R)
• M23: 11,177,654 km (0.095 R)
• M24: 12,576,394 km (0.114 R)
• M25: 18,282,505 km (0.072 R)
• M26: 18,630,470 km (0.058 R)
• M27: 18,841,403 km (0.078 R)
• M28: 22,436,689 km (0.097 R)
• M29: 26,998,227 km (0.075 R)
• M30: 32,140,654 km (0.078 R)
• M31: 33,885,414 km (0.081 R)
• M32: 36,564,412 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.3

Radius: 4.7

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.94 AU - 6.14 AU

Year: 10068 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,255,902 km

• M1: 62,682 km (0.098 R)
• M2: 566,976 km (0.03 R)
• M3: 867,368 km (0.069 R)
• M4: 1,090,419 km (0.051 R)
• M5: 1,244,355 km (0.115 R)
• M6: 1,451,099 km (0.073 R)
• M7: 1,767,200 km (0.053 R)
• M8: 1,949,559 km (0.1 R)
• M9: 3,079,323 km (0.101 R)
• M10: 4,205,346 km (0.099 R)
• M11: 5,143,624 km (0.068 R)
• M12: 5,390,610 km (0.109 R)
• M13: 7,660,608 km (0.119 R)
• M14: 10,844,948 km (0.09 R)
• M15: 11,251,256 km (0.032 R)
• M16: 12,311,456 km (0.047 R)
• M17: 13,669,655 km (0.077 R)
• M18: 15,376,866 km (0.093 R)
• M19: 16,479,851 km (0.099 R)
• M20: 19,952,766 km (0.088 R)
• M21: 21,819,149 km (0.09 R)
• M22: 23,042,859 km (0.061 R)
• M23: 23,292,987 km (0.087 R)
• M24: 23,883,599 km (0.114 R)
• M25: 27,451,957 km (0.077 R)
• M26: 39,775,531 km (0.116 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: 423 - 16,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit