🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.92 AU - 1.16 AU

Year: 460 Days

Day: 18.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,385,285 km

• M1: 44,431 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.31 AU - 1.65 AU

Year: 780 Days

Day: 38.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.89 AU - 2.87 AU

Year: 1592 Days

Day: 21.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,385,285 km

• M1: 186,549 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 9

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.76 AU - 5.66 AU

Year: 4431 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,385,285 km

• M1: 111,899 km (0.048 R)
• M2: 642,224 km (0.112 R)
• M3: 1,553,275 km (0.064 R)
• M4: 3,046,112 km (0.109 R)
• M5: 3,681,304 km (0.101 R)
• M6: 4,260,398 km (0.073 R)
• M7: 4,646,061 km (0.073 R)
• M8: 4,976,373 km (0.095 R)
• M9: 5,322,393 km (0.112 R)
• M10: 5,741,716 km (0.1 R)
• M11: 6,396,356 km (0.117 R)
• M12: 6,741,927 km (0.102 R)
• M13: 10,309,986 km (0.073 R)
• M14: 11,504,375 km (0.114 R)
• M15: 12,690,088 km (0.078 R)
• M16: 13,036,258 km (0.091 R)
• M17: 13,747,596 km (0.099 R)
• M18: 16,853,547 km (0.111 R)
• M19: 18,443,024 km (0.095 R)
• M20: 20,130,189 km (0.117 R)
• M21: 22,344,836 km (0.093 R)
• M22: 24,564,120 km (0.116 R)
• M23: 25,179,865 km (0.067 R)
• M24: 27,007,502 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 10.1

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.62 AU - 9.02 AU

Year: 9479 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,385,285 km

• M1: 126,560 km (0.048 R)
• M2: 484,697 km (0.095 R)
• M3: 820,245 km (0.114 R)
• M4: 1,660,686 km (0.063 R)
• M5: 2,529,550 km (0.097 R)
• M6: 2,908,482 km (0.114 R)
• M7: 4,053,205 km (0.111 R)
• M8: 4,915,487 km (0.092 R)
• M9: 5,475,132 km (0.117 R)
• M10: 5,823,995 km (0.102 R)
• M11: 6,187,667 km (0.117 R)
• M12: 7,412,425 km (0.106 R)
• M13: 9,271,777 km (0.118 R)
• M14: 13,318,698 km (0.108 R)
• M15: 16,327,112 km (0.094 R)
• M16: 17,200,015 km (0.079 R)
• M17: 18,880,897 km (0.105 R)
• M18: 19,197,745 km (0.119 R)
• M19: 20,501,491 km (0.065 R)
• M20: 23,925,038 km (0.094 R)
• M21: 24,389,838 km (0.088 R)
• M22: 30,665,320 km (0.083 R)
• M23: 35,119,596 km (0.083 R)
• M24: 36,083,904 km (0.101 R)
• M25: 38,317,699 km (0.112 R)
• M26: 43,059,054 km (0.04 R)
• M27: 43,747,205 km (0.067 R)
• M28: 45,570,354 km (0.115 R)
• M29: 46,284,833 km (0.068 R)
• M30: 49,818,933 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.7

Radius: 7.1

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 11.34 AU - 14.7 AU

Year: 20365 Days

Day: 16.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,385,285 km

• M1: 91,554 km (0.037 R)
• M2: 330,013 km (0.076 R)
• M3: 816,954 km (0.052 R)
• M4: 1,086,380 km (0.057 R)
• M5: 2,209,411 km (0.082 R)
• M6: 3,298,783 km (0.1 R)
• M7: 3,680,108 km (0.049 R)
• M8: 3,993,216 km (0.108 R)
• M9: 4,637,235 km (0.113 R)
• M10: 5,116,247 km (0.108 R)
• M11: 7,223,184 km (0.118 R)
• M12: 7,614,980 km (0.117 R)
• M13: 8,441,060 km (0.064 R)
• M14: 9,614,057 km (0.091 R)
• M15: 10,515,833 km (0.096 R)
• M16: 11,804,469 km (0.084 R)
• M17: 12,142,410 km (0.085 R)
• M18: 15,400,802 km (0.11 R)
• M19: 16,381,416 km (0.11 R)
• M20: 18,196,487 km (0.11 R)
• M21: 18,556,868 km (0.103 R)
• M22: 25,323,030 km (0.025 R)
• M23: 25,772,272 km (0.042 R)
• M24: 27,979,290 km (0.033 R)
• M25: 32,632,831 km (0.038 R)
• M26: 33,838,141 km (0.04 R)
• M27: 45,387,545 km (0.039 R)
• M28: 45,884,210 km (0.092 R)
• M29: 48,940,046 km (0.112 R)
• M30: 53,221,836 km (0.073 R)
• M31: 59,113,449 km (0.087 R)
• M32: 63,548,577 km (0.108 R)
• M33: 74,213,708 km (0.09 R)
• M34: 74,902,906 km (0.043 R)
• M35: 75,596,292 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.7

Radius: 6.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.92 AU - 13.5 AU

Year: 20812 Days

Day: 15.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,385,285 km

• M1: 82,129 km (0.091 R)
• M2: 1,001,707 km (0.109 R)
• M3: 1,456,934 km (0.117 R)
• M4: 2,235,142 km (0.086 R)
• M5: 2,440,689 km (0.057 R)
• M6: 2,796,134 km (0.097 R)
• M7: 6,163,731 km (0.076 R)
• M8: 6,488,060 km (0.088 R)
• M9: 6,738,636 km (0.068 R)
• M10: 7,438,754 km (0.093 R)
• M11: 9,830,226 km (0.113 R)
• M12: 10,049,985 km (0.093 R)
• M13: 13,083,231 km (0.108 R)
• M14: 13,416,535 km (0.117 R)
• M15: 13,755,524 km (0.092 R)
• M16: 15,169,074 km (0.102 R)
• M17: 23,027,451 km (0.096 R)
• M18: 26,468,950 km (0.114 R)
• M19: 27,980,487 km (0.092 R)
• M20: 29,207,787 km (0.09 R)
• M21: 29,663,014 km (0.119 R)
• M22: 30,704,215 km (0.113 R)
• M23: 31,769,501 km (0.113 R)
• M24: 32,371,932 km (0.099 R)
• M25: 32,736,951 km (0.119 R)
• M26: 36,671,973 km (0.05 R)
• M27: 39,371,317 km (0.098 R)
• M28: 45,770,217 km (0.11 R)
• M29: 49,859,325 km (0.105 R)
• M30: 57,145,339 km (0.112 R)
• M31: 59,117,039 km (0.061 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 10,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit