🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.43 AU - 0.65 AU

Year: 152 Days

Day: 43.1 Hours

Environment

Temp: 163 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.59 AU - 0.71 AU

Year: 201 Days

Day: 45 Hours

Environment

Temp: 134 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,203,501 km

• M1: 47,871 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.81 AU - 1.23 AU

Year: 394 Days

Day: 34.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 27.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.26 AU - 1.38 AU

Year: 581 Days

Day: 21.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.17 AU - 1.87 AU

Year: 718 Days

Day: 14.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,203,501 km

• M1: 366,515 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.48 AU - 1.7 AU

Year: 768 Days

Day: 24.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.31 AU - 3.83 AU

Year: 2060 Days

Day: 19.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 12.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.17 AU - 5.67 AU

Year: 4831 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 23,203,501 km

• M1: 298,747 km (0.119 R)
• M2: 656,286 km (0.117 R)
• M3: 797,357 km (0.095 R)
• M4: 983,606 km (0.111 R)
• M5: 1,064,838 km (0.109 R)
• M6: 1,361,640 km (0.044 R)
• M7: 1,643,183 km (0.043 R)
• M8: 1,741,319 km (0.116 R)
• M9: 2,185,026 km (0.09 R)
• M10: 2,484,222 km (0.118 R)
• M11: 2,581,461 km (0.103 R)
• M12: 2,796,732 km (0.12 R)
• M13: 2,915,214 km (0.102 R)
• M14: 3,052,694 km (0.048 R)
• M15: 3,209,922 km (0.051 R)
• M16: 3,369,991 km (0.096 R)
• M17: 3,587,507 km (0.092 R)
• M18: 3,791,109 km (0.115 R)
• M19: 3,884,907 km (0.115 R)
• M20: 4,017,600 km (0.083 R)
• M21: 4,151,790 km (0.051 R)
• M22: 4,229,132 km (0.09 R)
• M23: 4,365,715 km (0.095 R)
• M24: 4,784,439 km (0.071 R)
• M25: 5,112,058 km (0.056 R)
• M26: 5,617,550 km (0.111 R)
• M27: 5,876,354 km (0.115 R)
• M28: 6,161,039 km (0.086 R)
• M29: 6,996,393 km (0.073 R)
• M30: 7,112,032 km (0.115 R)
• M31: 7,486,476 km (0.073 R)
• M32: 7,676,016 km (0.066 R)
• M33: 7,795,395 km (0.06 R)
• M34: 8,157,123 km (0.119 R)
• M35: 8,278,896 km (0.105 R)
• M36: 8,425,950 km (0.116 R)
• M37: 8,772,270 km (0.044 R)
• M38: 8,972,282 km (0.067 R)
• M39: 9,224,504 km (0.108 R)
• M40: 9,607,175 km (0.067 R)
• M41: 10,177,891 km (0.061 R)
• M42: 10,414,555 km (0.067 R)
• M43: 10,493,842 km (0.076 R)
• M44: 10,573,278 km (0.079 R)
• M45: 10,679,642 km (0.053 R)
• M46: 10,920,196 km (0.108 R)
• M47: 11,027,607 km (0.052 R)
• M48: 11,135,467 km (0.071 R)
• M49: 11,297,930 km (0.091 R)
• M50: 11,488,368 km (0.047 R)
• M51: 12,038,589 km (0.04 R)
• M52: 12,484,840 km (0.041 R)
• M53: 12,851,504 km (0.114 R)
• M54: 14,737,634 km (0.114 R)
• M55: 14,856,565 km (0.072 R)
• M56: 15,035,484 km (0.079 R)
• M57: 15,365,347 km (0.114 R)
• M58: 15,727,972 km (0.083 R)
• M59: 16,708,885 km (0.05 R)
• M60: 17,206,747 km (0.052 R)
• M61: 17,394,642 km (0.118 R)
• M62: 18,089,674 km (0.042 R)
• M63: 18,248,995 km (0.078 R)
• M64: 18,955,097 km (0.098 R)
• M65: 19,181,738 km (0.108 R)
• M66: 19,965,332 km (0.096 R)
• M67: 20,195,862 km (0.104 R)
• M68: 20,328,107 km (0.088 R)
• M69: 20,926,349 km (0.108 R)
• M70: 21,060,089 km (0.049 R)
• M71: 21,294,659 km (0.051 R)
• M72: 21,395,637 km (0.063 R)
• M73: 22,686,816 km (0.048 R)
• M74: 23,203,527 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 14,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit