🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 11.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.72 AU - 0.88 AU

Year: 494 Days

Day: 13 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 40,479,959 km

• M1: 154,535 km (0.097 R)
• M2: 544,237 km (0.043 R)
• M3: 1,319,004 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 12.6

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.48 AU - 2 AU

Year: 1584 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,479,959 km

• M1: 156,629 km (0.112 R)
• M2: 703,409 km (0.118 R)
• M3: 1,494,184 km (0.062 R)
• M4: 2,388,480 km (0.114 R)
• M5: 2,804,362 km (0.098 R)
• M6: 3,206,032 km (0.1 R)
• M7: 3,784,677 km (0.118 R)
• M8: 5,484,408 km (0.113 R)
• M9: 5,949,507 km (0.077 R)
• M10: 6,619,257 km (0.071 R)
• M11: 7,120,111 km (0.115 R)
• M12: 7,617,972 km (0.097 R)
• M13: 8,839,439 km (0.059 R)
• M14: 9,579,649 km (0.074 R)
• M15: 10,118,650 km (0.072 R)
• M16: 11,147,136 km (0.06 R)
• M17: 13,536,812 km (0.034 R)
• M18: 14,652,363 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 14.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.62 AU - 2.36 AU

Year: 1938 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,479,959 km

• M1: 175,478 km (0.084 R)
• M2: 642,074 km (0.109 R)
• M3: 1,308,981 km (0.071 R)
• M4: 1,949,260 km (0.107 R)
• M5: 3,237,448 km (0.092 R)
• M6: 3,710,476 km (0.08 R)
• M7: 4,327,418 km (0.088 R)
• M8: 4,947,351 km (0.057 R)
• M9: 5,720,922 km (0.117 R)
• M10: 6,469,360 km (0.037 R)
• M11: 7,142,251 km (0.071 R)
• M12: 7,597,029 km (0.11 R)
• M13: 8,071,254 km (0.034 R)
• M14: 8,916,631 km (0.075 R)
• M15: 9,924,323 km (0.108 R)
• M16: 10,455,994 km (0.102 R)
• M17: 10,932,014 km (0.078 R)
• M18: 11,384,398 km (0.108 R)
• M19: 14,773,239 km (0.08 R)
• M20: 15,703,737 km (0.103 R)
• M21: 16,574,247 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 12.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.54 AU - 2.44 AU

Year: 1938 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,479,959 km

• M1: 150,495 km (0.091 R)
• M2: 622,626 km (0.113 R)
• M3: 1,001,109 km (0.096 R)
• M4: 1,471,893 km (0.116 R)
• M5: 2,200,734 km (0.07 R)
• M6: 2,827,849 km (0.112 R)
• M7: 3,237,747 km (0.091 R)
• M8: 3,881,915 km (0.096 R)
• M9: 4,731,332 km (0.115 R)
• M10: 5,427,411 km (0.067 R)
• M11: 6,887,785 km (0.094 R)
• M12: 7,349,594 km (0.047 R)
• M13: 7,807,513 km (0.029 R)
• M14: 9,463,860 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.5

Radius: 5.2

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.32 AU - 7.18 AU

Year: 10785 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,479,959 km

• M1: 64,626 km (0.104 R)
• M2: 344,673 km (0.06 R)
• M3: 873,203 km (0.065 R)
• M4: 1,182,422 km (0.054 R)
• M5: 1,469,500 km (0.077 R)
• M6: 1,831,976 km (0.102 R)
• M7: 2,083,300 km (0.101 R)
• M8: 2,773,395 km (0.101 R)
• M9: 2,978,045 km (0.102 R)
• M10: 4,397,878 km (0.114 R)
• M11: 5,056,857 km (0.056 R)
• M12: 5,520,760 km (0.088 R)
• M13: 5,779,564 km (0.113 R)
• M14: 6,859,362 km (0.107 R)
• M15: 8,656,780 km (0.106 R)
• M16: 8,830,314 km (0.084 R)
• M17: 10,015,727 km (0.098 R)
• M18: 13,669,505 km (0.106 R)
• M19: 17,911,802 km (0.06 R)
• M20: 20,100,718 km (0.074 R)
• M21: 22,217,827 km (0.062 R)
• M22: 25,888,809 km (0.107 R)
• M23: 27,632,223 km (0.072 R)
• M24: 30,843,790 km (0.095 R)
• M25: 31,249,200 km (0.099 R)
• M26: 33,649,647 km (0.095 R)
• M27: 36,395,217 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.6

Radius: 3

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.52 AU - 10.34 AU

Year: 18420 Days

Day: 22 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,479,959 km

• M1: 37,998 km (0.115 R)
• M2: 185,053 km (0.047 R)
• M3: 370,704 km (0.049 R)
• M4: 639,381 km (0.07 R)
• M5: 993,330 km (0.107 R)
• M6: 3,796,794 km (0.093 R)
• M7: 4,679,721 km (0.075 R)
• M8: 6,441,086 km (0.101 R)
• M9: 9,398,785 km (0.08 R)
• M10: 16,161,357 km (0.118 R)
• M11: 16,692,878 km (0.074 R)
• M12: 16,895,135 km (0.079 R)
• M13: 23,245,564 km (0.073 R)
• M14: 23,922,345 km (0.112 R)
• M15: 31,426,922 km (0.08 R)
• M16: 31,838,616 km (0.094 R)
• M17: 37,869,055 km (0.111 R)
• M18: 38,101,680 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 10,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit