🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 12.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.54 AU - 0.84 AU

Year: 376 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 89,916,159 km

• M1: 158,574 km (0.109 R)
• M2: 889,509 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 10.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.14 AU - 1.34 AU

Year: 906 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,916,159 km

• M1: 131,796 km (0.06 R)
• M2: 475,123 km (0.075 R)
• M3: 811,568 km (0.103 R)
• M4: 1,153,250 km (0.089 R)
• M5: 1,519,017 km (0.081 R)
• M6: 2,108,133 km (0.038 R)
• M7: 3,459,451 km (0.099 R)
• M8: 3,841,374 km (0.094 R)
• M9: 4,674,784 km (0.029 R)
• M10: 5,318,055 km (0.082 R)
• M11: 5,885,629 km (0.102 R)
• M12: 6,332,627 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 14.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.24 AU - 3.52 AU

Year: 3206 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,916,159 km

• M1: 175,329 km (0.086 R)
• M2: 642,224 km (0.107 R)
• M3: 1,193,492 km (0.116 R)
• M4: 3,785,275 km (0.044 R)
• M5: 4,322,331 km (0.069 R)
• M6: 5,124,924 km (0.102 R)
• M7: 6,322,305 km (0.118 R)
• M8: 6,866,542 km (0.071 R)
• M9: 8,350,703 km (0.076 R)
• M10: 9,233,929 km (0.108 R)
• M11: 9,765,899 km (0.081 R)
• M12: 10,424,279 km (0.027 R)
• M13: 11,638,266 km (0.063 R)
• M14: 13,400,977 km (0.108 R)
• M15: 13,997,574 km (0.091 R)
• M16: 14,656,403 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.2

Radius: 8

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.96 AU - 12.24 AU

Year: 22640 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,916,159 km

• M1: 100,231 km (0.045 R)
• M2: 402,568 km (0.095 R)
• M3: 807,230 km (0.065 R)
• M4: 1,624,034 km (0.108 R)
• M5: 2,050,089 km (0.089 R)
• M6: 2,405,235 km (0.095 R)
• M7: 2,880,208 km (0.049 R)
• M8: 3,629,693 km (0.087 R)
• M9: 3,884,758 km (0.052 R)
• M10: 4,989,089 km (0.065 R)
• M11: 5,761,912 km (0.031 R)
• M12: 10,731,104 km (0.109 R)
• M13: 12,439,213 km (0.08 R)
• M14: 13,623,130 km (0.062 R)
• M15: 19,210,311 km (0.115 R)
• M16: 19,499,933 km (0.083 R)
• M17: 21,713,084 km (0.111 R)
• M18: 22,988,406 km (0.098 R)
• M19: 28,340,718 km (0.045 R)
• M20: 28,842,021 km (0.1 R)
• M21: 29,605,119 km (0.066 R)
• M22: 36,347,944 km (0.091 R)
• M23: 39,061,799 km (0.031 R)
• M24: 41,424,099 km (0.062 R)
• M25: 45,228,822 km (0.092 R)
• M26: 54,098,330 km (0.097 R)
• M27: 59,448,249 km (0.111 R)
• M28: 61,725,278 km (0.097 R)
• M29: 63,417,529 km (0.114 R)
• M30: 64,275,024 km (0.096 R)
• M31: 64,706,764 km (0.054 R)
• M32: 66,232,812 km (0.103 R)
• M33: 67,559,894 km (0.116 R)
• M34: 69,583,505 km (0.113 R)
• M35: 70,725,086 km (0.095 R)
• M36: 80,061,190 km (0.079 R)
• M37: 81,314,521 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 19,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit