🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 12.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.78 AU

Year: 377 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,038,351 km

• M1: 151,692 km (0.065 R)
• M2: 548,875 km (0.09 R)
• M3: 1,264,252 km (0.118 R)
• M4: 1,785,899 km (0.086 R)
• M5: 2,243,220 km (0.077 R)
• M6: 2,778,780 km (0.11 R)
• M7: 3,160,105 km (0.082 R)
• M8: 3,625,056 km (0.114 R)
• M9: 4,095,840 km (0.112 R)
• M10: 4,752,724 km (0.103 R)
• M11: 5,145,568 km (0.096 R)
• M12: 5,527,492 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 11

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.77 AU - 2.25 AU

Year: 2003 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,038,351 km

• M1: 139,874 km (0.052 R)
• M2: 643,570 km (0.104 R)
• M3: 1,202,468 km (0.09 R)
• M4: 1,888,224 km (0.085 R)
• M5: 2,294,083 km (0.086 R)
• M6: 3,189,875 km (0.086 R)
• M7: 3,800,833 km (0.05 R)
• M8: 5,275,270 km (0.061 R)
• M9: 6,068,587 km (0.083 R)
• M10: 7,768,468 km (0.055 R)
• M11: 8,425,801 km (0.079 R)
• M12: 9,174,837 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 11.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.55 AU - 2.55 AU

Year: 2063 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,038,351 km

• M1: 147,952 km (0.088 R)
• M2: 932,892 km (0.064 R)
• M3: 1,416,692 km (0.064 R)
• M4: 2,324,901 km (0.091 R)
• M5: 3,764,032 km (0.112 R)
• M6: 4,173,781 km (0.117 R)
• M7: 5,399,586 km (0.044 R)
• M8: 5,873,811 km (0.025 R)
• M9: 6,717,393 km (0.099 R)
• M10: 8,238,953 km (0.117 R)
• M11: 9,130,108 km (0.049 R)
• M12: 10,333,174 km (0.093 R)
• M13: 12,473,770 km (0.03 R)
• M14: 13,010,228 km (0.069 R)
• M15: 13,648,263 km (0.092 R)
• M16: 14,667,024 km (0.084 R)
• M17: 15,079,166 km (0.069 R)
• M18: 15,831,045 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.2

Radius: 12.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.21 AU - 3.09 AU

Year: 3032 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,038,351 km

• M1: 151,692 km (0.099 R)
• M2: 600,785 km (0.092 R)
• M3: 1,040,453 km (0.116 R)
• M4: 2,039,318 km (0.039 R)
• M5: 2,467,766 km (0.115 R)
• M6: 3,699,256 km (0.051 R)
• M7: 4,310,214 km (0.052 R)
• M8: 5,060,896 km (0.12 R)
• M9: 5,876,504 km (0.072 R)
• M10: 6,511,247 km (0.061 R)
• M11: 7,051,595 km (0.093 R)
• M12: 7,943,049 km (0.057 R)
• M13: 9,127,116 km (0.117 R)
• M14: 9,546,887 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 8.9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.11 AU - 3.25 AU

Year: 3986 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,038,351 km

• M1: 132,544 km (0.114 R)
• M2: 492,626 km (0.109 R)
• M3: 841,488 km (0.08 R)
• M4: 1,135,897 km (0.115 R)
• M5: 2,113,220 km (0.106 R)
• M6: 2,502,324 km (0.112 R)
• M7: 3,050,899 km (0.11 R)
• M8: 3,384,502 km (0.119 R)
• M9: 4,010,420 km (0.111 R)
• M10: 4,315,001 km (0.037 R)
• M11: 4,610,008 km (0.055 R)
• M12: 4,971,137 km (0.054 R)
• M13: 5,576,859 km (0.042 R)
• M14: 6,512,893 km (0.116 R)
• M15: 6,869,085 km (0.043 R)
• M16: 8,053,153 km (0.103 R)
• M17: 8,540,094 km (0.106 R)
• M18: 13,016,810 km (0.104 R)
• M19: 16,965,296 km (0.095 R)
• M20: 18,785,304 km (0.114 R)
• M21: 23,481,331 km (0.102 R)
• M22: 28,217,450 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537

Radius: 3.4

Gravity: 46.45 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.36 AU - 7.2 AU

Year: 12409 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,038,351 km

• M1: 80,783 km (0.076 R)
• M2: 392,096 km (0.117 R)
• M3: 556,205 km (0.062 R)
• M4: 712,535 km (0.084 R)
• M5: 829,520 km (0.101 R)
• M6: 991,235 km (0.112 R)
• M7: 2,247,558 km (0.116 R)
• M8: 2,796,583 km (0.117 R)
• M9: 3,429,980 km (0.104 R)
• M10: 4,356,739 km (0.086 R)
• M11: 4,658,328 km (0.105 R)
• M12: 6,886,888 km (0.063 R)
• M13: 8,027,871 km (0.106 R)
• M14: 11,731,615 km (0.082 R)
• M15: 13,223,554 km (0.111 R)
• M16: 13,726,353 km (0.117 R)
• M17: 14,176,792 km (0.072 R)
• M18: 16,941,061 km (0.115 R)
• M19: 18,294,324 km (0.088 R)
• M20: 19,235,593 km (0.119 R)
• M21: 19,718,047 km (0.069 R)
• M22: 22,164,271 km (0.061 R)
• M23: 22,428,311 km (0.1 R)
• M24: 23,323,654 km (0.093 R)
• M25: 25,569,118 km (0.12 R)
• M26: 27,143,636 km (0.047 R)
• M27: 28,781,583 km (0.092 R)
• M28: 30,484,306 km (0.119 R)
• M29: 39,365,034 km (0.089 R)
• M30: 47,018,162 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 15,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit