🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.88 AU - 1.08 AU

Year: 371 Days

Day: 39.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.16 AU

Year: 389 Days

Day: 19.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,361,330 km

• M1: 848,220 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.5 AU - 2 AU

Year: 886 Days

Day: 34 Hours

Environment

Temp: -62 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.17 AU - 3.39 AU

Year: 1775 Days

Day: 19.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 12.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.34 AU - 8.52 AU

Year: 7754 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,361,330 km

• M1: 163,810 km (0.106 R)
• M2: 827,875 km (0.104 R)
• M3: 1,462,469 km (0.027 R)
• M4: 1,968,708 km (0.115 R)
• M5: 2,440,689 km (0.113 R)
• M6: 3,573,893 km (0.119 R)
• M7: 4,382,170 km (0.105 R)
• M8: 5,224,406 km (0.101 R)
• M9: 8,368,505 km (0.095 R)
• M10: 9,287,335 km (0.114 R)
• M11: 9,965,313 km (0.101 R)
• M12: 10,495,188 km (0.114 R)
• M13: 10,997,538 km (0.097 R)
• M14: 14,025,548 km (0.1 R)
• M15: 14,467,460 km (0.117 R)
• M16: 15,437,453 km (0.099 R)
• M17: 16,695,122 km (0.077 R)
• M18: 17,129,106 km (0.107 R)
• M19: 18,941,185 km (0.037 R)
• M20: 19,481,682 km (0.109 R)
• M21: 20,102,064 km (0.113 R)
• M22: 21,894,396 km (0.077 R)
• M23: 22,339,899 km (0.035 R)
• M24: 24,262,082 km (0.081 R)
• M25: 25,712,732 km (0.088 R)
• M26: 26,711,448 km (0.114 R)
• M27: 27,135,259 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 9.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.77 AU - 8.65 AU

Year: 8197 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,361,330 km

• M1: 124,017 km (0.075 R)
• M2: 1,676,693 km (0.106 R)
• M3: 3,107,597 km (0.077 R)
• M4: 4,326,969 km (0.066 R)
• M5: 5,301,150 km (0.096 R)
• M6: 6,534,734 km (0.083 R)
• M7: 7,984,487 km (0.072 R)
• M8: 9,138,485 km (0.055 R)
• M9: 9,914,150 km (0.109 R)
• M10: 10,441,483 km (0.06 R)
• M11: 15,571,642 km (0.079 R)
• M12: 18,372,414 km (0.094 R)
• M13: 22,932,157 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.8

Radius: 5.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.86 AU - 14.36 AU

Year: 16136 Days

Day: 20.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,361,330 km

• M1: 219,759 km (0.04 R)
• M2: 1,695,243 km (0.114 R)
• M3: 2,008,501 km (0.079 R)
• M4: 3,141,854 km (0.062 R)
• M5: 3,987,382 km (0.114 R)
• M6: 4,515,013 km (0.12 R)
• M7: 5,800,358 km (0.084 R)
• M8: 6,180,636 km (0.09 R)
• M9: 8,534,858 km (0.039 R)
• M10: 11,772,455 km (0.114 R)
• M11: 12,641,319 km (0.092 R)
• M12: 15,087,394 km (0.071 R)
• M13: 17,569,522 km (0.107 R)
• M14: 18,566,442 km (0.098 R)
• M15: 21,557,801 km (0.119 R)
• M16: 25,940,271 km (0.052 R)
• M17: 33,121,118 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.5

Radius: 3.4

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 9.9 AU - 14.86 AU

Year: 16678 Days

Day: 22.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,361,330 km

• M1: 42,336 km (0.083 R)
• M2: 191,036 km (0.116 R)
• M3: 1,495,081 km (0.08 R)
• M4: 1,765,255 km (0.052 R)
• M5: 2,019,422 km (0.118 R)
• M6: 4,315,151 km (0.066 R)
• M7: 5,666,468 km (0.037 R)
• M8: 6,284,756 km (0.103 R)
• M9: 6,910,973 km (0.107 R)
• M10: 7,425,889 km (0.093 R)
• M11: 10,868,136 km (0.108 R)
• M12: 12,714,473 km (0.051 R)
• M13: 18,707,513 km (0.08 R)
• M14: 23,223,873 km (0.049 R)
• M15: 27,773,742 km (0.096 R)
• M16: 28,415,816 km (0.031 R)
• M17: 30,304,639 km (0.073 R)
• M18: 32,679,804 km (0.117 R)
• M19: 33,498,254 km (0.073 R)
• M20: 35,603,994 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 10,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit