🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 142 Days

Day: 31.4 Hours

Environment

Temp: 194 °C

Axial Tilt: 4.9 °

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: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.51 AU - 0.79 AU

Year: 192 Days

Day: 46.4 Hours

Environment

Temp: 132 °C

Axial Tilt: 52.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,381,353 km

• M1: 109,655 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.89 AU - 0.99 AU

Year: 335 Days

Day: 35.5 Hours

Environment

Temp: 44 °C

Axial Tilt: 119.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.8 AU - 1.1 AU

Year: 340 Days

Day: 34.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.01 AU - 1.57 AU

Year: 538 Days

Day: 18.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.46 AU - 4.44 AU

Year: 2882 Days

Day: 25.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 13.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.73 AU - 4.97 AU

Year: 3921 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,381,353 km

• M1: 173,534 km (0.104 R)
• M2: 648,806 km (0.086 R)
• M3: 1,204,113 km (0.11 R)
• M4: 1,739,674 km (0.115 R)
• M5: 2,200,585 km (0.081 R)
• M6: 2,939,449 km (0.096 R)
• M7: 3,801,880 km (0.081 R)
• M8: 4,323,378 km (0.117 R)
• M9: 4,870,607 km (0.036 R)
• M10: 5,322,842 km (0.097 R)
• M11: 6,028,794 km (0.091 R)
• M12: 7,305,163 km (0.052 R)
• M13: 8,591,855 km (0.084 R)
• M14: 9,530,432 km (0.094 R)
• M15: 11,065,007 km (0.112 R)
• M16: 11,611,488 km (0.081 R)
• M17: 12,801,090 km (0.049 R)
• M18: 13,845,732 km (0.109 R)
• M19: 16,353,590 km (0.118 R)
• M20: 16,858,633 km (0.109 R)

Asteroid Belt

Center: 6.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.2

Radius: 14.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.28 AU - 7.82 AU

Year: 7615 Days

Day: 13.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,381,353 km

• M1: 180,415 km (0.111 R)
• M2: 761,752 km (0.076 R)
• M3: 1,955,992 km (0.114 R)
• M4: 4,579,490 km (0.12 R)
• M5: 5,094,256 km (0.115 R)
• M6: 6,309,889 km (0.081 R)
• M7: 8,317,941 km (0.083 R)
• M8: 11,636,022 km (0.085 R)
• M9: 16,074,142 km (0.09 R)
• M10: 17,270,625 km (0.118 R)
• M11: 21,849,367 km (0.09 R)
• M12: 23,233,746 km (0.087 R)
• M13: 27,180,437 km (0.095 R)
• M14: 28,877,176 km (0.112 R)
• M15: 30,543,696 km (0.089 R)
• M16: 31,655,657 km (0.079 R)
• M17: 32,585,408 km (0.114 R)
• M18: 35,373,763 km (0.107 R)
• M19: 36,039,174 km (0.103 R)
• M20: 37,970,034 km (0.087 R)
• M21: 39,137,496 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 14.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.62 AU - 9.38 AU

Year: 9097 Days

Day: 11.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,381,353 km

• M1: 179,368 km (0.034 R)
• M2: 849,417 km (0.085 R)
• M3: 1,397,394 km (0.094 R)
• M4: 2,031,988 km (0.088 R)
• M5: 3,270,060 km (0.077 R)
• M6: 4,715,923 km (0.111 R)
• M7: 7,858,376 km (0.11 R)
• M8: 10,933,061 km (0.096 R)
• M9: 11,551,648 km (0.096 R)
• M10: 12,666,452 km (0.063 R)
• M11: 15,218,143 km (0.047 R)
• M12: 17,021,096 km (0.073 R)
• M13: 18,712,150 km (0.099 R)
• M14: 19,215,248 km (0.048 R)
• M15: 20,712,274 km (0.062 R)
• M16: 24,381,910 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.9

Radius: 7.1

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 14.57 AU - 16.07 AU

Year: 22012 Days

Day: 16.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,381,353 km

• M1: 88,861 km (0.101 R)
• M2: 336,146 km (0.052 R)
• M3: 1,468,154 km (0.094 R)
• M4: 1,970,204 km (0.097 R)
• M5: 2,440,540 km (0.119 R)
• M6: 3,227,424 km (0.114 R)
• M7: 6,284,906 km (0.093 R)
• M8: 7,496,200 km (0.088 R)
• M9: 8,001,093 km (0.089 R)
• M10: 8,367,757 km (0.075 R)
• M11: 8,691,038 km (0.1 R)
• M12: 9,248,290 km (0.105 R)
• M13: 10,189,111 km (0.116 R)
• M14: 12,397,624 km (0.119 R)
• M15: 13,539,804 km (0.082 R)
• M16: 16,279,988 km (0.107 R)
• M17: 17,126,114 km (0.073 R)
• M18: 19,275,835 km (0.115 R)
• M19: 20,609,650 km (0.086 R)
• M20: 21,298,997 km (0.077 R)
• M21: 22,828,037 km (0.086 R)
• M22: 24,428,883 km (0.034 R)
• M23: 25,762,399 km (0.093 R)
• M24: 28,694,966 km (0.101 R)
• M25: 36,198,197 km (0.038 R)
• M26: 43,611,519 km (0.055 R)
• M27: 43,933,903 km (0.093 R)
• M28: 44,910,627 km (0.072 R)
• M29: 47,076,505 km (0.046 R)
• M30: 47,415,793 km (0.098 R)
• M31: 49,485,629 km (0.067 R)
• M32: 50,012,363 km (0.112 R)
• M33: 69,786,958 km (0.073 R)
• M34: 73,596,019 km (0.12 R)
• M35: 74,512,007 km (0.033 R)
• M36: 79,206,089 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 18,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit