🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 142 Days

Day: 45.5 Hours

Environment

Temp: 198 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.54 AU - 0.58 AU

Year: 146 Days

Day: 23.3 Hours

Environment

Temp: 257 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,308,009 km

• M1: 21,392 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.57 AU - 0.59 AU

Year: 154 Days

Day: 16 Hours

Environment

Temp: 269 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.64 AU - 1.06 AU

Year: 273 Days

Day: 15.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,308,009 km

• M1: 457,769 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.41 AU - 1.85 AU

Year: 725 Days

Day: 19.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.29 AU - 2.11 AU

Year: 772 Days

Day: 24.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.6 AU - 2.34 AU

Year: 963 Days

Day: 32.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.6

Radius: 6.8

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.21 AU - 17.13 AU

Year: 20577 Days

Day: 24.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,308,009 km

• M1: 84,523 km (0.099 R)
• M2: 329,863 km (0.074 R)
• M3: 875,746 km (0.066 R)
• M4: 1,202,767 km (0.075 R)
• M5: 1,741,618 km (0.119 R)
• M6: 1,953,599 km (0.067 R)
• M7: 2,430,517 km (0.087 R)
• M8: 4,022,388 km (0.09 R)
• M9: 4,332,354 km (0.055 R)
• M10: 7,100,065 km (0.1 R)
• M11: 7,369,939 km (0.048 R)
• M12: 7,787,467 km (0.11 R)
• M13: 10,515,384 km (0.071 R)
• M14: 10,807,249 km (0.09 R)
• M15: 11,407,286 km (0.099 R)
• M16: 12,871,401 km (0.119 R)
• M17: 13,752,233 km (0.112 R)
• M18: 14,744,965 km (0.03 R)
• M19: 15,482,781 km (0.1 R)
• M20: 22,294,870 km (0.114 R)
• M21: 24,672,728 km (0.107 R)
• M22: 26,671,056 km (0.116 R)
• M23: 28,548,360 km (0.108 R)
• M24: 32,935,467 km (0.108 R)
• M25: 38,851,315 km (0.037 R)
• M26: 42,278,453 km (0.063 R)
• M27: 43,314,717 km (0.08 R)
• M28: 43,613,913 km (0.116 R)
• M29: 46,681,866 km (0.095 R)
• M30: 48,268,501 km (0.059 R)
• M31: 57,281,473 km (0.115 R)
• M32: 58,915,681 km (0.12 R)
• M33: 61,142,445 km (0.117 R)
• M34: 64,782,012 km (0.107 R)
• M35: 65,369,482 km (0.06 R)
• M36: 65,763,224 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.6

Radius: 5.5

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.92 AU - 18.18 AU

Year: 22393 Days

Day: 16.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,308,009 km

• M1: 68,516 km (0.074 R)
• M2: 295,456 km (0.088 R)
• M3: 535,560 km (0.112 R)
• M4: 834,457 km (0.106 R)
• M5: 1,123,929 km (0.045 R)
• M6: 2,157,351 km (0.114 R)
• M7: 3,223,685 km (0.058 R)
• M8: 4,139,822 km (0.066 R)
• M9: 4,602,378 km (0.051 R)
• M10: 5,421,277 km (0.098 R)
• M11: 9,024,940 km (0.089 R)
• M12: 10,299,813 km (0.056 R)
• M13: 12,903,714 km (0.036 R)
• M14: 14,120,543 km (0.099 R)
• M15: 16,086,259 km (0.095 R)
• M16: 16,257,997 km (0.114 R)
• M17: 18,885,834 km (0.041 R)
• M18: 20,956,717 km (0.111 R)
• M19: 28,068,749 km (0.117 R)
• M20: 29,073,149 km (0.035 R)
• M21: 34,172,941 km (0.12 R)
• M22: 36,933,022 km (0.1 R)
• M23: 37,381,965 km (0.102 R)
• M24: 40,468,468 km (0.102 R)
• M25: 42,727,246 km (0.098 R)
• M26: 47,142,777 km (0.045 R)
• M27: 50,923,863 km (0.099 R)
• M28: 54,708,091 km (0.099 R)
• M29: 55,291,373 km (0.081 R)
• M30: 57,265,915 km (0.077 R)
• M31: 58,878,880 km (0.113 R)
• M32: 63,899,234 km (0.116 R)
• M33: 66,292,651 km (0.072 R)
• M34: 67,177,522 km (0.079 R)
• M35: 81,412,956 km (0.088 R)
• M36: 85,783,608 km (0.1 R)
• M37: 89,229,445 km (0.114 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 15,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit