🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.57 AU - 0.61 AU

Year: 196 Days

Day: 30.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 57.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,751,240 km

• M1: 252,671 km (0.117 R)
• M2: 550,071 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.62 AU - 0.62 AU

Year: 212 Days

Day: 42.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.67 AU - 0.75 AU

Year: 259 Days

Day: 36.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.87 AU - 0.97 AU

Year: 383 Days

Day: 44.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 12.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.57 AU - 4.01 AU

Year: 3198 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,751,240 km

• M1: 157,975 km (0.042 R)
• M2: 746,493 km (0.103 R)
• M3: 1,190,949 km (0.068 R)
• M4: 2,253,243 km (0.066 R)
• M5: 3,051,049 km (0.113 R)
• M6: 3,507,322 km (0.097 R)
• M7: 4,111,099 km (0.098 R)
• M8: 5,206,455 km (0.09 R)
• M9: 5,629,218 km (0.062 R)
• M10: 6,183,030 km (0.029 R)
• M11: 7,037,383 km (0.109 R)
• M12: 7,555,440 km (0.115 R)
• M13: 8,498,206 km (0.07 R)
• M14: 9,481,363 km (0.072 R)
• M15: 11,589,796 km (0.09 R)
• M16: 14,376,954 km (0.087 R)
• M17: 15,414,565 km (0.085 R)
• M18: 15,874,428 km (0.09 R)
• M19: 16,982,799 km (0.06 R)
• M20: 17,917,487 km (0.067 R)
• M21: 19,118,907 km (0.073 R)
• M22: 20,679,961 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 8.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.93 AU - 5.33 AU

Year: 4318 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,751,240 km

• M1: 112,946 km (0.101 R)
• M2: 507,137 km (0.048 R)
• M3: 2,669,574 km (0.089 R)
• M4: 3,625,504 km (0.099 R)
• M5: 8,306,871 km (0.115 R)
• M6: 9,372,755 km (0.039 R)
• M7: 10,132,413 km (0.083 R)
• M8: 11,120,059 km (0.096 R)
• M9: 13,328,123 km (0.098 R)
• M10: 13,715,282 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.1

Radius: 3.7

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.84 AU - 11.7 AU

Year: 15321 Days

Day: 16.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,751,240 km

• M1: 48,320 km (0.073 R)
• M2: 193,580 km (0.044 R)
• M3: 333,154 km (0.104 R)
• M4: 509,231 km (0.088 R)
• M5: 866,172 km (0.099 R)
• M6: 1,010,085 km (0.119 R)
• M7: 1,321,847 km (0.082 R)
• M8: 1,567,786 km (0.116 R)
• M9: 2,325,349 km (0.095 R)
• M10: 2,928,229 km (0.101 R)
• M11: 3,187,332 km (0.119 R)
• M12: 6,077,862 km (0.065 R)
• M13: 6,644,240 km (0.116 R)
• M14: 7,361,262 km (0.036 R)
• M15: 7,758,744 km (0.045 R)
• M16: 11,521,280 km (0.066 R)
• M17: 11,786,966 km (0.115 R)
• M18: 12,777,005 km (0.102 R)
• M19: 13,761,957 km (0.102 R)
• M20: 14,181,729 km (0.065 R)
• M21: 15,556,832 km (0.085 R)
• M22: 16,611,048 km (0.105 R)
• M23: 17,018,403 km (0.088 R)
• M24: 19,229,609 km (0.082 R)
• M25: 20,211,271 km (0.049 R)
• M26: 21,785,938 km (0.119 R)
• M27: 24,735,260 km (0.032 R)
• M28: 26,904,429 km (0.1 R)
• M29: 28,806,416 km (0.075 R)
• M30: 40,765,420 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472

Radius: 3.2

Gravity: 46.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 12.94 AU - 13.38 AU

Year: 20694 Days

Day: 23.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,751,240 km

• M1: 40,541 km (0.113 R)
• M2: 271,670 km (0.077 R)
• M3: 2,126,683 km (0.082 R)
• M4: 2,985,824 km (0.107 R)
• M5: 4,570,514 km (0.058 R)
• M6: 4,740,906 km (0.066 R)
• M7: 9,370,511 km (0.071 R)
• M8: 10,153,955 km (0.087 R)
• M9: 10,980,035 km (0.109 R)
• M10: 14,586,540 km (0.118 R)
• M11: 17,550,224 km (0.072 R)
• M12: 17,716,427 km (0.068 R)
• M13: 18,052,125 km (0.115 R)
• M14: 22,710,453 km (0.119 R)
• M15: 25,579,441 km (0.103 R)
• M16: 27,770,601 km (0.113 R)
• M17: 29,964,902 km (0.075 R)
• M18: 34,434,438 km (0.066 R)
• M19: 42,685,658 km (0.119 R)
• M20: 43,288,388 km (0.108 R)
• M21: 47,024,595 km (0.117 R)
• M22: 48,642,645 km (0.062 R)
• M23: 54,598,286 km (0.107 R)
• M24: 56,204,518 km (0.101 R)
• M25: 59,137,534 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 12,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit