🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 14

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.02 AU - 1.08 AU

Year: 743 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,387,311 km

• M1: 174,132 km (0.088 R)
• M2: 702,362 km (0.109 R)
• M3: 1,369,419 km (0.069 R)
• M4: 2,157,500 km (0.086 R)
• M5: 3,571,500 km (0.103 R)
• M6: 4,687,948 km (0.049 R)
• M7: 5,814,570 km (0.112 R)
• M8: 6,878,510 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 9.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 818 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,387,311 km

• M1: 119,977 km (0.033 R)
• M2: 425,008 km (0.076 R)
• M3: 941,868 km (0.091 R)
• M4: 1,282,652 km (0.12 R)
• M5: 1,668,465 km (0.115 R)
• M6: 2,025,406 km (0.117 R)
• M7: 2,503,072 km (0.079 R)
• M8: 2,818,125 km (0.097 R)
• M9: 3,147,988 km (0.114 R)
• M10: 3,580,625 km (0.108 R)
• M11: 4,238,257 km (0.096 R)
• M12: 4,751,378 km (0.029 R)
• M13: 5,138,088 km (0.026 R)
• M14: 5,580,599 km (0.103 R)
• M15: 6,122,742 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 8.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.26 AU - 1.3 AU

Year: 1000 Days

Day: 6.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 122.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,387,311 km

• M1: 106,214 km (0.112 R)
• M2: 1,090,868 km (0.09 R)
• M3: 2,473,152 km (0.056 R)
• M4: 2,913,119 km (0.082 R)
• M5: 3,474,111 km (0.093 R)
• M6: 4,694,830 km (0.105 R)
• M7: 5,261,806 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 12.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.1 AU - 1.78 AU

Year: 1193 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,387,311 km

• M1: 153,039 km (0.082 R)
• M2: 672,143 km (0.109 R)
• M3: 1,223,860 km (0.111 R)
• M4: 1,611,019 km (0.071 R)
• M5: 2,316,074 km (0.106 R)
• M6: 3,292,051 km (0.076 R)
• M7: 3,874,286 km (0.106 R)
• M8: 4,788,927 km (0.054 R)
• M9: 5,246,248 km (0.096 R)
• M10: 5,754,432 km (0.051 R)
• M11: 6,578,566 km (0.086 R)
• M12: 7,532,253 km (0.061 R)
• M13: 8,180,610 km (0.1 R)
• M14: 8,604,421 km (0.059 R)
• M15: 10,092,770 km (0.048 R)
• M16: 10,713,751 km (0.105 R)
• M17: 11,710,821 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 13.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.22 AU - 4.84 AU

Year: 5584 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,387,311 km

• M1: 177,124 km (0.077 R)
• M2: 1,239,867 km (0.029 R)
• M3: 1,838,707 km (0.057 R)
• M4: 2,906,986 km (0.027 R)
• M5: 4,023,285 km (0.089 R)
• M6: 5,433,843 km (0.091 R)
• M7: 5,952,050 km (0.098 R)
• M8: 7,410,480 km (0.102 R)
• M9: 9,476,277 km (0.051 R)
• M10: 10,270,642 km (0.093 R)
• M11: 11,238,390 km (0.092 R)
• M12: 14,767,554 km (0.11 R)
• M13: 16,840,232 km (0.11 R)
• M14: 20,367,900 km (0.117 R)
• M15: 22,442,373 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 3.2

Gravity: 41.07 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.28 AU - 8.42 AU

Year: 13754 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,387,311 km

• M1: 40,092 km (0.064 R)
• M2: 150,346 km (0.082 R)
• M3: 261,946 km (0.076 R)
• M4: 379,679 km (0.091 R)
• M5: 684,859 km (0.111 R)
• M6: 1,385,575 km (0.049 R)
• M7: 2,273,289 km (0.096 R)
• M8: 2,589,988 km (0.094 R)
• M9: 4,813,760 km (0.068 R)
• M10: 7,408,835 km (0.104 R)
• M11: 8,280,093 km (0.074 R)
• M12: 8,462,153 km (0.052 R)
• M13: 8,646,907 km (0.03 R)
• M14: 13,362,231 km (0.095 R)
• M15: 15,524,070 km (0.095 R)
• M16: 18,831,978 km (0.108 R)
• M17: 20,112,686 km (0.107 R)
• M18: 20,691,031 km (0.112 R)
• M19: 25,432,984 km (0.105 R)
• M20: 26,796,569 km (0.098 R)
• M21: 37,855,292 km (0.112 R)
• M22: 41,326,113 km (0.101 R)
• M23: 43,070,274 km (0.117 R)
• M24: 45,283,724 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 11,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit