🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 12.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.86 AU - 0.94 AU

Year: 600 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,405,807 km

• M1: 160,369 km (0.119 R)
• M2: 622,477 km (0.095 R)
• M3: 1,103,883 km (0.111 R)
• M4: 1,636,002 km (0.098 R)
• M5: 2,059,963 km (0.11 R)
• M6: 3,245,675 km (0.083 R)
• M7: 3,982,295 km (0.045 R)
• M8: 4,974,129 km (0.084 R)
• M9: 5,918,092 km (0.118 R)
• M10: 6,472,352 km (0.095 R)
• M11: 7,124,150 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 11.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.2 AU - 1.54 AU

Year: 1127 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,405,807 km

• M1: 138,079 km (0.097 R)
• M2: 520,152 km (0.106 R)
• M3: 933,640 km (0.071 R)
• M4: 1,308,383 km (0.057 R)
• M5: 1,757,925 km (0.041 R)
• M6: 2,276,132 km (0.103 R)
• M7: 2,714,453 km (0.053 R)
• M8: 3,308,955 km (0.095 R)
• M9: 4,223,597 km (0.063 R)
• M10: 4,630,054 km (0.075 R)
• M11: 5,101,587 km (0.116 R)
• M12: 5,460,771 km (0.037 R)
• M13: 6,502,271 km (0.093 R)
• M14: 8,415,479 km (0.106 R)
• M15: 9,004,595 km (0.114 R)
• M16: 9,353,308 km (0.094 R)
• M17: 9,985,508 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 11.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.18 AU - 1.86 AU

Year: 1317 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,405,807 km

• M1: 144,212 km (0.108 R)
• M2: 705,952 km (0.091 R)
• M3: 1,296,116 km (0.088 R)
• M4: 1,848,730 km (0.103 R)
• M5: 2,348,537 km (0.077 R)
• M6: 3,190,324 km (0.082 R)
• M7: 4,137,279 km (0.104 R)
• M8: 4,699,916 km (0.094 R)
• M9: 5,762,660 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 11.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.44 AU - 2.12 AU

Year: 1669 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,405,807 km

• M1: 148,850 km (0.07 R)
• M2: 652,696 km (0.064 R)
• M3: 1,148,762 km (0.054 R)
• M4: 1,592,170 km (0.047 R)
• M5: 2,512,197 km (0.03 R)
• M6: 2,968,770 km (0.081 R)
• M7: 3,420,705 km (0.087 R)
• M8: 4,700,664 km (0.091 R)
• M9: 5,646,721 km (0.104 R)
• M10: 6,436,299 km (0.118 R)
• M11: 7,248,316 km (0.119 R)
• M12: 8,316,894 km (0.049 R)
• M13: 9,637,693 km (0.069 R)
• M14: 11,327,551 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 8.2

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.52 AU - 5.14 AU

Year: 7462 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,405,807 km

• M1: 103,372 km (0.066 R)
• M2: 1,504,356 km (0.052 R)
• M3: 2,222,127 km (0.107 R)
• M4: 2,856,272 km (0.087 R)
• M5: 3,128,690 km (0.095 R)
• M6: 5,087,076 km (0.061 R)
• M7: 5,714,788 km (0.098 R)
• M8: 6,606,691 km (0.102 R)
• M9: 7,238,143 km (0.087 R)
• M10: 13,118,536 km (0.097 R)
• M11: 15,670,527 km (0.069 R)
• M12: 17,131,200 km (0.043 R)
• M13: 19,489,311 km (0.087 R)
• M14: 20,015,896 km (0.116 R)
• M15: 21,573,060 km (0.055 R)
• M16: 27,564,754 km (0.094 R)
• M17: 38,553,316 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 8.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.78 AU - 6.02 AU

Year: 7624 Days

Day: 9.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,405,807 km

• M1: 108,608 km (0.118 R)
• M2: 632,350 km (0.08 R)
• M3: 1,039,855 km (0.117 R)
• M4: 2,359,906 km (0.102 R)
• M5: 2,912,820 km (0.11 R)
• M6: 3,564,468 km (0.037 R)
• M7: 3,892,836 km (0.055 R)
• M8: 5,827,585 km (0.102 R)
• M9: 8,248,827 km (0.095 R)
• M10: 8,853,651 km (0.11 R)
• M11: 9,341,041 km (0.059 R)
• M12: 9,906,969 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.3

Radius: 6.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.82 AU - 9.3 AU

Year: 17604 Days

Day: 20.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,405,807 km

• M1: 84,523 km (0.109 R)
• M2: 7,862,415 km (0.12 R)
• M3: 8,557,447 km (0.092 R)
• M4: 8,797,851 km (0.095 R)
• M5: 9,546,738 km (0.087 R)
• M6: 12,970,734 km (0.107 R)
• M7: 13,720,070 km (0.06 R)
• M8: 16,633,039 km (0.03 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit