🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 9.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 8.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,177,637 km

• M1: 120,576 km (0.072 R)
• M2: 445,353 km (0.086 R)
• M3: 907,311 km (0.039 R)
• M4: 1,353,562 km (0.114 R)
• M5: 1,861,297 km (0.042 R)
• M6: 2,236,937 km (0.115 R)
• M7: 2,600,011 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 14.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,177,637 km

• M1: 179,069 km (0.072 R)
• M2: 652,995 km (0.116 R)
• M3: 1,151,455 km (0.116 R)
• M4: 1,629,570 km (0.069 R)
• M5: 2,194,002 km (0.095 R)
• M6: 2,938,701 km (0.107 R)
• M7: 3,739,049 km (0.062 R)
• M8: 4,652,943 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 13.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,177,637 km

• M1: 169,195 km (0.077 R)
• M2: 705,952 km (0.08 R)
• M3: 1,131,857 km (0.038 R)
• M4: 1,744,461 km (0.117 R)
• M5: 2,977,147 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.1

Radius: 11.5

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.82 AU - 0.92 AU

Year: 541 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,177,637 km

• M1: 143,016 km (0.112 R)
• M2: 505,491 km (0.115 R)
• M3: 956,978 km (0.084 R)
• M4: 1,336,358 km (0.094 R)
• M5: 1,818,213 km (0.095 R)
• M6: 2,227,961 km (0.088 R)
• M7: 2,743,625 km (0.06 R)
• M8: 3,138,863 km (0.095 R)
• M9: 3,625,953 km (0.111 R)
• M10: 4,513,517 km (0.114 R)
• M11: 4,950,194 km (0.117 R)
• M12: 5,965,813 km (0.09 R)
• M13: 7,331,343 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 10.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.75 AU - 2.19 AU

Year: 1844 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,177,637 km

• M1: 134,189 km (0.114 R)
• M2: 454,478 km (0.076 R)
• M3: 927,058 km (0.081 R)
• M4: 1,995,486 km (0.057 R)
• M5: 2,838,769 km (0.101 R)
• M6: 4,468,638 km (0.102 R)
• M7: 4,937,627 km (0.046 R)
• M8: 6,022,960 km (0.097 R)
• M9: 8,475,617 km (0.091 R)
• M10: 13,592,014 km (0.12 R)
• M11: 15,112,377 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 14.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.29 AU - 2.73 AU

Year: 2652 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,177,637 km

• M1: 176,525 km (0.104 R)
• M2: 741,706 km (0.071 R)
• M3: 1,451,249 km (0.05 R)
• M4: 2,192,058 km (0.036 R)
• M5: 2,928,827 km (0.056 R)
• M6: 3,400,659 km (0.087 R)
• M7: 4,697,373 km (0.093 R)
• M8: 5,722,418 km (0.091 R)
• M9: 7,426,337 km (0.032 R)
• M10: 8,280,242 km (0.064 R)
• M11: 13,473,682 km (0.068 R)
• M12: 14,217,482 km (0.093 R)
• M13: 16,042,427 km (0.051 R)
• M14: 16,613,891 km (0.072 R)
• M15: 17,524,044 km (0.084 R)
• M16: 19,443,534 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 5

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.34 AU - 9.9 AU

Year: 16877 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,177,637 km

• M1: 62,233 km (0.098 R)
• M2: 255,663 km (0.095 R)
• M3: 610,210 km (0.112 R)
• M4: 769,831 km (0.103 R)
• M5: 1,272,479 km (0.051 R)
• M6: 2,020,918 km (0.107 R)
• M7: 2,288,399 km (0.089 R)
• M8: 2,894,420 km (0.067 R)
• M9: 3,703,894 km (0.111 R)
• M10: 4,931,195 km (0.101 R)
• M11: 5,827,585 km (0.104 R)
• M12: 6,258,876 km (0.094 R)
• M13: 7,306,809 km (0.036 R)
• M14: 8,972,880 km (0.091 R)
• M15: 10,351,574 km (0.116 R)
• M16: 10,983,476 km (0.111 R)
• M17: 18,856,961 km (0.083 R)
• M18: 19,089,287 km (0.093 R)
• M19: 20,118,221 km (0.083 R)
• M20: 21,100,480 km (0.034 R)
• M21: 23,071,582 km (0.116 R)
• M22: 25,917,831 km (0.1 R)
• M23: 34,905,073 km (0.115 R)
• M24: 37,529,169 km (0.114 R)
• M25: 38,390,853 km (0.092 R)
• M26: 43,166,017 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit