🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.89 AU

Year: 234 Days

Day: 43.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 107,336,300 km

• M1: 103,671 km (0.094 R)
• M2: 250,128 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.81 AU - 0.87 AU

Year: 289 Days

Day: 31.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.3 AU - 4.32 AU

Year: 2787 Days

Day: 40 Hours

Environment

Temp: -122 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.52 AU - 4.8 AU

Year: 3180 Days

Day: 20 Hours

Environment

Temp: -132 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,336,300 km

• M1: 27,077 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 14.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.36 AU - 8.06 AU

Year: 6513 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 107,336,300 km

• M1: 183,108 km (0.084 R)
• M2: 642,972 km (0.046 R)
• M3: 2,002,367 km (0.096 R)
• M4: 2,810,196 km (0.096 R)
• M5: 4,081,778 km (0.107 R)
• M6: 6,685,529 km (0.053 R)
• M7: 7,267,165 km (0.092 R)
• M8: 8,415,179 km (0.118 R)
• M9: 9,094,354 km (0.12 R)
• M10: 9,853,114 km (0.066 R)
• M11: 10,562,657 km (0.036 R)
• M12: 12,794,059 km (0.1 R)
• M13: 13,585,431 km (0.086 R)
• M14: 15,266,014 km (0.096 R)
• M15: 16,645,605 km (0.103 R)
• M16: 18,172,401 km (0.079 R)
• M17: 19,652,223 km (0.085 R)
• M18: 26,890,217 km (0.07 R)
• M19: 28,101,511 km (0.095 R)
• M20: 29,439,215 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 8.7

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.13 AU - 7.27 AU

Year: 7240 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 107,336,300 km

• M1: 110,852 km (0.067 R)
• M2: 412,591 km (0.105 R)
• M3: 879,336 km (0.054 R)
• M4: 1,991,746 km (0.095 R)
• M5: 3,345,457 km (0.078 R)
• M6: 4,682,862 km (0.1 R)
• M7: 5,052,070 km (0.114 R)
• M8: 5,533,027 km (0.114 R)
• M9: 6,345,493 km (0.079 R)
• M10: 6,621,651 km (0.107 R)
• M11: 8,125,259 km (0.071 R)
• M12: 9,043,042 km (0.099 R)
• M13: 9,662,078 km (0.094 R)
• M14: 14,933,308 km (0.074 R)
• M15: 20,627,901 km (0.088 R)
• M16: 28,733,413 km (0.028 R)
• M17: 34,007,486 km (0.064 R)
• M18: 34,429,800 km (0.097 R)
• M19: 35,393,061 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 3.8

Gravity: 60.99 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 14.6 AU - 22.18 AU

Year: 29553 Days

Day: 19.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 107,336,300 km

• M1: 47,423 km (0.045 R)
• M2: 175,030 km (0.084 R)
• M3: 439,070 km (0.085 R)
• M4: 830,567 km (0.099 R)
• M5: 1,040,902 km (0.058 R)
• M6: 1,352,664 km (0.049 R)
• M7: 1,511,986 km (0.075 R)
• M8: 1,644,529 km (0.106 R)
• M9: 1,889,720 km (0.085 R)
• M10: 2,610,184 km (0.096 R)
• M11: 3,212,614 km (0.089 R)
• M12: 4,766,637 km (0.038 R)
• M13: 5,264,349 km (0.065 R)
• M14: 5,796,020 km (0.102 R)
• M15: 6,965,426 km (0.086 R)
• M16: 11,838,577 km (0.12 R)
• M17: 12,747,085 km (0.06 R)
• M18: 16,476,410 km (0.056 R)
• M19: 17,319,693 km (0.055 R)
• M20: 19,811,994 km (0.097 R)
• M21: 32,605,604 km (0.072 R)
• M22: 35,909,174 km (0.105 R)
• M23: 39,264,205 km (0.082 R)
• M24: 42,128,556 km (0.076 R)
• M25: 44,948,625 km (0.077 R)
• M26: 46,404,811 km (0.098 R)
• M27: 51,157,535 km (0.106 R)
• M28: 58,556,047 km (0.099 R)
• M29: 61,838,225 km (0.062 R)
• M30: 73,411,266 km (0.119 R)
• M31: 77,222,720 km (0.116 R)
• M32: 89,159,882 km (0.1 R)
• M33: 93,494,331 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 14,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit