🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 12.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.71 AU - 1.01 AU

Year: 515 Days

Day: 10.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 71.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,553,236 km

• M1: 159,172 km (0.106 R)
• M2: 918,082 km (0.084 R)
• M3: 1,404,874 km (0.11 R)
• M4: 1,848,431 km (0.107 R)
• M5: 2,252,346 km (0.08 R)
• M6: 2,980,887 km (0.098 R)
• M7: 3,585,861 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 9.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.86 AU - 5.52 AU

Year: 6558 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,553,236 km

• M1: 124,166 km (0.12 R)
• M2: 459,714 km (0.107 R)
• M3: 795,412 km (0.066 R)
• M4: 1,269,936 km (0.113 R)
• M5: 1,842,896 km (0.109 R)
• M6: 2,309,642 km (0.041 R)
• M7: 2,687,675 km (0.049 R)
• M8: 4,077,589 km (0.079 R)
• M9: 5,068,525 km (0.063 R)
• M10: 6,180,636 km (0.098 R)
• M11: 7,521,033 km (0.065 R)
• M12: 8,162,359 km (0.091 R)
• M13: 10,215,889 km (0.109 R)
• M14: 11,829,152 km (0.104 R)
• M15: 13,172,541 km (0.103 R)
• M16: 16,407,296 km (0.096 R)
• M17: 23,122,894 km (0.05 R)
• M18: 29,311,758 km (0.082 R)
• M19: 31,182,330 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 8.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.81 AU - 5.11 AU

Year: 7132 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,553,236 km

• M1: 105,466 km (0.106 R)
• M2: 757,863 km (0.108 R)
• M3: 1,395,898 km (0.099 R)
• M4: 1,669,811 km (0.067 R)
• M5: 2,203,726 km (0.092 R)
• M6: 2,592,382 km (0.104 R)
• M7: 2,935,858 km (0.039 R)
• M8: 3,474,261 km (0.057 R)
• M9: 5,489,943 km (0.036 R)
• M10: 5,888,920 km (0.119 R)
• M11: 7,426,038 km (0.109 R)
• M12: 7,856,132 km (0.052 R)
• M13: 8,242,095 km (0.075 R)
• M14: 8,892,397 km (0.031 R)
• M15: 9,846,083 km (0.091 R)
• M16: 11,086,100 km (0.113 R)
• M17: 12,033,354 km (0.085 R)
• M18: 14,218,530 km (0.101 R)
• M19: 15,381,653 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.6

Radius: 3.3

Gravity: 41.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.13 AU - 7.81 AU

Year: 11881 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,553,236 km

• M1: 41,139 km (0.041 R)
• M2: 201,808 km (0.089 R)
• M3: 308,770 km (0.089 R)
• M4: 505,042 km (0.097 R)
• M5: 616,493 km (0.069 R)
• M6: 736,022 km (0.063 R)
• M7: 1,167,911 km (0.078 R)
• M8: 1,688,511 km (0.103 R)
• M9: 2,077,316 km (0.072 R)
• M10: 2,918,355 km (0.081 R)
• M11: 3,282,476 km (0.074 R)
• M12: 3,500,141 km (0.112 R)
• M13: 3,937,266 km (0.111 R)
• M14: 4,239,005 km (0.073 R)
• M15: 4,919,376 km (0.113 R)
• M16: 5,500,265 km (0.113 R)
• M17: 6,455,447 km (0.072 R)
• M18: 6,991,905 km (0.115 R)
• M19: 8,732,925 km (0.113 R)
• M20: 10,025,152 km (0.096 R)
• M21: 10,226,810 km (0.062 R)
• M22: 12,395,231 km (0.098 R)
• M23: 13,586,030 km (0.056 R)
• M24: 15,113,274 km (0.103 R)
• M25: 16,821,981 km (0.071 R)
• M26: 17,906,566 km (0.109 R)
• M27: 18,579,308 km (0.055 R)
• M28: 19,974,906 km (0.066 R)
• M29: 20,374,632 km (0.092 R)
• M30: 24,578,332 km (0.05 R)
• M31: 26,448,305 km (0.116 R)
• M32: 27,614,570 km (0.11 R)
• M33: 34,992,438 km (0.098 R)
• M34: 36,753,354 km (0.081 R)
• M35: 37,353,242 km (0.11 R)
• M36: 37,473,967 km (0.119 R)
• M37: 46,589,265 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.9

Radius: 6.1

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.74 AU - 10.02 AU

Year: 20052 Days

Day: 23.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,553,236 km

• M1: 77,342 km (0.115 R)
• M2: 277,354 km (0.111 R)
• M3: 524,191 km (0.103 R)
• M4: 784,641 km (0.047 R)
• M5: 1,056,161 km (0.086 R)
• M6: 1,331,571 km (0.098 R)
• M7: 1,621,491 km (0.114 R)
• M8: 3,330,198 km (0.119 R)
• M9: 3,986,933 km (0.113 R)
• M10: 4,863,876 km (0.062 R)
• M11: 5,707,009 km (0.096 R)
• M12: 7,445,486 km (0.12 R)
• M13: 8,612,200 km (0.103 R)
• M14: 9,454,735 km (0.066 R)
• M15: 10,008,397 km (0.029 R)
• M16: 10,642,243 km (0.108 R)
• M17: 16,157,617 km (0.099 R)
• M18: 16,470,875 km (0.105 R)
• M19: 17,599,292 km (0.119 R)
• M20: 19,037,825 km (0.115 R)
• M21: 21,199,514 km (0.086 R)
• M22: 22,533,179 km (0.079 R)
• M23: 22,728,105 km (0.119 R)
• M24: 25,052,407 km (0.07 R)
• M25: 26,110,513 km (0.103 R)
• M26: 27,088,135 km (0.06 R)
• M27: 28,315,735 km (0.076 R)
• M28: 29,931,243 km (0.028 R)
• M29: 35,407,422 km (0.108 R)
• M30: 36,738,843 km (0.05 R)
• M31: 39,219,027 km (0.043 R)
• M32: 41,223,638 km (0.103 R)
• M33: 48,613,922 km (0.054 R)
• M34: 53,308,004 km (0.112 R)
• M35: 59,403,220 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 16,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit