🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,383,732 km

• M1: 111,899 km (0.11 R)
• M2: 593,006 km (0.075 R)
• M3: 1,018,612 km (0.095 R)
• M4: 1,745,658 km (0.038 R)
• M5: 2,380,551 km (0.111 R)
• M6: 2,983,281 km (0.115 R)
• M7: 3,295,043 km (0.082 R)
• M8: 3,684,446 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 10.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.97 AU - 3.65 AU

Year: 4084 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,383,732 km

• M1: 135,984 km (0.079 R)
• M2: 522,396 km (0.111 R)
• M3: 1,015,620 km (0.101 R)
• M4: 1,419,534 km (0.094 R)
• M5: 1,877,603 km (0.063 R)
• M6: 2,530,598 km (0.1 R)
• M7: 3,002,579 km (0.091 R)
• M8: 3,450,325 km (0.075 R)
• M9: 3,809,809 km (0.11 R)
• M10: 5,620,093 km (0.088 R)
• M11: 6,585,897 km (0.11 R)
• M12: 8,053,601 km (0.087 R)
• M13: 9,728,499 km (0.084 R)
• M14: 11,624,503 km (0.082 R)
• M15: 13,288,928 km (0.06 R)
• M16: 14,125,031 km (0.1 R)
• M17: 14,501,569 km (0.108 R)
• M18: 15,051,191 km (0.042 R)
• M19: 17,145,861 km (0.087 R)
• M20: 18,136,498 km (0.116 R)
• M21: 21,057,546 km (0.077 R)
• M22: 23,594,576 km (0.111 R)
• M23: 24,125,499 km (0.046 R)
• M24: 24,664,201 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 11.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.9 AU - 3.98 AU

Year: 4327 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,383,732 km

• M1: 145,858 km (0.116 R)
• M2: 582,983 km (0.078 R)
• M3: 948,451 km (0.114 R)
• M4: 1,692,700 km (0.032 R)
• M5: 2,610,632 km (0.082 R)
• M6: 3,116,124 km (0.101 R)
• M7: 4,256,209 km (0.104 R)
• M8: 4,659,824 km (0.117 R)
• M9: 5,141,380 km (0.07 R)
• M10: 8,174,177 km (0.069 R)
• M11: 8,688,046 km (0.096 R)
• M12: 9,985,059 km (0.083 R)
• M13: 11,139,057 km (0.098 R)
• M14: 12,427,544 km (0.064 R)
• M15: 14,227,057 km (0.087 R)
• M16: 16,366,157 km (0.118 R)
• M17: 18,586,189 km (0.087 R)
• M18: 20,129,141 km (0.1 R)
• M19: 20,729,328 km (0.116 R)
• M20: 24,584,166 km (0.097 R)
• M21: 26,125,473 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 13.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.96 AU - 4.06 AU

Year: 4460 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,383,732 km

• M1: 180,565 km (0.087 R)
• M2: 932,892 km (0.109 R)
• M3: 1,441,076 km (0.029 R)
• M4: 2,354,970 km (0.105 R)
• M5: 3,280,382 km (0.101 R)
• M6: 3,783,629 km (0.12 R)
• M7: 4,842,034 km (0.103 R)
• M8: 5,800,209 km (0.105 R)
• M9: 7,399,859 km (0.079 R)
• M10: 10,574,475 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 10.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.26 AU - 4.52 AU

Year: 6239 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,383,732 km

• M1: 145,409 km (0.116 R)
• M2: 522,695 km (0.102 R)
• M3: 895,792 km (0.086 R)
• M4: 1,687,913 km (0.038 R)
• M5: 2,201,781 km (0.036 R)
• M6: 3,040,876 km (0.117 R)
• M7: 3,807,116 km (0.077 R)
• M8: 5,530,334 km (0.109 R)
• M9: 6,635,264 km (0.06 R)
• M10: 7,449,974 km (0.082 R)
• M11: 8,247,181 km (0.06 R)
• M12: 8,925,159 km (0.065 R)
• M13: 11,285,215 km (0.116 R)
• M14: 12,774,761 km (0.065 R)
• M15: 14,093,167 km (0.089 R)
• M16: 14,816,024 km (0.104 R)
• M17: 17,679,476 km (0.105 R)
• M18: 20,357,428 km (0.094 R)
• M19: 22,555,918 km (0.092 R)
• M20: 23,378,108 km (0.099 R)
• M21: 24,648,792 km (0.117 R)
• M22: 26,776,672 km (0.114 R)
• M23: 34,861,091 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 13.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.67 AU - 5.55 AU

Year: 6713 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,383,732 km

• M1: 171,738 km (0.119 R)
• M2: 594,652 km (0.096 R)
• M3: 1,256,772 km (0.064 R)
• M4: 1,934,450 km (0.075 R)
• M5: 2,454,901 km (0.056 R)
• M6: 2,866,146 km (0.06 R)
• M7: 3,302,074 km (0.081 R)
• M8: 4,335,795 km (0.088 R)
• M9: 6,226,114 km (0.097 R)
• M10: 6,676,254 km (0.089 R)
• M11: 7,222,884 km (0.043 R)
• M12: 9,397,589 km (0.098 R)
• M13: 9,991,791 km (0.105 R)
• M14: 10,659,596 km (0.077 R)
• M15: 11,768,864 km (0.098 R)
• M16: 12,622,919 km (0.088 R)
• M17: 13,346,972 km (0.116 R)
• M18: 14,939,292 km (0.078 R)
• M19: 18,286,993 km (0.083 R)
• M20: 19,214,500 km (0.106 R)
• M21: 20,248,072 km (0.098 R)
• M22: 21,008,777 km (0.072 R)
• M23: 21,552,565 km (0.091 R)
• M24: 24,499,045 km (0.095 R)
• M25: 27,334,972 km (0.108 R)
• M26: 34,396,141 km (0.102 R)
• M27: 37,146,797 km (0.029 R)
• M28: 38,287,032 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.1

Radius: 7.2

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.2 AU - 10.16 AU

Year: 17345 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,383,732 km

• M1: 89,609 km (0.094 R)
• M2: 319,242 km (0.098 R)
• M3: 1,139,786 km (0.118 R)
• M4: 3,242,534 km (0.077 R)
• M5: 4,119,477 km (0.051 R)
• M6: 8,752,074 km (0.099 R)
• M7: 13,059,595 km (0.09 R)
• M8: 16,660,864 km (0.1 R)
• M9: 19,398,655 km (0.048 R)
• M10: 23,735,797 km (0.093 R)
• M11: 29,030,065 km (0.112 R)
• M12: 29,384,911 km (0.107 R)
• M13: 40,979,794 km (0.106 R)
• M14: 41,725,988 km (0.112 R)
• M15: 44,644,044 km (0.1 R)
• M16: 49,524,225 km (0.088 R)
• M17: 50,711,883 km (0.049 R)
• M18: 52,266,803 km (0.11 R)
• M19: 54,748,183 km (0.099 R)
• M20: 56,936,650 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 20,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit