🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.55 AU - 0.85 AU

Year: 213 Days

Day: 31.5 Hours

Environment

Temp: 189 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,512,758 km

• M1: 63,280 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.69 AU - 0.95 AU

Year: 270 Days

Day: 24.1 Hours

Environment

Temp: 99 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.81 AU - 2.87 AU

Year: 1301 Days

Day: 33.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,512,758 km

• M1: 26,180 km (0.106 R)
• M2: 572,062 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.98 AU - 3 AU

Year: 1428 Days

Day: 14.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.98 AU - 4.46 AU

Year: 2608 Days

Day: 44 Hours

Environment

Temp: -123 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.25 AU - 4.55 AU

Year: 2799 Days

Day: 39.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.1 AU - 4.88 AU

Year: 3458 Days

Day: 20.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,512,758 km

• M1: 3,232,660 km (0.09 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 8.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.76 AU - 6.34 AU

Year: 5408 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,512,758 km

• M1: 108,309 km (0.076 R)
• M2: 742,155 km (0.076 R)
• M3: 1,023,249 km (0.085 R)
• M4: 1,296,116 km (0.11 R)
• M5: 2,291,989 km (0.094 R)
• M6: 2,836,974 km (0.063 R)
• M7: 3,426,390 km (0.056 R)
• M8: 4,095,242 km (0.113 R)
• M9: 5,076,005 km (0.118 R)
• M10: 5,417,687 km (0.117 R)
• M11: 6,235,239 km (0.047 R)
• M12: 8,841,533 km (0.116 R)
• M13: 11,732,213 km (0.068 R)
• M14: 20,064,366 km (0.051 R)
• M15: 21,391,299 km (0.09 R)
• M16: 22,284,697 km (0.048 R)
• M17: 22,846,736 km (0.052 R)
• M18: 24,219,297 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.9

Radius: 4.7

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.88 AU - 16.98 AU

Year: 23108 Days

Day: 15.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,512,758 km

• M1: 58,493 km (0.069 R)
• M2: 301,739 km (0.103 R)
• M3: 495,019 km (0.095 R)
• M4: 1,377,497 km (0.074 R)
• M5: 1,679,535 km (0.084 R)
• M6: 1,944,024 km (0.088 R)
• M7: 2,532,393 km (0.09 R)
• M8: 2,752,601 km (0.101 R)
• M9: 3,259,887 km (0.035 R)
• M10: 4,457,867 km (0.079 R)
• M11: 5,389,712 km (0.105 R)
• M12: 5,672,302 km (0.109 R)
• M13: 6,311,385 km (0.109 R)
• M14: 7,431,573 km (0.097 R)
• M15: 10,611,127 km (0.069 R)
• M16: 13,833,315 km (0.08 R)
• M17: 16,116,179 km (0.1 R)
• M18: 16,702,602 km (0.075 R)
• M19: 22,017,366 km (0.105 R)
• M20: 23,158,349 km (0.065 R)
• M21: 24,338,227 km (0.114 R)
• M22: 25,670,247 km (0.114 R)
• M23: 31,356,462 km (0.058 R)
• M24: 34,147,808 km (0.081 R)
• M25: 34,974,785 km (0.104 R)
• M26: 40,218,640 km (0.072 R)
• M27: 40,371,229 km (0.035 R)
• M28: 45,134,276 km (0.119 R)
• M29: 45,299,133 km (0.04 R)
• M30: 45,464,438 km (0.099 R)
• M31: 52,412,063 km (0.057 R)
• M32: 52,594,273 km (0.099 R)
• M33: 57,674,916 km (0.112 R)
• M34: 67,497,362 km (0.08 R)
• M35: 69,675,059 km (0.077 R)
• M36: 72,349,420 km (0.119 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 12,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit