🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 9.8

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,632,965 km

• M1: 121,922 km (0.105 R)
• M2: 452,085 km (0.12 R)
• M3: 875,297 km (0.083 R)
• M4: 1,399,937 km (0.095 R)
• M5: 1,888,075 km (0.087 R)
• M6: 2,373,221 km (0.108 R)
• M7: 2,763,821 km (0.065 R)
• M8: 3,261,234 km (0.086 R)
• M9: 3,805,321 km (0.104 R)
• M10: 4,239,604 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.9

Radius: 9.9

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,632,965 km

• M1: 123,119 km (0.07 R)
• M2: 621,729 km (0.106 R)
• M3: 977,772 km (0.051 R)
• M4: 1,425,967 km (0.103 R)
• M5: 1,806,095 km (0.109 R)
• M6: 2,569,044 km (0.03 R)
• M7: 3,266,320 km (0.109 R)
• M8: 3,948,486 km (0.094 R)
• M9: 4,366,911 km (0.117 R)
• M10: 4,970,988 km (0.106 R)
• M11: 5,309,827 km (0.066 R)
• M12: 5,962,373 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 12.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.72 AU - 2.82 AU

Year: 3074 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,632,965 km

• M1: 154,385 km (0.102 R)
• M2: 602,281 km (0.067 R)
• M3: 1,380,040 km (0.05 R)
• M4: 1,876,406 km (0.106 R)
• M5: 2,577,272 km (0.109 R)
• M6: 4,943,611 km (0.104 R)
• M7: 5,561,301 km (0.117 R)
• M8: 6,894,367 km (0.116 R)
• M9: 7,636,074 km (0.09 R)
• M10: 8,364,765 km (0.082 R)
• M11: 9,139,233 km (0.116 R)
• M12: 9,887,522 km (0.065 R)
• M13: 11,875,528 km (0.103 R)
• M14: 12,810,514 km (0.06 R)
• M15: 13,839,897 km (0.112 R)
• M16: 14,351,373 km (0.118 R)
• M17: 15,461,538 km (0.066 R)
• M18: 16,836,792 km (0.086 R)
• M19: 17,419,924 km (0.097 R)
• M20: 17,852,561 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281

Radius: 3.5

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.32 AU - 7.58 AU

Year: 13560 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,632,965 km

• M1: 44,580 km (0.099 R)
• M2: 324,029 km (0.101 R)
• M3: 488,886 km (0.104 R)
• M4: 882,627 km (0.062 R)
• M5: 1,896,452 km (0.072 R)
• M6: 2,709,517 km (0.104 R)
• M7: 10,685,477 km (0.081 R)
• M8: 18,952,554 km (0.094 R)
• M9: 19,405,686 km (0.079 R)
• M10: 19,788,806 km (0.054 R)
• M11: 22,867,231 km (0.092 R)
• M12: 23,123,044 km (0.098 R)
• M13: 23,901,850 km (0.087 R)
• M14: 30,155,490 km (0.111 R)
• M15: 36,829,051 km (0.078 R)
• M16: 41,827,714 km (0.104 R)
• M17: 43,632,912 km (0.102 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: 223 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit