🌌 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: 851.5

Radius: 11.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,519,490 km

• M1: 146,905 km (0.109 R)
• M2: 651,798 km (0.067 R)
• M3: 1,300,305 km (0.103 R)
• M4: 1,674,898 km (0.113 R)
• M5: 2,441,138 km (0.029 R)
• M6: 3,451,821 km (0.095 R)
• M7: 3,870,695 km (0.114 R)
• M8: 4,393,091 km (0.088 R)
• M9: 4,767,086 km (0.098 R)
• M10: 5,272,727 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 13.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.17 AU - 2.35 AU

Year: 2266 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,519,490 km

• M1: 172,935 km (0.073 R)
• M2: 605,722 km (0.102 R)
• M3: 1,246,749 km (0.082 R)
• M4: 1,784,403 km (0.089 R)
• M5: 2,255,188 km (0.117 R)
• M6: 2,837,872 km (0.118 R)
• M7: 3,754,159 km (0.071 R)
• M8: 4,216,865 km (0.077 R)
• M9: 5,499,517 km (0.075 R)
• M10: 6,742,675 km (0.094 R)
• M11: 7,764,279 km (0.1 R)
• M12: 8,490,876 km (0.094 R)
• M13: 9,041,845 km (0.104 R)
• M14: 10,386,431 km (0.104 R)
• M15: 10,875,017 km (0.087 R)
• M16: 12,472,274 km (0.109 R)
• M17: 13,145,165 km (0.108 R)
• M18: 13,758,965 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58

Radius: 13.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.05 AU - 4.31 AU

Year: 4708 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,519,490 km

• M1: 169,644 km (0.118 R)
• M2: 629,059 km (0.114 R)
• M3: 4,724,750 km (0.091 R)
• M4: 7,698,456 km (0.117 R)
• M5: 8,733,972 km (0.07 R)
• M6: 11,115,870 km (0.057 R)
• M7: 12,737,361 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.5

Radius: 3.2

Gravity: 62.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.41 AU - 7.19 AU

Year: 9315 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 47,519,490 km

• M1: 42,037 km (0.112 R)
• M2: 159,471 km (0.094 R)
• M3: 286,929 km (0.089 R)
• M4: 850,613 km (0.082 R)
• M5: 2,352,875 km (0.112 R)
• M6: 2,643,245 km (0.076 R)
• M7: 2,745,271 km (0.117 R)
• M8: 3,534,399 km (0.112 R)
• M9: 3,862,617 km (0.086 R)
• M10: 3,967,485 km (0.091 R)
• M11: 4,350,007 km (0.119 R)
• M12: 4,579,340 km (0.081 R)
• M13: 5,478,723 km (0.117 R)
• M14: 5,678,436 km (0.114 R)
• M15: 6,788,901 km (0.099 R)
• M16: 7,136,566 km (0.075 R)
• M17: 7,909,389 km (0.08 R)
• M18: 8,736,366 km (0.062 R)
• M19: 9,101,235 km (0.099 R)
• M20: 10,357,109 km (0.079 R)
• M21: 11,889,141 km (0.1 R)
• M22: 12,167,692 km (0.071 R)
• M23: 12,912,391 km (0.073 R)
• M24: 14,682,133 km (0.04 R)
• M25: 15,067,498 km (0.088 R)
• M26: 15,459,444 km (0.075 R)
• M27: 16,676,273 km (0.114 R)
• M28: 18,544,451 km (0.09 R)
• M29: 20,948,489 km (0.049 R)
• M30: 21,191,586 km (0.07 R)
• M31: 22,015,571 km (0.116 R)
• M32: 25,895,840 km (0.1 R)
• M33: 26,932,404 km (0.114 R)
• M34: 27,800,819 km (0.105 R)
• M35: 36,589,994 km (0.068 R)
• M36: 38,739,565 km (0.095 R)
• M37: 39,351,271 km (0.043 R)
• M38: 39,721,227 km (0.066 R)
• M39: 39,845,243 km (0.083 R)
• M40: 40,845,455 km (0.108 R)
• M41: 44,079,162 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.4

Radius: 4.1

Gravity: 34.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.57 AU - 6.15 AU

Year: 9460 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,519,490 km

• M1: 51,312 km (0.069 R)
• M2: 179,069 km (0.085 R)
• M3: 315,053 km (0.097 R)
• M4: 468,391 km (0.111 R)
• M5: 838,795 km (0.068 R)
• M6: 1,407,267 km (0.077 R)
• M7: 1,582,745 km (0.025 R)
• M8: 2,111,873 km (0.072 R)
• M9: 2,896,963 km (0.115 R)
• M10: 3,732,018 km (0.088 R)
• M11: 6,759,281 km (0.078 R)
• M12: 7,499,640 km (0.082 R)
• M13: 9,800,157 km (0.092 R)
• M14: 10,441,034 km (0.094 R)
• M15: 11,004,868 km (0.088 R)
• M16: 11,267,712 km (0.061 R)
• M17: 13,167,754 km (0.111 R)
• M18: 14,504,710 km (0.087 R)
• M19: 14,820,811 km (0.067 R)
• M20: 15,532,149 km (0.114 R)
• M21: 15,796,488 km (0.108 R)
• M22: 17,587,773 km (0.113 R)
• M23: 18,238,075 km (0.075 R)
• M24: 19,509,956 km (0.119 R)
• M25: 20,680,410 km (0.045 R)
• M26: 22,480,371 km (0.089 R)
• M27: 24,293,497 km (0.055 R)
• M28: 25,923,217 km (0.103 R)
• M29: 26,576,211 km (0.064 R)
• M30: 26,954,096 km (0.079 R)
• M31: 30,108,516 km (0.092 R)
• M32: 34,386,118 km (0.069 R)
• M33: 40,654,269 km (0.102 R)
• M34: 43,858,356 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.2

Radius: 4.1

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.88 AU - 11.2 AU

Year: 19650 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,519,490 km

• M1: 52,808 km (0.115 R)
• M2: 328,966 km (0.095 R)
• M3: 608,863 km (0.032 R)
• M4: 1,134,700 km (0.092 R)
• M5: 1,950,756 km (0.028 R)
• M6: 2,163,036 km (0.11 R)
• M7: 2,489,907 km (0.1 R)
• M8: 3,616,828 km (0.101 R)
• M9: 6,310,637 km (0.074 R)
• M10: 9,444,263 km (0.034 R)
• M11: 18,070,226 km (0.025 R)
• M12: 19,886,643 km (0.102 R)
• M13: 20,629,397 km (0.114 R)
• M14: 21,476,121 km (0.105 R)
• M15: 26,848,629 km (0.094 R)
• M16: 30,164,615 km (0.114 R)
• M17: 30,706,160 km (0.042 R)
• M18: 32,596,179 km (0.092 R)
• M19: 33,743,296 km (0.116 R)
• M20: 39,626,232 km (0.113 R)
• M21: 41,595,838 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.9

Radius: 4.1

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.26 AU - 12.62 AU

Year: 22495 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,519,490 km

• M1: 51,013 km (0.083 R)
• M2: 181,313 km (0.118 R)
• M3: 536,009 km (0.111 R)
• M4: 707,149 km (0.096 R)
• M5: 904,768 km (0.092 R)
• M6: 1,115,551 km (0.09 R)
• M7: 1,451,548 km (0.077 R)
• M8: 2,910,277 km (0.088 R)
• M9: 3,181,049 km (0.052 R)
• M10: 3,746,679 km (0.052 R)
• M11: 4,979,365 km (0.118 R)
• M12: 6,534,734 km (0.118 R)
• M13: 7,158,109 km (0.069 R)
• M14: 8,476,814 km (0.055 R)
• M15: 8,981,407 km (0.111 R)
• M16: 10,614,867 km (0.056 R)
• M17: 13,451,392 km (0.049 R)
• M18: 18,517,075 km (0.104 R)
• M19: 23,992,058 km (0.082 R)
• M20: 24,354,833 km (0.116 R)
• M21: 27,192,854 km (0.102 R)
• M22: 28,691,226 km (0.102 R)
• M23: 35,939,991 km (0.115 R)
• M24: 36,893,677 km (0.116 R)
• M25: 40,110,031 km (0.05 R)
• M26: 41,525,227 km (0.054 R)
• M27: 45,692,126 km (0.043 R)
• M28: 47,377,197 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 19,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit