🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.2 AU - 1.26 AU

Year: 475 Days

Day: 24.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.26 AU - 1.74 AU

Year: 640 Days

Day: 38 Hours

Environment

Temp: -6 °C

Axial Tilt: 71.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.94 AU - 2.26 AU

Year: 1060 Days

Day: 30.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,859,622 km

• M1: 109,506 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.02 AU - 3.3 AU

Year: 1956 Days

Day: 29.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,859,622 km

• M1: 112,049 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 12.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.42 AU - 10.18 AU

Year: 10684 Days

Day: 7.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,859,622 km

• M1: 155,582 km (0.077 R)
• M2: 727,943 km (0.077 R)
• M3: 1,262,307 km (0.111 R)
• M4: 1,664,426 km (0.079 R)
• M5: 2,087,638 km (0.063 R)
• M6: 2,699,643 km (0.05 R)
• M7: 3,157,413 km (0.117 R)
• M8: 4,395,036 km (0.049 R)
• M9: 5,279,758 km (0.094 R)
• M10: 6,422,237 km (0.099 R)
• M11: 8,095,040 km (0.111 R)
• M12: 9,238,117 km (0.114 R)
• M13: 11,046,456 km (0.072 R)
• M14: 12,061,927 km (0.098 R)
• M15: 13,432,243 km (0.114 R)
• M16: 17,520,603 km (0.073 R)
• M17: 18,751,943 km (0.047 R)
• M18: 19,962,789 km (0.089 R)
• M19: 24,435,316 km (0.065 R)
• M20: 27,570,588 km (0.088 R)
• M21: 30,346,377 km (0.055 R)
• M22: 31,276,876 km (0.094 R)
• M23: 33,303,628 km (0.093 R)
• M24: 33,741,201 km (0.086 R)
• M25: 37,499,249 km (0.105 R)
• M26: 41,653,882 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 4.1

Gravity: 50.41 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 13.39 AU - 13.53 AU

Year: 17197 Days

Day: 18.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,859,622 km

• M1: 51,013 km (0.095 R)
• M2: 185,053 km (0.029 R)
• M3: 315,352 km (0.1 R)
• M4: 488,587 km (0.078 R)
• M5: 715,227 km (0.091 R)
• M6: 1,058,555 km (0.072 R)
• M7: 1,440,179 km (0.117 R)
• M8: 1,795,773 km (0.098 R)
• M9: 2,292,587 km (0.119 R)
• M10: 3,789,613 km (0.109 R)
• M11: 4,531,020 km (0.09 R)
• M12: 4,810,320 km (0.107 R)
• M13: 8,787,828 km (0.091 R)
• M14: 9,057,403 km (0.105 R)
• M15: 9,277,013 km (0.118 R)
• M16: 10,015,577 km (0.119 R)
• M17: 12,131,041 km (0.102 R)
• M18: 14,377,552 km (0.077 R)
• M19: 16,073,543 km (0.064 R)
• M20: 16,234,062 km (0.094 R)
• M21: 16,721,900 km (0.114 R)
• M22: 17,471,984 km (0.102 R)
• M23: 18,070,675 km (0.072 R)
• M24: 18,682,979 km (0.112 R)
• M25: 28,645,898 km (0.086 R)
• M26: 32,707,630 km (0.096 R)
• M27: 33,878,532 km (0.099 R)
• M28: 39,567,141 km (0.106 R)
• M29: 43,021,056 km (0.114 R)
• M30: 50,693,183 km (0.111 R)
• M31: 54,578,090 km (0.104 R)
• M32: 62,735,064 km (0.119 R)
• M33: 65,966,228 km (0.038 R)
• M34: 67,831,714 km (0.103 R)
• M35: 69,094,619 km (0.114 R)
• M36: 69,519,028 km (0.115 R)
• M37: 71,234,317 km (0.103 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit