🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.5 AU - 0.6 AU

Year: 155 Days

Day: 37.9 Hours

Environment

Temp: 160 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,812,937 km

• M1: 40,541 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.72 AU

Year: 1346 Days

Day: 33.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,812,937 km

• M1: 1,564,794 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.71 AU - 2.87 AU

Year: 1775 Days

Day: 35.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,812,937 km

• M1: 220,806 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.92 AU - 3.8 AU

Year: 2345 Days

Day: 15.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,812,937 km

• M1: 26,928 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 15

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.23 AU - 4.69 AU

Year: 3587 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,812,937 km

• M1: 187,297 km (0.077 R)
• M2: 1,119,590 km (0.118 R)
• M3: 1,599,052 km (0.09 R)
• M4: 2,317,121 km (0.071 R)
• M5: 3,598,577 km (0.086 R)
• M6: 4,681,516 km (0.102 R)
• M7: 5,337,652 km (0.025 R)
• M8: 7,650,286 km (0.079 R)
• M9: 8,564,029 km (0.071 R)
• M10: 9,398,785 km (0.116 R)
• M11: 9,971,895 km (0.069 R)
• M12: 11,659,060 km (0.091 R)
• M13: 12,502,492 km (0.088 R)
• M14: 14,361,246 km (0.11 R)
• M15: 15,540,376 km (0.118 R)
• M16: 18,033,275 km (0.113 R)
• M17: 18,621,494 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.9

Radius: 8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.19 AU - 16.17 AU

Year: 19268 Days

Day: 19.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,812,937 km

• M1: 99,931 km (0.102 R)
• M2: 412,741 km (0.037 R)
• M3: 826,079 km (0.07 R)
• M4: 1,090,868 km (0.071 R)
• M5: 1,470,846 km (0.116 R)
• M6: 2,394,464 km (0.102 R)
• M7: 4,088,959 km (0.076 R)
• M8: 5,686,514 km (0.087 R)
• M9: 5,950,255 km (0.066 R)
• M10: 10,165,475 km (0.118 R)
• M11: 14,658,796 km (0.084 R)
• M12: 18,214,887 km (0.093 R)
• M13: 20,940,860 km (0.079 R)
• M14: 28,153,422 km (0.103 R)
• M15: 33,580,683 km (0.08 R)
• M16: 49,553,995 km (0.105 R)
• M17: 56,522,264 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.8

Radius: 6.1

Gravity: 25.63 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 14.46 AU - 16.84 AU

Year: 23576 Days

Day: 21.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,812,937 km

• M1: 75,846 km (0.116 R)
• M2: 395,537 km (0.115 R)
• M3: 978,520 km (0.072 R)
• M4: 1,305,391 km (0.101 R)
• M5: 1,818,961 km (0.111 R)
• M6: 2,582,957 km (0.046 R)
• M7: 3,065,260 km (0.103 R)
• M8: 5,152,151 km (0.104 R)
• M9: 6,994,897 km (0.118 R)
• M10: 8,201,105 km (0.09 R)
• M11: 8,594,248 km (0.116 R)
• M12: 12,349,454 km (0.106 R)
• M13: 15,751,908 km (0.077 R)
• M14: 16,713,224 km (0.119 R)
• M15: 17,344,976 km (0.066 R)
• M16: 19,139,851 km (0.113 R)
• M17: 19,335,674 km (0.075 R)
• M18: 24,104,555 km (0.113 R)
• M19: 24,678,562 km (0.085 R)
• M20: 25,853,654 km (0.119 R)
• M21: 30,260,208 km (0.117 R)
• M22: 33,840,235 km (0.057 R)
• M23: 36,628,141 km (0.081 R)
• M24: 40,203,081 km (0.054 R)
• M25: 41,663,157 km (0.11 R)
• M26: 43,158,238 km (0.116 R)
• M27: 47,319,153 km (0.108 R)
• M28: 57,642,453 km (0.086 R)
• M29: 58,051,155 km (0.096 R)
• M30: 59,289,077 km (0.065 R)
• M31: 61,391,077 km (0.109 R)
• M32: 74,328,600 km (0.1 R)
• M33: 76,278,309 km (0.079 R)
• M34: 76,524,397 km (0.108 R)
• M35: 80,789,133 km (0.039 R)
• M36: 82,331,338 km (0.107 R)
• M37: 87,075,834 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 19,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit