🌌 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: 593

Radius: 11.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.62 AU - 0.74 AU

Year: 394 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,372,321 km

• M1: 145,559 km (0.054 R)
• M2: 566,078 km (0.062 R)
• M3: 951,293 km (0.117 R)
• M4: 1,365,829 km (0.108 R)
• M5: 2,058,018 km (0.1 R)
• M6: 2,730,909 km (0.102 R)
• M7: 3,350,244 km (0.105 R)
• M8: 3,946,841 km (0.088 R)
• M9: 5,047,881 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 11.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.9 AU - 0.98 AU

Year: 641 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,372,321 km

• M1: 148,401 km (0.071 R)
• M2: 547,229 km (0.088 R)
• M3: 996,471 km (0.111 R)
• M4: 1,384,528 km (0.071 R)
• M5: 2,228,260 km (0.116 R)
• M6: 2,665,535 km (0.073 R)
• M7: 3,250,163 km (0.074 R)
• M8: 3,867,255 km (0.064 R)
• M9: 4,321,134 km (0.047 R)
• M10: 4,870,458 km (0.081 R)
• M11: 5,368,768 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 8.4

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.07 AU - 4.93 AU

Year: 6710 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,372,321 km

• M1: 106,214 km (0.106 R)
• M2: 510,428 km (0.111 R)
• M3: 971,189 km (0.086 R)
• M4: 1,323,941 km (0.057 R)
• M5: 1,677,591 km (0.073 R)
• M6: 3,329,600 km (0.091 R)
• M7: 3,866,058 km (0.047 R)
• M8: 4,540,595 km (0.062 R)
• M9: 5,696,537 km (0.072 R)
• M10: 6,675,356 km (0.039 R)
• M11: 8,619,979 km (0.118 R)
• M12: 22,684,124 km (0.083 R)
• M13: 28,559,729 km (0.057 R)
• M14: 29,515,510 km (0.025 R)
• M15: 35,813,281 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 14.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.37 AU - 5.31 AU

Year: 7485 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,372,321 km

• M1: 181,761 km (0.11 R)
• M2: 639,680 km (0.031 R)
• M3: 1,304,942 km (0.079 R)
• M4: 2,588,791 km (0.094 R)
• M5: 3,755,505 km (0.11 R)
• M6: 5,220,816 km (0.114 R)
• M7: 5,928,414 km (0.065 R)
• M8: 6,936,704 km (0.117 R)
• M9: 7,867,950 km (0.046 R)
• M10: 9,003,548 km (0.028 R)
• M11: 9,761,710 km (0.116 R)
• M12: 10,471,103 km (0.031 R)
• M13: 11,405,940 km (0.102 R)
• M14: 11,993,261 km (0.071 R)
• M15: 15,830,746 km (0.028 R)
• M16: 19,164,684 km (0.037 R)
• M17: 19,855,826 km (0.094 R)
• M18: 21,730,587 km (0.117 R)
• M19: 22,482,316 km (0.046 R)
• M20: 23,878,812 km (0.079 R)
• M21: 25,086,366 km (0.058 R)
• M22: 25,580,488 km (0.055 R)
• M23: 27,016,328 km (0.098 R)
• M24: 31,170,362 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 13.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.26 AU - 6.02 AU

Year: 8191 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,372,321 km

• M1: 170,392 km (0.093 R)
• M2: 671,096 km (0.033 R)
• M3: 1,751,043 km (0.069 R)
• M4: 2,704,730 km (0.094 R)
• M5: 3,432,673 km (0.113 R)
• M6: 4,088,809 km (0.104 R)
• M7: 4,563,932 km (0.077 R)
• M8: 5,152,300 km (0.09 R)
• M9: 8,345,168 km (0.031 R)
• M10: 9,536,116 km (0.047 R)
• M11: 12,116,081 km (0.097 R)
• M12: 12,863,472 km (0.112 R)
• M13: 18,371,666 km (0.072 R)
• M14: 20,707,337 km (0.087 R)
• M15: 21,573,060 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.4

Radius: 7.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.08 AU - 7.52 AU

Year: 11115 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,372,321 km

• M1: 89,609 km (0.063 R)
• M2: 326,423 km (0.109 R)
• M3: 1,562,101 km (0.098 R)
• M4: 2,346,592 km (0.11 R)
• M5: 3,201,544 km (0.044 R)
• M6: 3,768,670 km (0.085 R)
• M7: 4,028,072 km (0.082 R)
• M8: 7,952,772 km (0.077 R)
• M9: 9,978,926 km (0.11 R)
• M10: 10,477,087 km (0.086 R)
• M11: 11,086,997 km (0.12 R)
• M12: 12,429,189 km (0.086 R)
• M13: 23,530,997 km (0.051 R)
• M14: 26,757,225 km (0.096 R)
• M15: 27,016,927 km (0.084 R)
• M16: 29,615,292 km (0.037 R)
• M17: 30,643,029 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264

Radius: 6.3

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.81 AU - 10.83 AU

Year: 20000 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,372,321 km

• M1: 84,523 km (0.072 R)
• M2: 284,236 km (0.101 R)
• M3: 540,946 km (0.104 R)
• M4: 751,131 km (0.061 R)
• M5: 2,428,871 km (0.062 R)
• M6: 2,745,121 km (0.033 R)
• M7: 3,112,384 km (0.055 R)
• M8: 3,538,139 km (0.115 R)
• M9: 3,973,469 km (0.03 R)
• M10: 4,950,942 km (0.073 R)
• M11: 6,464,872 km (0.059 R)
• M12: 13,384,372 km (0.088 R)
• M13: 15,404,093 km (0.045 R)
• M14: 15,903,002 km (0.078 R)
• M15: 16,858,034 km (0.104 R)
• M16: 18,640,643 km (0.074 R)
• M17: 21,149,698 km (0.069 R)
• M18: 21,500,356 km (0.108 R)
• M19: 21,765,892 km (0.098 R)
• M20: 22,850,177 km (0.108 R)
• M21: 23,969,768 km (0.105 R)
• M22: 27,030,989 km (0.055 R)
• M23: 28,601,766 km (0.118 R)
• M24: 32,968,528 km (0.081 R)
• M25: 33,321,729 km (0.069 R)
• M26: 35,003,658 km (0.115 R)
• M27: 37,759,699 km (0.054 R)
• M28: 39,058,957 km (0.117 R)
• M29: 39,985,865 km (0.076 R)
• M30: 40,253,496 km (0.099 R)
• M31: 42,994,877 km (0.094 R)
• M32: 48,541,667 km (0.096 R)
• M33: 55,372,305 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 11,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit