🌌 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: 93

Radius: 12.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.56 AU - 0.76 AU

Year: 370 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,371,495 km

• M1: 150,944 km (0.102 R)
• M2: 686,953 km (0.11 R)
• M3: 1,072,018 km (0.119 R)
• M4: 2,735,995 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 8.4

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.03 AU - 1.25 AU

Year: 840 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,371,495 km

• M1: 104,419 km (0.036 R)
• M2: 574,605 km (0.082 R)
• M3: 1,141,282 km (0.081 R)
• M4: 1,423,873 km (0.077 R)
• M5: 1,827,637 km (0.117 R)
• M6: 2,350,781 km (0.063 R)
• M7: 2,617,813 km (0.111 R)
• M8: 2,905,191 km (0.083 R)
• M9: 4,073,700 km (0.119 R)
• M10: 4,584,128 km (0.099 R)
• M11: 5,350,069 km (0.089 R)
• M12: 6,530,545 km (0.103 R)
• M13: 7,015,243 km (0.1 R)
• M14: 7,498,892 km (0.111 R)
• M15: 9,311,271 km (0.068 R)
• M16: 10,319,112 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 10.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.13 AU - 3.21 AU

Year: 3896 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,371,495 km

• M1: 135,835 km (0.112 R)
• M2: 698,772 km (0.064 R)
• M3: 1,133,204 km (0.089 R)
• M4: 1,783,207 km (0.067 R)
• M5: 3,066,607 km (0.036 R)
• M6: 3,781,086 km (0.117 R)
• M7: 4,135,035 km (0.051 R)
• M8: 4,626,314 km (0.083 R)
• M9: 5,231,438 km (0.036 R)
• M10: 5,998,725 km (0.096 R)
• M11: 6,424,181 km (0.112 R)
• M12: 6,992,055 km (0.083 R)
• M13: 7,528,214 km (0.119 R)
• M14: 12,216,312 km (0.047 R)
• M15: 13,372,853 km (0.106 R)
• M16: 15,060,915 km (0.06 R)
• M17: 17,337,047 km (0.09 R)
• M18: 18,438,386 km (0.095 R)
• M19: 19,097,066 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.8

Radius: 3.3

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.35 AU - 6.05 AU

Year: 9393 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,371,495 km

• M1: 41,439 km (0.1 R)
• M2: 165,006 km (0.104 R)
• M3: 673,639 km (0.071 R)
• M4: 1,659,340 km (0.04 R)
• M5: 3,346,953 km (0.077 R)
• M6: 4,038,245 km (0.086 R)
• M7: 5,448,055 km (0.113 R)
• M8: 5,753,534 km (0.091 R)
• M9: 9,073,859 km (0.109 R)
• M10: 10,913,613 km (0.079 R)
• M11: 11,989,671 km (0.108 R)
• M12: 14,559,762 km (0.115 R)
• M13: 18,878,802 km (0.096 R)
• M14: 19,705,181 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.8

Radius: 7.6

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.75 AU - 7.45 AU

Year: 10399 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,371,495 km

• M1: 98,136 km (0.058 R)
• M2: 401,969 km (0.086 R)
• M3: 2,371,575 km (0.084 R)
• M4: 3,065,859 km (0.104 R)
• M5: 4,173,631 km (0.1 R)
• M6: 6,265,608 km (0.077 R)
• M7: 7,026,163 km (0.102 R)
• M8: 8,729,784 km (0.097 R)
• M9: 9,781,008 km (0.085 R)
• M10: 10,310,136 km (0.074 R)
• M11: 13,698,079 km (0.076 R)
• M12: 14,226,309 km (0.115 R)
• M13: 16,402,359 km (0.09 R)
• M14: 23,865,348 km (0.074 R)
• M15: 30,224,604 km (0.054 R)
• M16: 35,489,402 km (0.106 R)
• M17: 39,319,556 km (0.107 R)
• M18: 40,385,740 km (0.108 R)
• M19: 47,639,143 km (0.046 R)
• M20: 48,242,172 km (0.069 R)
• M21: 50,549,270 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.9

Radius: 6.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.02 AU - 10.52 AU

Year: 17927 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,371,495 km

• M1: 111,151 km (0.098 R)
• M2: 425,756 km (0.054 R)
• M3: 721,211 km (0.053 R)
• M4: 1,489,696 km (0.039 R)
• M5: 2,938,850 km (0.073 R)
• M6: 3,200,796 km (0.105 R)
• M7: 4,353,148 km (0.079 R)
• M8: 5,659,437 km (0.085 R)
• M9: 10,959,989 km (0.116 R)
• M10: 11,700,049 km (0.113 R)
• M11: 19,312,337 km (0.037 R)
• M12: 20,234,010 km (0.083 R)
• M13: 21,507,835 km (0.118 R)
• M14: 21,916,686 km (0.098 R)
• M15: 27,425,778 km (0.096 R)
• M16: 36,730,915 km (0.077 R)
• M17: 38,143,268 km (0.049 R)
• M18: 40,950,772 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit