🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 12.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.94 AU - 1.36 AU

Year: 851 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,267,414 km

• M1: 152,141 km (0.099 R)
• M2: 656,435 km (0.091 R)
• M3: 1,951,355 km (0.093 R)
• M4: 2,616,916 km (0.089 R)
• M5: 3,076,779 km (0.113 R)
• M6: 3,692,075 km (0.059 R)
• M7: 4,564,530 km (0.094 R)
• M8: 6,206,965 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 13.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.04 AU - 1.42 AU

Year: 942 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,267,414 km

• M1: 166,802 km (0.103 R)
• M2: 611,406 km (0.063 R)
• M3: 1,190,500 km (0.083 R)
• M4: 1,756,877 km (0.11 R)
• M5: 2,366,788 km (0.104 R)
• M6: 3,386,297 km (0.109 R)
• M7: 3,949,533 km (0.103 R)
• M8: 4,818,248 km (0.061 R)
• M9: 5,315,063 km (0.108 R)
• M10: 5,775,675 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 12.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.47 AU - 2.11 AU

Year: 1653 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,267,414 km

• M1: 157,975 km (0.084 R)
• M2: 595,250 km (0.101 R)
• M3: 1,115,701 km (0.063 R)
• M4: 1,751,641 km (0.118 R)
• M5: 2,154,658 km (0.057 R)
• M6: 2,688,573 km (0.084 R)
• M7: 3,123,304 km (0.041 R)
• M8: 3,917,669 km (0.095 R)
• M9: 4,421,215 km (0.056 R)
• M10: 4,863,277 km (0.084 R)
• M11: 5,446,410 km (0.059 R)
• M12: 7,177,855 km (0.058 R)
• M13: 7,819,780 km (0.089 R)
• M14: 8,622,073 km (0.101 R)
• M15: 9,445,759 km (0.102 R)
• M16: 10,390,769 km (0.061 R)
• M17: 11,509,312 km (0.102 R)
• M18: 12,947,696 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.72 AU - 2.28 AU

Year: 1952 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,267,414 km

• M1: 186,549 km (0.103 R)
• M2: 793,916 km (0.064 R)
• M3: 2,013,288 km (0.114 R)
• M4: 2,789,252 km (0.104 R)
• M5: 3,497,000 km (0.112 R)
• M6: 3,981,099 km (0.109 R)
• M7: 5,232,934 km (0.066 R)
• M8: 6,658,601 km (0.1 R)
• M9: 7,930,183 km (0.051 R)
• M10: 8,535,157 km (0.061 R)
• M11: 10,882,048 km (0.088 R)
• M12: 12,036,196 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 14.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.86 AU - 2.56 AU

Year: 2268 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,267,414 km

• M1: 185,501 km (0.106 R)
• M2: 948,899 km (0.028 R)
• M3: 1,514,529 km (0.062 R)
• M4: 2,027,350 km (0.045 R)
• M5: 2,657,606 km (0.025 R)
• M6: 3,227,424 km (0.098 R)
• M7: 3,745,332 km (0.114 R)
• M8: 5,398,239 km (0.052 R)
• M9: 5,898,494 km (0.056 R)
• M10: 10,020,514 km (0.094 R)
• M11: 10,702,082 km (0.03 R)
• M12: 13,379,286 km (0.111 R)
• M13: 14,394,906 km (0.099 R)
• M14: 16,321,128 km (0.112 R)
• M15: 18,414,002 km (0.063 R)
• M16: 18,978,435 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 8.5

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.73 AU - 3.09 AU

Year: 3426 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,267,414 km

• M1: 107,112 km (0.09 R)
• M2: 401,072 km (0.112 R)
• M3: 697,425 km (0.081 R)
• M4: 964,457 km (0.108 R)
• M5: 1,254,378 km (0.077 R)
• M6: 1,764,956 km (0.102 R)
• M7: 2,095,866 km (0.119 R)
• M8: 2,969,518 km (0.111 R)
• M9: 3,575,988 km (0.028 R)
• M10: 4,419,121 km (0.06 R)
• M11: 7,131,330 km (0.086 R)
• M12: 7,481,390 km (0.095 R)
• M13: 7,977,456 km (0.081 R)
• M14: 8,565,824 km (0.098 R)
• M15: 8,961,810 km (0.075 R)
• M16: 10,143,633 km (0.069 R)
• M17: 12,129,096 km (0.11 R)
• M18: 13,094,750 km (0.11 R)
• M19: 14,461,028 km (0.082 R)
• M20: 16,684,800 km (0.1 R)
• M21: 19,742,132 km (0.077 R)
• M22: 20,117,323 km (0.071 R)
• M23: 20,561,031 km (0.116 R)
• M24: 22,947,117 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 11.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.9 AU - 4.34 AU

Year: 4754 Days

Day: 9.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,267,414 km

• M1: 142,118 km (0.107 R)
• M2: 791,971 km (0.114 R)
• M3: 2,142,840 km (0.102 R)
• M4: 2,556,478 km (0.092 R)
• M5: 2,941,992 km (0.09 R)
• M6: 3,402,155 km (0.101 R)
• M7: 3,890,442 km (0.119 R)
• M8: 4,255,611 km (0.093 R)
• M9: 4,643,817 km (0.064 R)
• M10: 6,523,814 km (0.116 R)
• M11: 7,100,962 km (0.051 R)
• M12: 8,865,469 km (0.061 R)
• M13: 9,250,833 km (0.086 R)
• M14: 9,610,915 km (0.097 R)
• M15: 10,826,398 km (0.073 R)
• M16: 11,761,385 km (0.097 R)
• M17: 12,705,497 km (0.076 R)
• M18: 14,262,811 km (0.12 R)
• M19: 15,739,342 km (0.061 R)
• M20: 16,992,224 km (0.119 R)
• M21: 17,918,983 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128

Radius: 3.8

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.04 AU - 6.88 AU

Year: 11333 Days

Day: 16.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,267,414 km

• M1: 47,423 km (0.108 R)
• M2: 372,648 km (0.035 R)
• M3: 1,087,128 km (0.076 R)
• M4: 1,603,091 km (0.083 R)
• M5: 1,979,329 km (0.087 R)
• M6: 4,808,824 km (0.037 R)
• M7: 6,186,620 km (0.117 R)
• M8: 8,912,443 km (0.102 R)
• M9: 10,424,279 km (0.084 R)
• M10: 12,050,258 km (0.1 R)
• M11: 12,948,892 km (0.091 R)
• M12: 14,160,934 km (0.098 R)
• M13: 14,655,206 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.8

Radius: 3.3

Gravity: 84.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.41 AU - 6.87 AU

Year: 11810 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 29,267,414 km

• M1: 42,336 km (0.115 R)
• M2: 228,436 km (0.088 R)
• M3: 704,157 km (0.086 R)
• M4: 1,114,355 km (0.117 R)
• M5: 1,494,932 km (0.088 R)
• M6: 1,850,226 km (0.088 R)
• M7: 2,142,092 km (0.071 R)
• M8: 2,527,606 km (0.081 R)
• M9: 2,703,084 km (0.081 R)
• M10: 2,839,966 km (0.057 R)
• M11: 4,412,240 km (0.077 R)
• M12: 4,998,813 km (0.112 R)
• M13: 6,205,918 km (0.029 R)
• M14: 6,364,342 km (0.109 R)
• M15: 8,194,223 km (0.098 R)
• M16: 10,347,086 km (0.058 R)
• M17: 10,458,238 km (0.084 R)
• M18: 10,569,987 km (0.08 R)
• M19: 14,034,674 km (0.094 R)
• M20: 14,445,619 km (0.064 R)
• M21: 15,291,296 km (0.089 R)
• M22: 17,470,488 km (0.118 R)
• M23: 17,945,761 km (0.075 R)
• M24: 21,517,111 km (0.088 R)
• M25: 22,432,201 km (0.117 R)
• M26: 23,087,888 km (0.057 R)
• M27: 30,704,963 km (0.087 R)
• M28: 31,863,449 km (0.089 R)
• M29: 33,291,660 km (0.07 R)
• M30: 36,531,351 km (0.108 R)
• M31: 40,937,906 km (0.033 R)
• M32: 43,340,149 km (0.051 R)
• M33: 47,959,731 km (0.067 R)
• M34: 50,308,268 km (0.112 R)
• M35: 51,107,719 km (0.119 R)
• M36: 53,391,630 km (0.068 R)
• M37: 55,572,318 km (0.117 R)
• M38: 56,083,943 km (0.104 R)
• M39: 57,637,367 km (0.073 R)
• M40: 58,161,408 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.8

Radius: 7.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.5 AU - 8.58 AU

Year: 12893 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,267,414 km

• M1: 92,003 km (0.083 R)
• M2: 406,906 km (0.087 R)
• M3: 1,039,107 km (0.112 R)
• M4: 1,557,912 km (0.093 R)
• M5: 2,526,858 km (0.089 R)
• M6: 4,686,153 km (0.105 R)
• M7: 6,053,627 km (0.068 R)
• M8: 7,180,847 km (0.069 R)
• M9: 7,848,203 km (0.039 R)
• M10: 11,629,290 km (0.089 R)
• M11: 12,949,940 km (0.098 R)
• M12: 14,531,339 km (0.093 R)
• M13: 14,862,399 km (0.11 R)
• M14: 18,327,385 km (0.118 R)
• M15: 20,798,742 km (0.119 R)
• M16: 22,150,358 km (0.101 R)
• M17: 25,904,517 km (0.041 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 12,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit