🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 12.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,898,878 km

• M1: 159,322 km (0.03 R)
• M2: 776,263 km (0.116 R)
• M3: 1,261,559 km (0.064 R)
• M4: 1,832,275 km (0.057 R)
• M5: 2,455,350 km (0.093 R)
• M6: 3,001,382 km (0.12 R)
• M7: 3,405,745 km (0.118 R)
• M8: 3,899,568 km (0.067 R)
• M9: 5,522,705 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 9.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.53 AU - 2.19 AU

Year: 1692 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,898,878 km

• M1: 124,465 km (0.087 R)
• M2: 559,795 km (0.058 R)
• M3: 857,645 km (0.119 R)
• M4: 1,362,687 km (0.1 R)
• M5: 1,802,654 km (0.074 R)
• M6: 2,914,167 km (0.053 R)
• M7: 3,684,147 km (0.072 R)
• M8: 3,992,468 km (0.074 R)
• M9: 4,760,354 km (0.119 R)
• M10: 5,190,149 km (0.093 R)
• M11: 5,803,500 km (0.094 R)
• M12: 6,175,101 km (0.074 R)
• M13: 6,562,709 km (0.111 R)
• M14: 8,277,998 km (0.029 R)
• M15: 9,396,093 km (0.104 R)
• M16: 10,073,921 km (0.106 R)
• M17: 10,646,132 km (0.077 R)
• M18: 11,418,805 km (0.111 R)
• M19: 12,003,883 km (0.12 R)
• M20: 12,341,675 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 8.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.72 AU - 2.34 AU

Year: 1929 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,898,878 km

• M1: 108,159 km (0.033 R)
• M2: 643,720 km (0.065 R)
• M3: 1,348,924 km (0.107 R)
• M4: 1,674,449 km (0.111 R)
• M5: 2,021,366 km (0.105 R)
• M6: 2,301,414 km (0.03 R)
• M7: 3,616,678 km (0.113 R)
• M8: 3,917,669 km (0.105 R)
• M9: 4,321,882 km (0.11 R)
• M10: 6,658,152 km (0.118 R)
• M11: 7,409,583 km (0.106 R)
• M12: 8,108,953 km (0.043 R)
• M13: 9,051,419 km (0.074 R)
• M14: 10,314,474 km (0.106 R)
• M15: 10,695,949 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.1

Radius: 4.9

Gravity: 21.75 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.58 AU - 10.28 AU

Year: 16322 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 42,898,878 km

• M1: 61,485 km (0.098 R)
• M2: 538,852 km (0.098 R)
• M3: 1,008,439 km (0.059 R)
• M4: 1,420,731 km (0.112 R)
• M5: 1,714,541 km (0.066 R)
• M6: 2,507,859 km (0.094 R)
• M7: 2,728,216 km (0.037 R)
• M8: 3,033,845 km (0.117 R)
• M9: 4,585,474 km (0.119 R)
• M10: 4,814,957 km (0.111 R)
• M11: 5,226,202 km (0.033 R)
• M12: 5,848,230 km (0.063 R)
• M13: 6,040,313 km (0.105 R)
• M14: 8,636,135 km (0.106 R)
• M15: 10,039,663 km (0.099 R)
• M16: 10,539,469 km (0.094 R)
• M17: 11,113,925 km (0.088 R)
• M18: 12,705,347 km (0.07 R)
• M19: 13,555,213 km (0.026 R)
• M20: 13,824,190 km (0.115 R)
• M21: 15,150,824 km (0.115 R)
• M22: 15,733,806 km (0.11 R)
• M23: 16,331,899 km (0.041 R)
• M24: 16,867,310 km (0.037 R)
• M25: 17,812,469 km (0.117 R)
• M26: 19,980,441 km (0.102 R)
• M27: 24,235,902 km (0.093 R)
• M28: 24,932,280 km (0.103 R)
• M29: 26,573,818 km (0.05 R)
• M30: 29,730,482 km (0.092 R)
• M31: 31,223,320 km (0.099 R)
• M32: 33,616,287 km (0.062 R)
• M33: 40,127,983 km (0.025 R)
• M34: 40,543,417 km (0.105 R)
• M35: 41,665,251 km (0.076 R)
• M36: 45,005,622 km (0.115 R)
• M37: 47,586,185 km (0.05 R)
• M38: 53,875,878 km (0.096 R)
• M39: 54,044,026 km (0.058 R)
• M40: 56,262,263 km (0.115 R)
• M41: 57,131,277 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153

Radius: 8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.01 AU - 10.93 AU

Year: 17915 Days

Day: 20.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,898,878 km

• M1: 99,483 km (0.086 R)
• M2: 402,418 km (0.087 R)
• M3: 669,301 km (0.058 R)
• M4: 1,187,059 km (0.03 R)
• M5: 2,503,969 km (0.105 R)
• M6: 2,921,646 km (0.087 R)
• M7: 3,180,600 km (0.113 R)
• M8: 4,211,330 km (0.065 R)
• M9: 4,982,207 km (0.118 R)
• M10: 6,507,507 km (0.05 R)
• M11: 7,259,087 km (0.101 R)
• M12: 9,577,256 km (0.038 R)
• M13: 13,320,942 km (0.082 R)
• M14: 17,232,777 km (0.082 R)
• M15: 22,260,163 km (0.059 R)
• M16: 30,373,604 km (0.09 R)
• M17: 30,680,429 km (0.116 R)
• M18: 32,033,990 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit