🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 8.6

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.57 AU - 0.79 AU

Year: 368 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,451,176 km

• M1: 106,962 km (0.084 R)
• M2: 432,487 km (0.073 R)
• M3: 836,102 km (0.053 R)
• M4: 1,443,171 km (0.119 R)
• M5: 1,749,397 km (0.107 R)
• M6: 2,318,318 km (0.076 R)
• M7: 2,592,082 km (0.06 R)
• M8: 4,472,378 km (0.085 R)
• M9: 5,305,788 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.2

Radius: 13.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.7 AU - 0.72 AU

Year: 392 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,451,176 km

• M1: 165,455 km (0.099 R)
• M2: 654,341 km (0.102 R)
• M3: 1,120,338 km (0.077 R)
• M4: 1,624,334 km (0.042 R)
• M5: 2,046,200 km (0.114 R)
• M6: 3,004,823 km (0.027 R)
• M7: 3,501,039 km (0.118 R)
• M8: 4,296,002 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 14.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.05 AU - 1.15 AU

Year: 757 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,451,176 km

• M1: 180,415 km (0.113 R)
• M2: 973,134 km (0.102 R)
• M3: 1,510,789 km (0.06 R)
• M4: 2,139,848 km (0.103 R)
• M5: 2,904,592 km (0.119 R)
• M6: 3,406,044 km (0.101 R)
• M7: 4,356,440 km (0.102 R)
• M8: 4,807,776 km (0.102 R)
• M9: 5,534,224 km (0.07 R)
• M10: 6,937,302 km (0.099 R)
• M11: 7,485,429 km (0.082 R)
• M12: 8,463,649 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 14.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.64 AU - 4.4 AU

Year: 5287 Days

Day: 11 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,451,176 km

• M1: 178,021 km (0.094 R)
• M2: 651,200 km (0.082 R)
• M3: 1,136,046 km (0.111 R)
• M4: 1,585,887 km (0.068 R)
• M5: 4,086,415 km (0.081 R)
• M6: 4,621,677 km (0.073 R)
• M7: 5,576,111 km (0.116 R)
• M8: 6,403,238 km (0.032 R)
• M9: 6,979,339 km (0.036 R)
• M10: 8,848,564 km (0.104 R)
• M11: 11,693,318 km (0.116 R)
• M12: 12,468,384 km (0.108 R)
• M13: 13,554,913 km (0.088 R)
• M14: 14,605,390 km (0.053 R)
• M15: 18,140,836 km (0.049 R)
• M16: 19,180,242 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 10.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.36 AU - 5.18 AU

Year: 5788 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,451,176 km

• M1: 129,851 km (0.112 R)
• M2: 461,958 km (0.073 R)
• M3: 970,292 km (0.111 R)
• M4: 1,602,193 km (0.059 R)
• M5: 2,183,830 km (0.111 R)
• M6: 2,541,817 km (0.031 R)
• M7: 4,514,116 km (0.111 R)
• M8: 6,200,383 km (0.09 R)
• M9: 8,823,731 km (0.092 R)
• M10: 9,484,804 km (0.094 R)
• M11: 10,178,639 km (0.103 R)
• M12: 11,716,206 km (0.109 R)
• M13: 12,312,054 km (0.052 R)
• M14: 12,668,845 km (0.06 R)
• M15: 14,110,221 km (0.1 R)
• M16: 15,246,417 km (0.115 R)
• M17: 15,896,719 km (0.086 R)
• M18: 17,507,439 km (0.115 R)
• M19: 19,292,441 km (0.043 R)
• M20: 19,983,284 km (0.075 R)
• M21: 21,931,197 km (0.064 R)
• M22: 22,305,491 km (0.07 R)
• M23: 23,844,853 km (0.083 R)
• M24: 24,882,763 km (0.098 R)
• M25: 25,536,357 km (0.112 R)
• M26: 25,950,593 km (0.102 R)
• M27: 26,538,064 km (0.079 R)
• M28: 27,306,399 km (0.078 R)
• M29: 28,798,039 km (0.065 R)
• M30: 29,518,353 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.8

Radius: 9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.4 AU - 6.28 AU

Year: 9258 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,451,176 km

• M1: 131,347 km (0.117 R)
• M2: 558,150 km (0.119 R)
• M3: 1,223,860 km (0.074 R)
• M4: 1,898,696 km (0.091 R)
• M5: 2,276,431 km (0.097 R)
• M6: 2,989,564 km (0.117 R)
• M7: 3,332,293 km (0.117 R)
• M8: 4,877,190 km (0.113 R)
• M9: 5,564,293 km (0.083 R)
• M10: 5,862,142 km (0.092 R)
• M11: 6,343,399 km (0.057 R)
• M12: 7,547,362 km (0.072 R)
• M13: 11,407,436 km (0.066 R)
• M14: 13,083,231 km (0.098 R)
• M15: 13,369,711 km (0.072 R)
• M16: 14,969,062 km (0.066 R)
• M17: 16,085,511 km (0.099 R)
• M18: 16,860,129 km (0.035 R)
• M19: 20,527,670 km (0.097 R)

Asteroid Belt

Center: 7.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.8

Radius: 6.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.35 AU - 9.55 AU

Year: 19057 Days

Day: 15.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,451,176 km

• M1: 195,973 km (0.093 R)
• M2: 432,787 km (0.041 R)
• M3: 808,576 km (0.102 R)
• M4: 1,283,849 km (0.103 R)
• M5: 1,770,940 km (0.06 R)
• M6: 2,650,874 km (0.073 R)
• M7: 4,726,694 km (0.101 R)
• M8: 5,166,063 km (0.038 R)
• M9: 5,597,952 km (0.081 R)
• M10: 8,619,979 km (0.117 R)
• M11: 11,776,045 km (0.064 R)
• M12: 15,491,308 km (0.063 R)
• M13: 17,686,507 km (0.079 R)
• M14: 21,481,656 km (0.04 R)
• M15: 31,604,046 km (0.088 R)
• M16: 35,933,409 km (0.087 R)
• M17: 38,239,460 km (0.119 R)
• M18: 39,113,261 km (0.119 R)
• M19: 47,014,422 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 10,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit