🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 144 Days

Day: 39.8 Hours

Environment

Temp: 159 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,835,794 km

• M1: 97,239 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.68 AU - 0.74 AU

Year: 223 Days

Day: 15.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,835,794 km

• M1: 37,100 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.95 AU - 1.41 AU

Year: 478 Days

Day: 17.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.79 AU - 1.87 AU

Year: 923 Days

Day: 30.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.56 AU - 3.96 AU

Year: 2194 Days

Day: 42.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.3

Radius: 8.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.17 AU - 6.31 AU

Year: 5811 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,835,794 km

• M1: 109,506 km (0.045 R)
• M2: 406,607 km (0.054 R)
• M3: 2,039,019 km (0.102 R)
• M4: 2,655,661 km (0.097 R)
• M5: 3,428,634 km (0.028 R)
• M6: 4,683,161 km (0.082 R)
• M7: 9,596,703 km (0.075 R)
• M8: 12,851,355 km (0.119 R)
• M9: 14,877,508 km (0.074 R)
• M10: 15,545,612 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 10.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.69 AU - 7.59 AU

Year: 6378 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,835,794 km

• M1: 131,347 km (0.091 R)
• M2: 1,171,800 km (0.079 R)
• M3: 1,766,900 km (0.079 R)
• M4: 2,359,757 km (0.085 R)
• M5: 2,830,242 km (0.071 R)
• M6: 3,730,821 km (0.112 R)
• M7: 4,509,029 km (0.071 R)
• M8: 5,215,580 km (0.116 R)
• M9: 6,411,765 km (0.073 R)
• M10: 8,551,762 km (0.055 R)
• M11: 8,892,397 km (0.118 R)
• M12: 11,762,133 km (0.078 R)
• M13: 12,222,744 km (0.099 R)
• M14: 13,427,157 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 13.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.96 AU - 10.32 AU

Year: 10301 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,835,794 km

• M1: 166,802 km (0.086 R)
• M2: 674,686 km (0.065 R)
• M3: 1,092,962 km (0.1 R)
• M4: 1,535,323 km (0.12 R)
• M5: 2,065,199 km (0.05 R)
• M6: 2,572,036 km (0.082 R)
• M7: 3,209,174 km (0.12 R)
• M8: 4,060,385 km (0.107 R)
• M9: 4,864,773 km (0.093 R)
• M10: 5,772,832 km (0.117 R)
• M11: 6,362,547 km (0.105 R)
• M12: 6,871,030 km (0.033 R)
• M13: 7,576,983 km (0.04 R)
• M14: 9,529,534 km (0.111 R)
• M15: 10,622,795 km (0.106 R)
• M16: 11,625,101 km (0.118 R)
• M17: 12,934,531 km (0.086 R)
• M18: 14,274,180 km (0.118 R)
• M19: 15,355,473 km (0.069 R)
• M20: 16,782,936 km (0.098 R)
• M21: 17,680,972 km (0.059 R)
• M22: 19,900,855 km (0.112 R)
• M23: 20,992,321 km (0.095 R)
• M24: 22,658,692 km (0.102 R)
• M25: 23,755,693 km (0.096 R)
• M26: 32,793,050 km (0.106 R)
• M27: 39,946,970 km (0.093 R)
• M28: 46,021,691 km (0.091 R)
• M29: 46,895,193 km (0.119 R)
• M30: 47,928,016 km (0.061 R)
• M31: 49,429,829 km (0.081 R)
• M32: 50,345,967 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.7

Radius: 3.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 16.57 AU - 19.33 AU

Year: 28350 Days

Day: 20.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,835,794 km

• M1: 44,730 km (0.069 R)
• M2: 224,696 km (0.053 R)
• M3: 1,510,639 km (0.114 R)
• M4: 2,318,617 km (0.055 R)
• M5: 3,242,833 km (0.119 R)
• M6: 3,472,316 km (0.09 R)
• M7: 5,052,369 km (0.104 R)
• M8: 6,326,195 km (0.06 R)
• M9: 8,003,636 km (0.119 R)
• M10: 11,247,067 km (0.088 R)
• M11: 13,213,232 km (0.096 R)
• M12: 14,768,003 km (0.089 R)
• M13: 16,374,085 km (0.055 R)
• M14: 17,950,996 km (0.061 R)
• M15: 19,253,695 km (0.099 R)
• M16: 27,559,369 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 11,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit