🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 10.5

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.76 AU

Year: 394 Days

Day: 14.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,503,498 km

• M1: 132,843 km (0.12 R)
• M2: 467,493 km (0.028 R)
• M3: 801,994 km (0.118 R)
• M4: 1,151,455 km (0.06 R)
• M5: 1,577,210 km (0.108 R)
• M6: 2,448,319 km (0.052 R)
• M7: 2,815,731 km (0.074 R)
• M8: 3,151,878 km (0.101 R)
• M9: 3,613,237 km (0.105 R)
• M10: 3,998,452 km (0.06 R)
• M11: 4,882,426 km (0.081 R)
• M12: 5,354,557 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 9.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.9 AU - 0.9 AU

Year: 551 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,503,498 km

• M1: 123,568 km (0.084 R)
• M2: 434,133 km (0.087 R)
• M3: 785,090 km (0.085 R)
• M4: 1,149,809 km (0.101 R)
• M5: 1,658,292 km (0.076 R)
• M6: 2,078,962 km (0.099 R)
• M7: 3,109,841 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 13.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.9 AU - 1.28 AU

Year: 735 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,503,498 km

• M1: 184,454 km (0.11 R)
• M2: 723,455 km (0.093 R)
• M3: 1,194,240 km (0.108 R)
• M4: 1,936,245 km (0.091 R)
• M5: 2,414,210 km (0.063 R)
• M6: 3,431,027 km (0.113 R)
• M7: 4,217,314 km (0.101 R)
• M8: 4,944,808 km (0.045 R)

Asteroid Belt

Center: 1.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 9.3

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.42 AU - 3.28 AU

Year: 3107 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,503,498 km

• M1: 115,938 km (0.119 R)
• M2: 429,196 km (0.092 R)
• M3: 962,812 km (0.046 R)
• M4: 1,388,418 km (0.1 R)
• M5: 1,735,784 km (0.037 R)
• M6: 2,876,019 km (0.061 R)
• M7: 3,465,734 km (0.069 R)
• M8: 4,565,727 km (0.117 R)
• M9: 5,003,450 km (0.115 R)
• M10: 5,519,713 km (0.116 R)
• M11: 6,745,817 km (0.116 R)
• M12: 7,532,103 km (0.07 R)
• M13: 8,244,189 km (0.084 R)
• M14: 8,651,095 km (0.089 R)
• M15: 9,578,901 km (0.061 R)
• M16: 12,274,056 km (0.117 R)
• M17: 12,895,187 km (0.109 R)
• M18: 13,865,927 km (0.074 R)
• M19: 15,642,402 km (0.088 R)
• M20: 16,425,547 km (0.057 R)
• M21: 20,925,002 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 8.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.59 AU - 4.37 AU

Year: 5127 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,503,498 km

• M1: 108,159 km (0.042 R)
• M2: 532,269 km (0.081 R)
• M3: 881,730 km (0.029 R)
• M4: 1,325,288 km (0.117 R)
• M5: 1,753,885 km (0.101 R)
• M6: 3,482,040 km (0.059 R)
• M7: 4,596,395 km (0.088 R)
• M8: 4,878,835 km (0.081 R)
• M9: 5,850,773 km (0.081 R)
• M10: 6,382,593 km (0.113 R)
• M11: 8,207,388 km (0.057 R)
• M12: 9,729,247 km (0.099 R)
• M13: 11,732,213 km (0.097 R)
• M14: 15,359,961 km (0.064 R)
• M15: 15,674,715 km (0.092 R)
• M16: 17,655,092 km (0.116 R)
• M17: 18,586,488 km (0.038 R)
• M18: 19,064,453 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 4.6

Gravity: 34.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.84 AU - 11.86 AU

Year: 19960 Days

Day: 22.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,503,498 km

• M1: 57,146 km (0.105 R)
• M2: 227,389 km (0.074 R)
• M3: 764,296 km (0.073 R)
• M4: 1,196,185 km (0.103 R)
• M5: 1,531,284 km (0.079 R)
• M6: 1,739,225 km (0.088 R)
• M7: 2,917,009 km (0.107 R)
• M8: 3,700,752 km (0.095 R)
• M9: 3,980,051 km (0.1 R)
• M10: 4,511,273 km (0.066 R)
• M11: 6,476,092 km (0.102 R)
• M12: 8,622,073 km (0.1 R)
• M13: 8,838,093 km (0.105 R)
• M14: 9,113,053 km (0.08 R)
• M15: 14,025,548 km (0.096 R)
• M16: 15,882,357 km (0.115 R)
• M17: 16,125,304 km (0.038 R)
• M18: 20,075,137 km (0.09 R)
• M19: 21,227,938 km (0.116 R)
• M20: 25,832,261 km (0.06 R)
• M21: 26,849,676 km (0.117 R)
• M22: 28,011,005 km (0.074 R)
• M23: 29,084,519 km (0.081 R)
• M24: 32,080,815 km (0.095 R)
• M25: 43,386,524 km (0.105 R)
• M26: 44,340,061 km (0.104 R)
• M27: 47,618,947 km (0.109 R)
• M28: 51,231,885 km (0.083 R)
• M29: 54,470,679 km (0.096 R)
• M30: 63,158,875 km (0.115 R)
• M31: 63,768,935 km (0.113 R)
• M32: 67,088,811 km (0.052 R)
• M33: 68,149,310 km (0.05 R)
• M34: 74,522,179 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 18,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit