🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1 AU - 1.08 AU

Year: 395 Days

Day: 18.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 22,326,183 km

• M1: 197,170 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.8 AU - 1.3 AU

Year: 401 Days

Day: 25.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.14 AU - 1.38 AU

Year: 527 Days

Day: 18 Hours

Environment

Temp: -1 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.78 AU - 2.08 AU

Year: 1000 Days

Day: 20.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,326,183 km

• M1: 1,589,777 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.86 AU - 2.6 AU

Year: 1241 Days

Day: 13.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,326,183 km

• M1: 721,959 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.59 AU - 3.75 AU

Year: 2104 Days

Day: 31.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,326,183 km

• M1: 532,718 km (0.062 R)
• M2: 1,263,354 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.72 AU - 3.88 AU

Year: 2235 Days

Day: 34.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,326,183 km

• M1: 2,059,364 km (0.082 R)
• M2: 2,427,525 km (0.085 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.81 AU - 4.65 AU

Year: 3243 Days

Day: 42.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 8.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.94 AU - 6 AU

Year: 5438 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 22,326,183 km

• M1: 107,710 km (0.086 R)
• M2: 163,959 km (0.074 R)
• M3: 226,940 km (0.111 R)
• M4: 384,467 km (0.107 R)
• M5: 491,130 km (0.114 R)
• M6: 562,039 km (0.065 R)
• M7: 666,159 km (0.119 R)
• M8: 746,045 km (0.081 R)
• M9: 916,437 km (0.1 R)
• M10: 1,147,266 km (0.115 R)
• M11: 1,332,618 km (0.117 R)
• M12: 1,435,541 km (0.091 R)
• M13: 1,567,935 km (0.103 R)
• M14: 1,859,502 km (0.09 R)
• M15: 2,004,462 km (0.081 R)
• M16: 2,244,118 km (0.051 R)
• M17: 2,508,906 km (0.11 R)
• M18: 2,718,343 km (0.098 R)
• M19: 3,119,864 km (0.104 R)
• M20: 3,450,924 km (0.083 R)
• M21: 3,702,248 km (0.094 R)
• M22: 3,885,505 km (0.084 R)
• M23: 3,959,556 km (0.109 R)
• M24: 4,165,852 km (0.108 R)
• M25: 4,222,699 km (0.078 R)
• M26: 4,317,993 km (0.117 R)
• M27: 4,549,870 km (0.118 R)
• M28: 4,766,039 km (0.12 R)
• M29: 4,885,418 km (0.109 R)
• M30: 4,985,499 km (0.057 R)
• M31: 5,393,153 km (0.116 R)
• M32: 5,455,236 km (0.069 R)
• M33: 6,024,755 km (0.103 R)
• M34: 6,458,888 km (0.09 R)
• M35: 6,613,123 km (0.105 R)
• M36: 7,197,004 km (0.111 R)
• M37: 7,357,074 km (0.107 R)
• M38: 7,657,466 km (0.078 R)
• M39: 7,797,490 km (0.059 R)
• M40: 7,914,775 km (0.104 R)
• M41: 8,056,294 km (0.077 R)
• M42: 8,630,900 km (0.107 R)
• M43: 9,367,669 km (0.095 R)
• M44: 9,567,532 km (0.101 R)
• M45: 10,150,216 km (0.109 R)
• M46: 10,484,567 km (0.066 R)
• M47: 10,822,508 km (0.038 R)
• M48: 10,979,736 km (0.044 R)
• M49: 11,322,913 km (0.079 R)
• M50: 11,429,277 km (0.106 R)
• M51: 11,535,941 km (0.095 R)
• M52: 11,777,092 km (0.113 R)
• M53: 12,074,194 km (0.081 R)
• M54: 12,620,675 km (0.115 R)
• M55: 12,924,658 km (0.057 R)
• M56: 12,980,158 km (0.102 R)
• M57: 15,530,802 km (0.105 R)
• M58: 16,665,801 km (0.092 R)
• M59: 16,877,781 km (0.106 R)
• M60: 17,396,288 km (0.109 R)
• M61: 17,920,030 km (0.115 R)
• M62: 18,075,013 km (0.108 R)
• M63: 18,386,476 km (0.065 R)
• M64: 18,888,526 km (0.115 R)
• M65: 19,299,621 km (0.076 R)
• M66: 19,490,359 km (0.112 R)
• M67: 20,130,787 km (0.1 R)
• M68: 20,843,322 km (0.073 R)
• M69: 21,071,758 km (0.108 R)
• M70: 21,695,880 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit