🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 12.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,930,544 km

• M1: 156,629 km (0.035 R)
• M2: 546,631 km (0.112 R)
• M3: 971,189 km (0.103 R)
• M4: 1,443,021 km (0.108 R)
• M5: 2,233,347 km (0.111 R)
• M6: 2,774,592 km (0.092 R)
• M7: 3,337,678 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 14.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.63 AU - 0.77 AU

Year: 397 Days

Day: 15 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,930,544 km

• M1: 185,352 km (0.076 R)
• M2: 655,239 km (0.052 R)
• M3: 1,154,746 km (0.09 R)
• M4: 1,951,803 km (0.074 R)
• M5: 2,541,069 km (0.07 R)
• M6: 3,097,274 km (0.091 R)
• M7: 3,845,114 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.2

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.43 AU - 2.25 AU

Year: 1693 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,930,544 km

• M1: 114,742 km (0.118 R)
• M2: 403,615 km (0.036 R)
• M3: 950,994 km (0.062 R)
• M4: 1,336,059 km (0.087 R)
• M5: 1,669,363 km (0.104 R)
• M6: 2,000,872 km (0.102 R)
• M7: 2,389,078 km (0.099 R)
• M8: 2,915,363 km (0.103 R)
• M9: 3,400,360 km (0.108 R)
• M10: 3,741,293 km (0.108 R)
• M11: 4,373,344 km (0.114 R)
• M12: 6,596,967 km (0.025 R)
• M13: 7,322,517 km (0.108 R)
• M14: 7,719,250 km (0.118 R)
• M15: 8,220,253 km (0.074 R)
• M16: 8,648,851 km (0.098 R)
• M17: 9,352,709 km (0.046 R)
• M18: 9,990,744 km (0.108 R)
• M19: 10,837,767 km (0.074 R)
• M20: 11,278,931 km (0.109 R)
• M21: 12,236,507 km (0.108 R)
• M22: 13,330,517 km (0.037 R)
• M23: 13,709,298 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 11.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.72 AU - 2.68 AU

Year: 2213 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,930,544 km

• M1: 147,803 km (0.098 R)
• M2: 564,134 km (0.108 R)
• M3: 1,075,010 km (0.037 R)
• M4: 1,453,792 km (0.092 R)
• M5: 1,912,609 km (0.091 R)
• M6: 2,857,170 km (0.103 R)
• M7: 3,485,331 km (0.082 R)
• M8: 4,300,041 km (0.095 R)
• M9: 5,304,740 km (0.052 R)
• M10: 6,746,415 km (0.04 R)
• M11: 7,892,335 km (0.097 R)
• M12: 8,809,819 km (0.118 R)
• M13: 9,327,577 km (0.103 R)
• M14: 10,142,137 km (0.078 R)
• M15: 10,638,802 km (0.104 R)
• M16: 12,386,404 km (0.086 R)
• M17: 13,454,832 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 10.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.72 AU - 2.96 AU

Year: 3246 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,930,544 km

• M1: 129,402 km (0.113 R)
• M2: 475,272 km (0.07 R)
• M3: 825,182 km (0.103 R)
• M4: 1,171,202 km (0.095 R)
• M5: 2,318,767 km (0.065 R)
• M6: 2,970,415 km (0.105 R)
• M7: 3,637,023 km (0.045 R)
• M8: 4,759,157 km (0.086 R)
• M9: 5,137,191 km (0.119 R)
• M10: 7,120,709 km (0.112 R)
• M11: 7,448,927 km (0.085 R)
• M12: 7,989,125 km (0.103 R)
• M13: 9,470,742 km (0.067 R)
• M14: 10,380,746 km (0.088 R)
• M15: 12,257,152 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 9.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.89 AU - 3.21 AU

Year: 3613 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,930,544 km

• M1: 122,670 km (0.078 R)
• M2: 504,294 km (0.115 R)
• M3: 1,332,468 km (0.099 R)
• M4: 1,683,425 km (0.04 R)
• M5: 2,060,262 km (0.112 R)
• M6: 3,809,959 km (0.097 R)
• M7: 5,194,936 km (0.049 R)
• M8: 5,828,931 km (0.117 R)
• M9: 6,177,345 km (0.12 R)
• M10: 7,891,736 km (0.084 R)
• M11: 9,937,188 km (0.077 R)
• M12: 12,072,099 km (0.041 R)
• M13: 13,310,620 km (0.04 R)
• M14: 16,038,537 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 11.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.92 AU - 5.1 AU

Year: 6496 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,930,544 km

• M1: 140,472 km (0.042 R)
• M2: 739,462 km (0.105 R)
• M3: 1,484,310 km (0.082 R)
• M4: 2,180,838 km (0.062 R)
• M5: 2,604,948 km (0.118 R)
• M6: 3,598,876 km (0.086 R)
• M7: 4,246,036 km (0.077 R)
• M8: 6,905,139 km (0.085 R)
• M9: 10,947,423 km (0.083 R)
• M10: 14,228,852 km (0.117 R)
• M11: 16,921,464 km (0.088 R)
• M12: 18,801,909 km (0.105 R)
• M13: 22,973,895 km (0.117 R)
• M14: 27,906,436 km (0.04 R)
• M15: 29,759,056 km (0.069 R)
• M16: 31,006,403 km (0.083 R)
• M17: 33,810,764 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 14.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.07 AU - 5.91 AU

Year: 8725 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,930,544 km

• M1: 181,013 km (0.108 R)
• M2: 710,440 km (0.069 R)
• M3: 1,488,349 km (0.117 R)
• M4: 2,169,768 km (0.093 R)
• M5: 3,121,060 km (0.119 R)
• M6: 5,146,316 km (0.1 R)
• M7: 10,697,445 km (0.12 R)
• M8: 13,180,470 km (0.062 R)
• M9: 14,751,547 km (0.064 R)
• M10: 18,414,301 km (0.091 R)
• M11: 22,557,713 km (0.12 R)
• M12: 25,927,256 km (0.112 R)
• M13: 27,881,902 km (0.081 R)
• M14: 31,645,036 km (0.103 R)
• M15: 39,908,523 km (0.064 R)
• M16: 41,586,862 km (0.044 R)
• M17: 48,048,742 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.5

Radius: 5.7

Gravity: 19.62 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.9 AU - 8.5 AU

Year: 14492 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,930,544 km

• M1: 70,909 km (0.072 R)
• M2: 311,463 km (0.075 R)
• M3: 521,648 km (0.115 R)
• M4: 699,669 km (0.063 R)
• M5: 888,013 km (0.031 R)
• M6: 5,973,742 km (0.073 R)
• M7: 13,392,301 km (0.064 R)
• M8: 14,545,251 km (0.094 R)
• M9: 16,434,074 km (0.1 R)
• M10: 20,252,709 km (0.113 R)
• M11: 23,071,432 km (0.055 R)
• M12: 26,451,746 km (0.065 R)
• M13: 31,413,758 km (0.084 R)
• M14: 34,174,287 km (0.079 R)
• M15: 36,315,631 km (0.06 R)
• M16: 42,841,689 km (0.06 R)
• M17: 49,472,614 km (0.073 R)
• M18: 56,755,936 km (0.074 R)
• M19: 57,451,417 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit