🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.16 AU - 1.22 AU

Year: 452 Days

Day: 43.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 34,703,981 km

• M1: 37,699 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.95 AU - 2.25 AU

Year: 1060 Days

Day: 23.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.92 AU - 2.4 AU

Year: 1106 Days

Day: 14.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,703,981 km

• M1: 57,446 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.32 AU - 4.34 AU

Year: 2610 Days

Day: 43.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,703,981 km

• M1: 45,029 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.16 AU - 4.62 AU

Year: 2672 Days

Day: 33.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 179.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.34 AU - 5.56 AU

Year: 3269 Days

Day: 27.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,703,981 km

• M1: 324,927 km (0.115 R)
• M2: 978,520 km (0.068 R)

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 12.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.7 AU - 7.34 AU

Year: 5798 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,703,981 km

• M1: 151,692 km (0.082 R)
• M2: 647,460 km (0.037 R)
• M3: 1,154,896 km (0.119 R)
• M4: 1,727,706 km (0.063 R)
• M5: 2,795,236 km (0.113 R)
• M6: 3,209,922 km (0.092 R)
• M7: 3,955,517 km (0.071 R)
• M8: 7,134,622 km (0.075 R)
• M9: 7,990,172 km (0.111 R)
• M10: 8,404,558 km (0.111 R)
• M11: 9,735,081 km (0.091 R)
• M12: 10,384,336 km (0.033 R)
• M13: 11,577,978 km (0.084 R)
• M14: 13,379,136 km (0.094 R)
• M15: 14,847,589 km (0.108 R)
• M16: 17,910,306 km (0.063 R)
• M17: 20,730,525 km (0.113 R)
• M18: 23,449,915 km (0.082 R)
• M19: 24,067,754 km (0.096 R)
• M20: 25,986,497 km (0.099 R)
• M21: 26,983,267 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.1

Radius: 12

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.56 AU - 8.8 AU

Year: 7412 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,703,981 km

• M1: 174,431 km (0.075 R)
• M2: 855,999 km (0.11 R)
• M3: 1,985,164 km (0.117 R)
• M4: 2,817,227 km (0.027 R)
• M5: 3,202,890 km (0.115 R)
• M6: 6,027,897 km (0.102 R)
• M7: 6,704,378 km (0.107 R)
• M8: 11,697,506 km (0.078 R)
• M9: 16,014,901 km (0.117 R)
• M10: 17,429,050 km (0.057 R)
• M11: 18,256,326 km (0.109 R)
• M12: 20,699,708 km (0.06 R)
• M13: 23,001,121 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 11.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.55 AU - 9.89 AU

Year: 8967 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,703,981 km

• M1: 148,102 km (0.096 R)
• M2: 523,443 km (0.119 R)
• M3: 1,188,256 km (0.106 R)
• M4: 2,320,712 km (0.091 R)
• M5: 4,559,145 km (0.055 R)
• M6: 7,643,105 km (0.074 R)
• M7: 11,524,422 km (0.105 R)
• M8: 12,735,416 km (0.112 R)
• M9: 14,125,330 km (0.067 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 12

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.81 AU - 11.11 AU

Year: 9340 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,703,981 km

• M1: 149,299 km (0.094 R)
• M2: 932,444 km (0.047 R)
• M3: 1,748,051 km (0.098 R)
• M4: 5,120,885 km (0.09 R)
• M5: 5,929,760 km (0.067 R)
• M6: 6,616,115 km (0.089 R)
• M7: 7,763,381 km (0.107 R)
• M8: 13,426,558 km (0.076 R)
• M9: 21,671,196 km (0.098 R)
• M10: 26,533,576 km (0.067 R)
• M11: 27,056,570 km (0.039 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 17,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit