🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.58 AU - 0.92 AU

Year: 235 Days

Day: 41.5 Hours

Environment

Temp: 196 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.93 AU - 1.31 AU

Year: 429 Days

Day: 29.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.09 AU - 1.45 AU

Year: 518 Days

Day: 26.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.81 AU - 2.71 AU

Year: 1229 Days

Day: 25.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,414,680 km

• M1: 67,768 km (0.106 R)

Asteroid Belt

Center: 3.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.45 AU - 5.61 AU

Year: 4080 Days

Day: 9.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,414,680 km

• M1: 141,669 km (0.095 R)
• M2: 495,468 km (0.105 R)
• M3: 1,561,652 km (0.025 R)
• M4: 2,481,829 km (0.078 R)
• M5: 2,979,690 km (0.114 R)
• M6: 3,862,168 km (0.119 R)
• M7: 5,281,852 km (0.028 R)
• M8: 6,020,566 km (0.057 R)
• M9: 10,699,838 km (0.034 R)
• M10: 13,301,495 km (0.09 R)
• M11: 15,609,640 km (0.07 R)
• M12: 19,259,828 km (0.101 R)
• M13: 19,985,827 km (0.095 R)
• M14: 22,273,477 km (0.092 R)
• M15: 25,040,290 km (0.1 R)
• M16: 25,588,267 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 9.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.64 AU - 11.06 AU

Year: 9521 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 97,414,680 km

• M1: 123,269 km (0.065 R)
• M2: 1,064,987 km (0.107 R)
• M3: 1,485,357 km (0.1 R)
• M4: 2,595,523 km (0.079 R)
• M5: 4,162,710 km (0.069 R)
• M6: 4,488,086 km (0.051 R)
• M7: 6,610,730 km (0.05 R)
• M8: 9,933,299 km (0.079 R)
• M9: 10,794,534 km (0.108 R)
• M10: 12,926,602 km (0.111 R)
• M11: 20,767,176 km (0.092 R)
• M12: 22,172,798 km (0.107 R)
• M13: 22,860,200 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.5

Radius: 6.7

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 17.69 AU - 19.01 AU

Year: 28428 Days

Day: 15.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 97,414,680 km

• M1: 83,326 km (0.113 R)
• M2: 392,545 km (0.068 R)
• M3: 1,283,101 km (0.103 R)
• M4: 1,697,188 km (0.117 R)
• M5: 2,844,903 km (0.03 R)
• M6: 3,581,074 km (0.101 R)
• M7: 3,976,760 km (0.116 R)
• M8: 5,216,029 km (0.054 R)
• M9: 8,317,941 km (0.091 R)
• M10: 8,660,221 km (0.116 R)
• M11: 8,952,685 km (0.112 R)
• M12: 9,743,758 km (0.109 R)
• M13: 12,470,030 km (0.091 R)
• M14: 17,638,187 km (0.114 R)
• M15: 19,469,415 km (0.069 R)
• M16: 20,277,094 km (0.087 R)
• M17: 21,001,895 km (0.066 R)
• M18: 27,434,604 km (0.075 R)
• M19: 29,619,930 km (0.104 R)
• M20: 30,687,460 km (0.109 R)
• M21: 31,642,343 km (0.078 R)
• M22: 32,057,477 km (0.063 R)
• M23: 35,511,393 km (0.056 R)
• M24: 39,046,540 km (0.091 R)
• M25: 41,971,777 km (0.091 R)
• M26: 47,166,114 km (0.076 R)
• M27: 51,236,523 km (0.068 R)
• M28: 58,185,045 km (0.068 R)
• M29: 59,646,167 km (0.086 R)
• M30: 66,638,222 km (0.12 R)
• M31: 66,865,162 km (0.05 R)
• M32: 78,120,158 km (0.079 R)
• M33: 87,005,673 km (0.103 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 15,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit