🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 9.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,433,402 km

• M1: 123,269 km (0.094 R)
• M2: 482,603 km (0.075 R)
• M3: 946,955 km (0.082 R)
• M4: 1,910,215 km (0.117 R)
• M5: 2,458,491 km (0.063 R)

Asteroid Belt

Center: 0.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 13.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.12 AU - 1.3 AU

Year: 903 Days

Day: 11.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,433,402 km

• M1: 169,195 km (0.105 R)
• M2: 669,450 km (0.062 R)
• M3: 1,471,893 km (0.053 R)
• M4: 2,027,650 km (0.082 R)
• M5: 2,592,531 km (0.117 R)
• M6: 3,087,401 km (0.053 R)
• M7: 3,660,211 km (0.116 R)
• M8: 4,204,747 km (0.118 R)
• M9: 5,838,057 km (0.07 R)
• M10: 6,651,869 km (0.063 R)
• M11: 7,109,788 km (0.089 R)
• M12: 7,786,420 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 8.3

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.33 AU - 1.51 AU

Year: 1148 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,433,402 km

• M1: 103,372 km (0.099 R)
• M2: 380,427 km (0.097 R)
• M3: 665,561 km (0.059 R)
• M4: 1,031,926 km (0.081 R)
• M5: 1,478,476 km (0.075 R)
• M6: 1,771,538 km (0.095 R)
• M7: 2,038,271 km (0.095 R)
• M8: 2,514,441 km (0.091 R)
• M9: 2,894,420 km (0.045 R)
• M10: 3,267,367 km (0.049 R)
• M11: 3,853,342 km (0.105 R)
• M12: 4,378,430 km (0.104 R)
• M13: 5,030,079 km (0.087 R)
• M14: 5,679,334 km (0.089 R)
• M15: 6,525,758 km (0.108 R)
• M16: 7,118,315 km (0.086 R)
• M17: 7,908,791 km (0.067 R)
• M18: 9,694,690 km (0.048 R)
• M19: 10,334,670 km (0.098 R)
• M20: 11,486,873 km (0.062 R)
• M21: 12,461,054 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.48 AU - 2.02 AU

Year: 1570 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,433,402 km

• M1: 144,212 km (0.04 R)
• M2: 786,735 km (0.081 R)
• M3: 1,729,501 km (0.096 R)
• M4: 3,302,373 km (0.086 R)
• M5: 3,704,791 km (0.073 R)
• M6: 4,393,091 km (0.108 R)
• M7: 5,147,812 km (0.085 R)
• M8: 6,273,387 km (0.064 R)
• M9: 6,998,637 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 11.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.62 AU - 1.98 AU

Year: 1638 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,433,402 km

• M1: 143,315 km (0.062 R)
• M2: 551,268 km (0.103 R)
• M3: 1,000,361 km (0.08 R)
• M4: 1,476,681 km (0.111 R)
• M5: 2,025,555 km (0.096 R)
• M6: 2,397,904 km (0.116 R)
• M7: 2,942,889 km (0.093 R)
• M8: 3,314,790 km (0.107 R)
• M9: 4,011,168 km (0.106 R)
• M10: 4,470,433 km (0.114 R)
• M11: 4,903,519 km (0.082 R)
• M12: 5,561,450 km (0.086 R)
• M13: 5,970,002 km (0.116 R)
• M14: 6,645,437 km (0.109 R)
• M15: 7,132,228 km (0.067 R)
• M16: 8,006,029 km (0.111 R)
• M17: 8,767,482 km (0.112 R)
• M18: 9,228,244 km (0.103 R)
• M19: 10,468,560 km (0.086 R)
• M20: 11,164,489 km (0.103 R)
• M21: 12,303,677 km (0.111 R)
• M22: 12,842,977 km (0.09 R)
• M23: 13,640,633 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 6.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.75 AU - 7.11 AU

Year: 11059 Days

Day: 19.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,433,402 km

• M1: 83,326 km (0.086 R)
• M2: 315,652 km (0.119 R)
• M3: 536,907 km (0.081 R)
• M4: 849,866 km (0.068 R)
• M5: 1,105,827 km (0.096 R)
• M6: 1,488,648 km (0.118 R)
• M7: 2,971,163 km (0.113 R)
• M8: 3,316,585 km (0.109 R)
• M9: 3,664,250 km (0.068 R)
• M10: 4,036,151 km (0.045 R)
• M11: 4,797,604 km (0.055 R)
• M12: 5,846,285 km (0.069 R)
• M13: 7,190,422 km (0.089 R)
• M14: 11,172,717 km (0.107 R)
• M15: 11,533,248 km (0.093 R)
• M16: 11,901,408 km (0.1 R)
• M17: 14,519,072 km (0.11 R)
• M18: 15,134,966 km (0.067 R)
• M19: 17,773,873 km (0.116 R)
• M20: 18,053,621 km (0.061 R)
• M21: 26,038,706 km (0.09 R)
• M22: 27,782,718 km (0.083 R)
• M23: 28,635,426 km (0.108 R)
• M24: 31,603,897 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.4

Radius: 4.3

Gravity: 36.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.65 AU - 8.99 AU

Year: 17766 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,433,402 km

• M1: 53,556 km (0.099 R)
• M2: 361,129 km (0.038 R)
• M3: 672,143 km (0.085 R)
• M4: 1,066,782 km (0.045 R)
• M5: 1,826,141 km (0.054 R)
• M6: 2,233,795 km (0.114 R)
• M7: 3,791,109 km (0.107 R)
• M8: 4,861,033 km (0.099 R)
• M9: 5,914,801 km (0.107 R)
• M10: 6,159,094 km (0.113 R)
• M11: 6,325,596 km (0.114 R)
• M12: 7,112,332 km (0.118 R)
• M13: 7,913,428 km (0.077 R)
• M14: 8,060,782 km (0.107 R)
• M15: 9,198,175 km (0.056 R)
• M16: 11,345,353 km (0.076 R)
• M17: 12,903,864 km (0.065 R)
• M18: 13,593,360 km (0.049 R)
• M19: 15,654,220 km (0.083 R)
• M20: 15,964,636 km (0.034 R)
• M21: 20,016,793 km (0.065 R)
• M22: 20,567,164 km (0.119 R)
• M23: 21,986,848 km (0.102 R)
• M24: 22,572,524 km (0.036 R)
• M25: 22,770,142 km (0.112 R)
• M26: 23,369,581 km (0.091 R)
• M27: 23,877,167 km (0.069 R)
• M28: 28,780,835 km (0.086 R)
• M29: 37,815,051 km (0.053 R)
• M30: 40,956,456 km (0.115 R)
• M31: 42,140,523 km (0.097 R)
• M32: 43,959,185 km (0.072 R)
• M33: 45,043,769 km (0.045 R)
• M34: 47,266,494 km (0.099 R)
• M35: 47,914,702 km (0.099 R)
• M36: 50,905,163 km (0.12 R)
• M37: 58,176,368 km (0.106 R)
• M38: 63,914,493 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.6

Radius: 7.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.83 AU - 9.75 AU

Year: 19205 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,433,402 km

• M1: 155,881 km (0.096 R)
• M2: 462,257 km (0.093 R)
• M3: 1,252,882 km (0.055 R)
• M4: 1,566,290 km (0.112 R)
• M5: 1,851,124 km (0.085 R)
• M6: 2,391,172 km (0.035 R)
• M7: 5,311,173 km (0.101 R)
• M8: 6,323,203 km (0.084 R)
• M9: 7,417,062 km (0.12 R)
• M10: 7,922,703 km (0.098 R)
• M11: 8,816,102 km (0.11 R)
• M12: 10,696,098 km (0.115 R)
• M13: 14,831,881 km (0.105 R)
• M14: 15,498,339 km (0.102 R)
• M15: 15,907,789 km (0.109 R)
• M16: 16,184,844 km (0.081 R)
• M17: 19,526,412 km (0.093 R)
• M18: 22,772,087 km (0.085 R)
• M19: 29,573,105 km (0.071 R)
• M20: 32,368,192 km (0.072 R)
• M21: 39,734,391 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 20,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit