🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.43 AU - 0.59 AU

Year: 164 Days

Day: 12.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.63 AU

Year: 169 Days

Day: 35.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.67 AU - 1.03 AU

Year: 352 Days

Day: 28.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,208,825 km

• M1: 137,630 km (0.048 R)
• M2: 186,698 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.83 AU - 0.87 AU

Year: 352 Days

Day: 42.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,208,825 km

• M1: 120,426 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.88 AU - 0.9 AU

Year: 377 Days

Day: 18.6 Hours

Environment

Temp: -56 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.17 AU

Year: 430 Days

Day: 35.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,208,825 km

• M1: 52,359 km (0.11 R)
• M2: 273,016 km (0.075 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.33 AU - 1.51 AU

Year: 761 Days

Day: 39.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,208,825 km

• M1: 44,431 km (0.097 R)

Asteroid Belt

Center: 3.5 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 14.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.09 AU - 6.05 AU

Year: 5910 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 51.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,208,825 km

• M1: 179,069 km (0.107 R)
• M2: 693,237 km (0.102 R)
• M3: 1,425,668 km (0.099 R)
• M4: 1,994,588 km (0.086 R)
• M5: 3,144,098 km (0.111 R)
• M6: 4,329,662 km (0.057 R)
• M7: 4,819,445 km (0.104 R)
• M8: 6,925,334 km (0.09 R)
• M9: 11,457,701 km (0.099 R)
• M10: 12,285,276 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.5

Radius: 4.8

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 12.45 AU - 14.13 AU

Year: 21782 Days

Day: 16.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,208,825 km

• M1: 60,886 km (0.102 R)
• M2: 423,811 km (0.064 R)
• M3: 1,054,216 km (0.067 R)
• M4: 1,526,646 km (0.104 R)
• M5: 2,692,762 km (0.092 R)
• M6: 3,902,260 km (0.084 R)
• M7: 6,274,135 km (0.119 R)
• M8: 6,641,248 km (0.077 R)
• M9: 15,932,921 km (0.114 R)
• M10: 16,924,755 km (0.095 R)
• M11: 17,715,230 km (0.096 R)
• M12: 22,695,942 km (0.063 R)
• M13: 28,314,987 km (0.118 R)
• M14: 29,880,230 km (0.044 R)
• M15: 30,222,959 km (0.101 R)
• M16: 32,334,832 km (0.097 R)
• M17: 35,812,234 km (0.07 R)
• M18: 47,724,114 km (0.033 R)
• M19: 50,257,255 km (0.094 R)
• M20: 56,108,028 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.2

Radius: 3.9

Gravity: 45.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 14 AU - 14.98 AU

Year: 24798 Days

Day: 20.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,208,825 km

• M1: 49,666 km (0.086 R)
• M2: 193,280 km (0.109 R)
• M3: 1,107,174 km (0.091 R)
• M4: 1,652,308 km (0.117 R)
• M5: 1,803,103 km (0.09 R)
• M6: 4,230,628 km (0.091 R)
• M7: 15,530,802 km (0.087 R)
• M8: 16,808,667 km (0.099 R)
• M9: 17,971,342 km (0.071 R)
• M10: 19,668,081 km (0.069 R)
• M11: 21,161,367 km (0.075 R)
• M12: 32,138,410 km (0.12 R)
• M13: 32,680,702 km (0.048 R)
• M14: 32,817,285 km (0.081 R)
• M15: 35,053,923 km (0.065 R)
• M16: 40,611,035 km (0.095 R)
• M17: 43,845,939 km (0.098 R)
• M18: 55,151,050 km (0.08 R)
• M19: 60,127,274 km (0.116 R)
• M20: 72,806,591 km (0.073 R)
• M21: 85,590,327 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 12,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit