🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.46 AU - 0.62 AU

Year: 150 Days

Day: 39.3 Hours

Environment

Temp: 201 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 10.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.73 AU - 6.89 AU

Year: 6003 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,509,569 km

• M1: 134,339 km (0.047 R)
• M2: 617,839 km (0.117 R)
• M3: 992,432 km (0.03 R)
• M4: 1,568,384 km (0.072 R)
• M5: 2,579,366 km (0.087 R)
• M6: 3,353,087 km (0.034 R)
• M7: 5,064,935 km (0.094 R)
• M8: 5,634,454 km (0.094 R)
• M9: 7,031,399 km (0.096 R)
• M10: 7,533,450 km (0.063 R)
• M11: 10,756,386 km (0.044 R)
• M12: 12,500,398 km (0.116 R)
• M13: 13,338,894 km (0.105 R)
• M14: 13,746,100 km (0.119 R)
• M15: 14,963,677 km (0.097 R)
• M16: 15,795,441 km (0.106 R)
• M17: 20,223,388 km (0.098 R)
• M18: 21,034,059 km (0.118 R)
• M19: 21,378,134 km (0.087 R)
• M20: 27,164,430 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 9.1

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.15 AU - 9.73 AU

Year: 8474 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,509,569 km

• M1: 119,230 km (0.11 R)
• M2: 421,567 km (0.083 R)
• M3: 722,707 km (0.072 R)
• M4: 1,014,872 km (0.075 R)
• M5: 1,765,853 km (0.072 R)
• M6: 2,049,940 km (0.084 R)
• M7: 2,488,710 km (0.117 R)
• M8: 3,939,062 km (0.063 R)
• M9: 10,312,978 km (0.078 R)
• M10: 10,747,859 km (0.063 R)
• M11: 11,195,157 km (0.06 R)
• M12: 13,851,117 km (0.049 R)
• M13: 14,321,453 km (0.088 R)
• M14: 22,233,236 km (0.105 R)
• M15: 27,104,441 km (0.094 R)
• M16: 28,684,494 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 4

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 14.09 AU - 19.15 AU

Year: 25662 Days

Day: 16.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,509,569 km

• M1: 49,816 km (0.117 R)
• M2: 255,364 km (0.052 R)
• M3: 892,202 km (0.118 R)
• M4: 1,764,058 km (0.111 R)
• M5: 2,059,514 km (0.104 R)
• M6: 4,239,005 km (0.057 R)
• M7: 4,367,211 km (0.108 R)
• M8: 5,264,947 km (0.1 R)
• M9: 8,998,312 km (0.093 R)
• M10: 9,426,162 km (0.114 R)
• M11: 17,900,283 km (0.065 R)
• M12: 18,405,475 km (0.09 R)
• M13: 26,077,602 km (0.098 R)
• M14: 29,546,178 km (0.079 R)
• M15: 37,517,800 km (0.03 R)
• M16: 40,751,657 km (0.054 R)
• M17: 42,808,478 km (0.078 R)
• M18: 49,064,212 km (0.056 R)
• M19: 52,923,239 km (0.103 R)
• M20: 54,136,627 km (0.097 R)
• M21: 55,014,767 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 17,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit