🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.68 AU

Year: 145 Days

Day: 21.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.55 AU - 0.65 AU

Year: 166 Days

Day: 20.2 Hours

Environment

Temp: 239 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.65 AU - 0.73 AU

Year: 204 Days

Day: 39 Hours

Environment

Temp: 144 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,741,953 km

• M1: 243,994 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.09 AU - 1.29 AU

Year: 463 Days

Day: 25.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.29 AU - 1.31 AU

Year: 528 Days

Day: 31.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 74,741,953 km

• M1: 1,116,449 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.77 AU - 1.93 AU

Year: 897 Days

Day: 30.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.73 AU - 2.37 AU

Year: 1046 Days

Day: 14.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.83 AU - 2.47 AU

Year: 1124 Days

Day: 42.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 9.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.17 AU - 6.95 AU

Year: 5317 Days

Day: 11 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,741,953 km

• M1: 122,072 km (0.109 R)
• M2: 427,252 km (0.1 R)
• M3: 769,831 km (0.079 R)
• M4: 1,738,776 km (0.051 R)
• M5: 2,775,788 km (0.081 R)
• M6: 3,439,853 km (0.036 R)
• M7: 4,086,864 km (0.079 R)
• M8: 5,534,972 km (0.096 R)
• M9: 6,013,984 km (0.066 R)
• M10: 7,263,425 km (0.067 R)
• M11: 7,619,169 km (0.048 R)
• M12: 8,174,776 km (0.105 R)
• M13: 8,482,050 km (0.119 R)
• M14: 8,796,953 km (0.119 R)
• M15: 10,808,297 km (0.104 R)
• M16: 12,142,560 km (0.112 R)
• M17: 12,798,098 km (0.113 R)
• M18: 14,736,886 km (0.113 R)
• M19: 16,987,736 km (0.062 R)
• M20: 17,363,077 km (0.063 R)
• M21: 21,137,132 km (0.089 R)
• M22: 22,607,978 km (0.083 R)
• M23: 23,677,304 km (0.069 R)
• M24: 24,461,645 km (0.095 R)
• M25: 25,263,041 km (0.106 R)
• M26: 26,247,844 km (0.109 R)
• M27: 28,032,397 km (0.033 R)
• M28: 29,715,523 km (0.1 R)
• M29: 30,443,915 km (0.092 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 11.2

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 10.03 AU - 15.65 AU

Year: 16400 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,741,953 km

• M1: 139,276 km (0.115 R)
• M2: 745,147 km (0.109 R)
• M3: 1,119,890 km (0.041 R)
• M4: 2,493,348 km (0.068 R)
• M5: 2,943,936 km (0.112 R)
• M6: 3,796,944 km (0.116 R)
• M7: 4,807,178 km (0.055 R)
• M8: 5,394,649 km (0.109 R)
• M9: 5,988,403 km (0.113 R)
• M10: 6,847,244 km (0.054 R)
• M11: 7,259,685 km (0.088 R)
• M12: 8,338,286 km (0.054 R)
• M13: 8,916,183 km (0.074 R)
• M14: 14,922,238 km (0.103 R)
• M15: 18,005,301 km (0.053 R)
• M16: 21,199,664 km (0.101 R)
• M17: 22,981,225 km (0.115 R)
• M18: 26,953,348 km (0.119 R)
• M19: 27,408,424 km (0.074 R)
• M20: 34,197,924 km (0.067 R)
• M21: 35,135,154 km (0.112 R)
• M22: 39,056,563 km (0.078 R)
• M23: 43,105,280 km (0.111 R)
• M24: 43,727,906 km (0.102 R)
• M25: 44,991,260 km (0.04 R)
• M26: 55,070,267 km (0.117 R)
• M27: 57,476,998 km (0.057 R)
• M28: 58,992,574 km (0.107 R)
• M29: 63,297,253 km (0.095 R)
• M30: 68,437,884 km (0.112 R)
• M31: 69,711,860 km (0.071 R)
• M32: 72,965,763 km (0.118 R)
• M33: 73,407,077 km (0.056 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 15,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit