🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 9.4

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.45 AU - 0.61 AU

Year: 266 Days

Day: 7.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,369,951 km

• M1: 116,836 km (0.111 R)
• M2: 449,392 km (0.116 R)
• M3: 747,989 km (0.08 R)
• M4: 1,082,640 km (0.109 R)
• M5: 1,785,750 km (0.092 R)
• M6: 2,139,100 km (0.077 R)
• M7: 2,434,556 km (0.057 R)
• M8: 2,804,661 km (0.116 R)
• M9: 3,773,905 km (0.066 R)
• M10: 4,284,633 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,369,951 km

• M1: 111,899 km (0.104 R)
• M2: 599,738 km (0.042 R)
• M3: 950,395 km (0.048 R)
• M4: 1,248,095 km (0.107 R)
• M5: 1,655,450 km (0.108 R)
• M6: 2,000,572 km (0.112 R)
• M7: 2,324,601 km (0.112 R)
• M8: 2,956,952 km (0.085 R)
• M9: 3,469,175 km (0.111 R)
• M10: 3,879,073 km (0.054 R)
• M11: 4,373,793 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 11.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.51 AU - 0.81 AU

Year: 370 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,369,951 km

• M1: 146,756 km (0.101 R)
• M2: 514,916 km (0.052 R)
• M3: 890,257 km (0.028 R)
• M4: 1,570,478 km (0.104 R)
• M5: 2,080,607 km (0.093 R)
• M6: 2,880,956 km (0.079 R)
• M7: 3,279,185 km (0.117 R)
• M8: 4,558,995 km (0.113 R)
• M9: 5,320,149 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 9.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.55 AU - 0.79 AU

Year: 379 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 133.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,369,951 km

• M1: 120,576 km (0.047 R)
• M2: 436,527 km (0.033 R)
• M3: 791,522 km (0.075 R)
• M4: 1,284,447 km (0.07 R)
• M5: 1,596,060 km (0.112 R)
• M6: 1,951,504 km (0.098 R)
• M7: 2,721,634 km (0.05 R)
• M8: 3,171,624 km (0.087 R)
• M9: 3,502,385 km (0.115 R)
• M10: 4,084,919 km (0.089 R)
• M11: 4,386,958 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 12.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.63 AU - 1.67 AU

Year: 1463 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,369,951 km

• M1: 257,308 km (0.113 R)
• M2: 832,961 km (0.117 R)
• M3: 1,270,984 km (0.113 R)
• M4: 1,917,246 km (0.12 R)
• M5: 2,377,709 km (0.102 R)
• M6: 2,815,133 km (0.093 R)
• M7: 3,461,844 km (0.111 R)
• M8: 3,923,503 km (0.088 R)
• M9: 4,732,678 km (0.102 R)
• M10: 5,177,433 km (0.114 R)
• M11: 5,965,813 km (0.079 R)
• M12: 6,757,186 km (0.08 R)
• M13: 7,482,586 km (0.049 R)
• M14: 8,608,310 km (0.111 R)
• M15: 8,997,414 km (0.062 R)
• M16: 13,445,557 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.9

Radius: 10.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.41 AU - 2.79 AU

Year: 2894 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,369,951 km

• M1: 126,859 km (0.071 R)
• M2: 509,530 km (0.09 R)
• M3: 1,057,208 km (0.089 R)
• M4: 1,553,873 km (0.117 R)
• M5: 2,142,541 km (0.115 R)
• M6: 2,636,064 km (0.113 R)
• M7: 3,188,529 km (0.105 R)
• M8: 3,729,625 km (0.083 R)
• M9: 5,188,503 km (0.077 R)
• M10: 5,891,164 km (0.111 R)
• M11: 6,707,669 km (0.072 R)
• M12: 8,564,628 km (0.036 R)
• M13: 9,189,498 km (0.101 R)
• M14: 13,636,744 km (0.116 R)
• M15: 14,619,751 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 12.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.88 AU - 6.12 AU

Year: 8903 Days

Day: 12.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,369,951 km

• M1: 150,944 km (0.044 R)
• M2: 588,069 km (0.099 R)
• M3: 1,089,072 km (0.07 R)
• M4: 1,859,352 km (0.107 R)
• M5: 3,628,048 km (0.049 R)
• M6: 7,386,245 km (0.059 R)
• M7: 8,061,680 km (0.089 R)
• M8: 8,477,861 km (0.087 R)
• M9: 9,308,578 km (0.082 R)
• M10: 12,620,525 km (0.038 R)
• M11: 13,412,646 km (0.086 R)
• M12: 14,237,529 km (0.111 R)
• M13: 15,096,071 km (0.083 R)
• M14: 16,448,136 km (0.056 R)
• M15: 19,392,073 km (0.08 R)
• M16: 24,268,664 km (0.108 R)
• M17: 27,687,873 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.7

Radius: 3.1

Gravity: 47.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.56 AU - 7.6 AU

Year: 10348 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,369,951 km

• M1: 38,596 km (0.119 R)
• M2: 204,351 km (0.112 R)
• M3: 440,865 km (0.079 R)
• M4: 853,905 km (0.077 R)
• M5: 988,992 km (0.097 R)
• M6: 1,591,871 km (0.093 R)
• M7: 3,166,837 km (0.047 R)
• M8: 4,046,772 km (0.097 R)
• M9: 5,587,780 km (0.096 R)
• M10: 9,198,324 km (0.089 R)
• M11: 9,905,174 km (0.072 R)
• M12: 15,827,006 km (0.041 R)
• M13: 20,287,266 km (0.066 R)
• M14: 22,971,052 km (0.094 R)
• M15: 23,311,687 km (0.118 R)
• M16: 31,577,567 km (0.08 R)
• M17: 32,959,403 km (0.117 R)
• M18: 35,729,058 km (0.104 R)
• M19: 36,300,971 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.3

Radius: 4.1

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.17 AU - 7.25 AU

Year: 13363 Days

Day: 15 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,369,951 km

• M1: 51,013 km (0.097 R)
• M2: 196,272 km (0.12 R)
• M3: 532,269 km (0.032 R)
• M4: 765,941 km (0.102 R)
• M5: 1,364,333 km (0.083 R)
• M6: 3,100,117 km (0.107 R)
• M7: 3,730,672 km (0.09 R)
• M8: 4,469,835 km (0.049 R)
• M9: 4,830,964 km (0.119 R)
• M10: 5,362,635 km (0.041 R)
• M11: 5,548,286 km (0.111 R)
• M12: 6,825,253 km (0.092 R)
• M13: 7,962,646 km (0.062 R)
• M14: 8,702,557 km (0.071 R)
• M15: 9,089,267 km (0.12 R)
• M16: 11,347,447 km (0.025 R)
• M17: 11,550,900 km (0.093 R)
• M18: 11,705,136 km (0.086 R)
• M19: 14,186,964 km (0.049 R)
• M20: 14,662,087 km (0.113 R)
• M21: 16,538,493 km (0.079 R)
• M22: 17,874,702 km (0.113 R)
• M23: 18,780,816 km (0.112 R)
• M24: 20,684,150 km (0.103 R)
• M25: 21,682,416 km (0.114 R)
• M26: 23,362,101 km (0.083 R)
• M27: 23,940,746 km (0.034 R)
• M28: 25,472,329 km (0.096 R)
• M29: 26,528,938 km (0.053 R)
• M30: 26,707,857 km (0.074 R)
• M31: 29,393,289 km (0.119 R)
• M32: 33,073,696 km (0.116 R)
• M33: 34,330,168 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.1

Radius: 4.1

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.32 AU - 11.8 AU

Year: 22025 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,369,951 km

• M1: 54,902 km (0.063 R)
• M2: 222,003 km (0.045 R)
• M3: 458,517 km (0.082 R)
• M4: 1,250,489 km (0.076 R)
• M5: 1,801,757 km (0.104 R)
• M6: 3,156,665 km (0.098 R)
• M7: 3,416,815 km (0.073 R)
• M8: 4,472,976 km (0.074 R)
• M9: 4,971,287 km (0.12 R)
• M10: 6,729,810 km (0.111 R)
• M11: 7,981,944 km (0.085 R)
• M12: 12,273,159 km (0.031 R)
• M13: 13,646,916 km (0.109 R)
• M14: 14,903,389 km (0.074 R)
• M15: 26,871,069 km (0.051 R)
• M16: 28,612,687 km (0.11 R)
• M17: 34,411,699 km (0.096 R)
• M18: 35,684,178 km (0.092 R)
• M19: 37,784,832 km (0.085 R)
• M20: 40,105,544 km (0.06 R)
• M21: 46,858,092 km (0.079 R)
• M22: 48,419,894 km (0.115 R)
• M23: 48,895,166 km (0.077 R)
• M24: 52,475,791 km (0.098 R)
• M25: 60,335,963 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 10,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit