🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.39 AU - 1.47 AU

Year: 644 Days

Day: 14.1 Hours

Environment

Temp: -53 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,596,129 km

• M1: 42,037 km (0.059 R)
• M2: 165,754 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 9.2

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.31 AU - 4.87 AU

Year: 3705 Days

Day: 10 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,596,129 km

• M1: 114,442 km (0.114 R)
• M2: 626,665 km (0.067 R)
• M3: 1,018,163 km (0.067 R)
• M4: 2,702,486 km (0.098 R)
• M5: 4,522,792 km (0.114 R)
• M6: 5,082,887 km (0.109 R)
• M7: 6,098,208 km (0.11 R)
• M8: 6,559,119 km (0.109 R)
• M9: 8,265,133 km (0.11 R)
• M10: 10,636,708 km (0.087 R)
• M11: 12,001,639 km (0.106 R)
• M12: 13,074,256 km (0.091 R)
• M13: 14,855,817 km (0.102 R)
• M14: 17,516,115 km (0.1 R)
• M15: 20,478,602 km (0.079 R)
• M16: 21,303,186 km (0.109 R)
• M17: 25,840,339 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 8.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.7 AU - 9.1 AU

Year: 10003 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,596,129 km

• M1: 109,506 km (0.083 R)
• M2: 388,356 km (0.087 R)
• M3: 1,493,286 km (0.099 R)
• M4: 1,825,842 km (0.119 R)
• M5: 2,256,983 km (0.05 R)
• M6: 2,698,147 km (0.068 R)
• M7: 4,194,724 km (0.113 R)
• M8: 6,212,351 km (0.099 R)
• M9: 8,554,305 km (0.047 R)
• M10: 9,853,563 km (0.106 R)
• M11: 12,198,809 km (0.11 R)
• M12: 12,623,068 km (0.073 R)
• M13: 14,773,538 km (0.105 R)
• M14: 19,859,117 km (0.082 R)
• M15: 21,887,664 km (0.088 R)
• M16: 24,971,325 km (0.107 R)
• M17: 26,616,752 km (0.084 R)
• M18: 29,549,319 km (0.071 R)
• M19: 30,897,495 km (0.101 R)
• M20: 34,657,339 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.2

Radius: 5.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.22 AU - 13.42 AU

Year: 16291 Days

Day: 20.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,596,129 km

• M1: 70,760 km (0.113 R)
• M2: 286,031 km (0.11 R)
• M3: 685,308 km (0.103 R)
• M4: 1,377,796 km (0.079 R)
• M5: 2,032,287 km (0.118 R)
• M6: 2,571,737 km (0.069 R)
• M7: 3,930,086 km (0.071 R)
• M8: 4,222,849 km (0.071 R)
• M9: 6,224,169 km (0.078 R)
• M10: 6,475,643 km (0.101 R)
• M11: 9,053,663 km (0.12 R)
• M12: 10,543,060 km (0.069 R)
• M13: 14,120,393 km (0.107 R)
• M14: 16,045,718 km (0.097 R)
• M15: 17,706,853 km (0.078 R)
• M16: 25,137,379 km (0.082 R)
• M17: 27,179,091 km (0.115 R)
• M18: 28,436,012 km (0.085 R)
• M19: 28,929,685 km (0.103 R)
• M20: 29,228,582 km (0.098 R)
• M21: 31,694,403 km (0.097 R)
• M22: 37,980,356 km (0.039 R)
• M23: 38,941,074 km (0.106 R)
• M24: 39,305,494 km (0.059 R)
• M25: 39,672,308 km (0.094 R)
• M26: 41,036,342 km (0.106 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: 226 - 16,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit