🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 13.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.04 AU - 1.54 AU

Year: 977 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 169.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,699,871 km

• M1: 174,282 km (0.1 R)
• M2: 607,667 km (0.075 R)
• M3: 1,228,348 km (0.085 R)
• M4: 2,299,469 km (0.077 R)
• M5: 2,726,421 km (0.043 R)
• M6: 3,341,867 km (0.087 R)
• M7: 3,853,043 km (0.085 R)
• M8: 4,631,700 km (0.065 R)
• M9: 5,373,107 km (0.101 R)
• M10: 6,078,610 km (0.103 R)
• M11: 6,989,213 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 13.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.11 AU - 1.57 AU

Year: 1034 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,699,871 km

• M1: 162,912 km (0.054 R)
• M2: 622,776 km (0.105 R)
• M3: 1,507,049 km (0.085 R)
• M4: 2,134,014 km (0.098 R)
• M5: 2,565,454 km (0.119 R)
• M6: 3,290,704 km (0.066 R)
• M7: 3,768,221 km (0.061 R)
• M8: 4,196,071 km (0.066 R)
• M9: 4,881,827 km (0.11 R)
• M10: 6,893,021 km (0.101 R)
• M11: 7,395,820 km (0.089 R)
• M12: 8,246,433 km (0.104 R)
• M13: 8,682,660 km (0.047 R)
• M14: 9,161,224 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.03 AU - 2.17 AU

Year: 2029 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,699,871 km

• M1: 166,802 km (0.099 R)
• M2: 1,193,043 km (0.052 R)
• M3: 1,947,315 km (0.063 R)
• M4: 2,413,612 km (0.076 R)
• M5: 3,470,222 km (0.086 R)
• M6: 4,124,264 km (0.093 R)
• M7: 5,016,465 km (0.077 R)
• M8: 6,111,372 km (0.097 R)
• M9: 6,869,385 km (0.097 R)
• M10: 7,568,306 km (0.116 R)
• M11: 7,997,502 km (0.101 R)
• M12: 8,443,005 km (0.075 R)
• M13: 10,544,256 km (0.114 R)
• M14: 11,635,722 km (0.081 R)
• M15: 13,017,408 km (0.117 R)
• M16: 14,180,831 km (0.086 R)
• M17: 16,765,882 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 6.6

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.3 AU - 7.98 AU

Year: 12723 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,699,871 km

• M1: 82,129 km (0.106 R)
• M2: 406,009 km (0.117 R)
• M3: 667,356 km (0.073 R)
• M4: 1,980,975 km (0.095 R)
• M5: 2,452,208 km (0.097 R)
• M6: 2,863,602 km (0.041 R)
• M7: 3,343,961 km (0.113 R)
• M8: 5,472,440 km (0.092 R)
• M9: 7,587,754 km (0.037 R)
• M10: 11,254,397 km (0.094 R)
• M11: 13,405,764 km (0.088 R)
• M12: 15,005,564 km (0.081 R)
• M13: 17,160,970 km (0.067 R)
• M14: 18,047,936 km (0.101 R)
• M15: 20,317,336 km (0.113 R)
• M16: 20,562,377 km (0.053 R)
• M17: 22,420,532 km (0.07 R)
• M18: 26,662,230 km (0.054 R)
• M19: 28,356,276 km (0.054 R)
• M20: 29,385,510 km (0.108 R)
• M21: 31,627,683 km (0.063 R)
• M22: 32,288,756 km (0.1 R)
• M23: 41,607,656 km (0.096 R)
• M24: 45,956,316 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.3

Radius: 5.8

Gravity: 20.97 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.79 AU - 8.97 AU

Year: 16177 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,699,871 km

• M1: 72,405 km (0.113 R)
• M2: 306,077 km (0.086 R)
• M3: 936,782 km (0.109 R)
• M4: 1,519,166 km (0.084 R)
• M5: 1,782,608 km (0.085 R)
• M6: 2,423,186 km (0.098 R)
• M7: 2,880,058 km (0.095 R)
• M8: 3,392,581 km (0.04 R)
• M9: 3,613,836 km (0.116 R)
• M10: 4,209,684 km (0.058 R)
• M11: 4,938,226 km (0.115 R)
• M12: 6,473,249 km (0.093 R)
• M13: 7,958,906 km (0.029 R)
• M14: 8,652,890 km (0.1 R)
• M15: 10,389,722 km (0.077 R)
• M16: 12,541,388 km (0.042 R)
• M17: 15,645,993 km (0.081 R)
• M18: 18,795,327 km (0.089 R)
• M19: 27,956,401 km (0.091 R)
• M20: 29,204,796 km (0.085 R)
• M21: 31,812,286 km (0.033 R)
• M22: 35,875,664 km (0.102 R)
• M23: 38,306,928 km (0.11 R)
• M24: 38,861,637 km (0.097 R)
• M25: 40,558,227 km (0.059 R)
• M26: 41,570,256 km (0.086 R)
• M27: 43,194,590 km (0.117 R)
• M28: 46,255,362 km (0.095 R)
• M29: 46,569,219 km (0.097 R)
• M30: 47,359,993 km (0.082 R)
• M31: 48,805,857 km (0.092 R)
• M32: 49,785,872 km (0.09 R)
• M33: 50,612,700 km (0.097 R)
• M34: 52,634,066 km (0.081 R)
• M35: 53,837,731 km (0.077 R)
• M36: 58,103,813 km (0.095 R)
• M37: 61,258,383 km (0.112 R)
• M38: 62,781,589 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 12,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit