🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.45 AU - 0.61 AU

Year: 140 Days

Day: 34.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.51 AU - 0.65 AU

Year: 160 Days

Day: 47.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.55 AU - 0.69 AU

Year: 177 Days

Day: 28.1 Hours

Environment

Temp: 173 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.45 AU - 2.09 AU

Year: 852 Days

Day: 38.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.75 AU - 2.05 AU

Year: 947 Days

Day: 41.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.31 AU - 3.21 AU

Year: 1658 Days

Day: 24 Hours

Environment

Temp: -90 °C

Axial Tilt: 69.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942

Radius: 12.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.66 AU - 10.58 AU

Year: 9961 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 107,914,725 km

• M1: 155,133 km (0.108 R)
• M2: 656,884 km (0.041 R)
• M3: 1,094,308 km (0.097 R)
• M4: 1,568,683 km (0.103 R)
• M5: 7,519,836 km (0.099 R)
• M6: 8,499,104 km (0.094 R)
• M7: 9,662,227 km (0.108 R)
• M8: 10,072,724 km (0.067 R)
• M9: 12,007,623 km (0.082 R)
• M10: 14,244,560 km (0.09 R)
• M11: 15,116,865 km (0.086 R)
• M12: 18,490,895 km (0.068 R)
• M13: 18,885,534 km (0.117 R)
• M14: 20,269,614 km (0.105 R)
• M15: 27,293,384 km (0.114 R)
• M16: 38,029,125 km (0.101 R)
• M17: 50,967,396 km (0.082 R)
• M18: 51,432,646 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 14.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.52 AU - 9.62 AU

Year: 10707 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 107,914,725 km

• M1: 177,273 km (0.081 R)
• M2: 772,673 km (0.087 R)
• M3: 1,762,562 km (0.09 R)
• M4: 2,326,845 km (0.026 R)
• M5: 3,881,317 km (0.03 R)
• M6: 5,974,041 km (0.075 R)
• M7: 6,539,521 km (0.113 R)
• M8: 8,089,056 km (0.039 R)
• M9: 10,236,683 km (0.093 R)
• M10: 11,499,588 km (0.094 R)
• M11: 12,802,586 km (0.045 R)
• M12: 13,746,100 km (0.089 R)
• M13: 16,929,841 km (0.061 R)
• M14: 21,002,045 km (0.115 R)
• M15: 21,870,760 km (0.117 R)
• M16: 24,147,939 km (0.071 R)
• M17: 27,492,797 km (0.084 R)
• M18: 28,955,865 km (0.046 R)
• M19: 30,912,455 km (0.117 R)
• M20: 32,494,153 km (0.057 R)
• M21: 42,858,593 km (0.1 R)
• M22: 43,414,050 km (0.109 R)
• M23: 47,290,280 km (0.068 R)
• M24: 49,693,121 km (0.037 R)
• M25: 50,924,462 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.1

Radius: 3.3

Gravity: 66.58 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 16 AU - 24.4 AU

Year: 32834 Days

Day: 23.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 107,914,725 km

• M1: 59,989 km (0.1 R)
• M2: 337,044 km (0.118 R)
• M3: 680,670 km (0.087 R)
• M4: 1,158,636 km (0.119 R)
• M5: 1,532,331 km (0.083 R)
• M6: 2,140,746 km (0.106 R)
• M7: 2,460,137 km (0.102 R)
• M8: 2,591,185 km (0.072 R)
• M9: 4,786,085 km (0.084 R)
• M10: 4,908,157 km (0.065 R)
• M11: 9,043,490 km (0.117 R)
• M12: 10,957,296 km (0.109 R)
• M13: 15,296,681 km (0.093 R)
• M14: 21,197,569 km (0.063 R)
• M15: 35,478,481 km (0.075 R)
• M16: 37,519,445 km (0.113 R)
• M17: 46,651,198 km (0.075 R)
• M18: 55,272,374 km (0.071 R)
• M19: 58,437,715 km (0.037 R)
• M20: 66,992,918 km (0.086 R)
• M21: 70,100,814 km (0.053 R)
• M22: 70,343,911 km (0.071 R)
• M23: 79,469,979 km (0.106 R)
• M24: 105,346,372 km (0.112 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit