🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.19 AU - 1.61 AU

Year: 614 Days

Day: 35.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.15 AU - 1.89 AU

Year: 695 Days

Day: 39.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.65 AU - 2.35 AU

Year: 1049 Days

Day: 31.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.65 AU - 3.03 AU

Year: 1775 Days

Day: 31.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,053,705 km

• M1: 957,426 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.82 AU - 4.12 AU

Year: 2397 Days

Day: 41.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.34 AU - 4.7 AU

Year: 3564 Days

Day: 29 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,053,705 km

• M1: 37,848 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.3

Radius: 14.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.48 AU - 10.64 AU

Year: 11833 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,053,705 km

• M1: 180,265 km (0.114 R)
• M2: 1,055,862 km (0.114 R)
• M3: 1,557,164 km (0.077 R)
• M4: 4,147,302 km (0.112 R)
• M5: 5,325,535 km (0.071 R)
• M6: 9,611,514 km (0.076 R)
• M7: 11,759,739 km (0.102 R)
• M8: 13,780,956 km (0.114 R)
• M9: 14,430,211 km (0.097 R)
• M10: 18,502,863 km (0.062 R)
• M11: 21,297,950 km (0.101 R)
• M12: 22,758,922 km (0.068 R)
• M13: 24,835,939 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.3

Radius: 4.2

Gravity: 31.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 15.38 AU - 18.02 AU

Year: 25309 Days

Day: 17.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,053,705 km

• M1: 52,210 km (0.05 R)
• M2: 270,323 km (0.096 R)
• M3: 418,276 km (0.069 R)
• M4: 736,321 km (0.12 R)
• M5: 948,151 km (0.107 R)
• M6: 1,102,088 km (0.117 R)
• M7: 1,993,990 km (0.087 R)
• M8: 2,573,083 km (0.069 R)
• M9: 3,490,268 km (0.069 R)
• M10: 3,703,146 km (0.105 R)
• M11: 4,022,388 km (0.05 R)
• M12: 4,788,777 km (0.09 R)
• M13: 4,975,775 km (0.11 R)
• M14: 6,027,597 km (0.072 R)
• M15: 6,423,882 km (0.095 R)
• M16: 7,366,349 km (0.075 R)
• M17: 8,026,375 km (0.092 R)
• M18: 9,817,211 km (0.088 R)
• M19: 14,943,182 km (0.075 R)
• M20: 15,102,204 km (0.075 R)
• M21: 15,749,365 km (0.034 R)
• M22: 17,980,617 km (0.04 R)
• M23: 21,810,622 km (0.082 R)
• M24: 24,571,600 km (0.057 R)
• M25: 29,136,130 km (0.085 R)
• M26: 30,646,769 km (0.058 R)
• M27: 32,474,107 km (0.088 R)
• M28: 33,414,480 km (0.093 R)
• M29: 34,650,008 km (0.104 R)
• M30: 41,600,026 km (0.074 R)
• M31: 43,836,664 km (0.066 R)
• M32: 45,984,291 km (0.091 R)
• M33: 49,247,469 km (0.074 R)
• M34: 50,131,294 km (0.046 R)
• M35: 52,845,747 km (0.093 R)
• M36: 54,145,453 km (0.082 R)
• M37: 54,520,645 km (0.12 R)
• M38: 55,466,253 km (0.084 R)
• M39: 66,171,028 km (0.097 R)
• M40: 70,543,624 km (0.047 R)
• M41: 74,177,207 km (0.113 R)
• M42: 77,219,878 km (0.117 R)
• M43: 80,588,523 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 11,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit