🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.81 AU

Year: 236 Days

Day: 46.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,472,085 km

• M1: 69,563 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.75 AU - 1.15 AU

Year: 343 Days

Day: 26.6 Hours

Environment

Temp: 41 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.96 AU - 0.98 AU

Year: 354 Days

Day: 12.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,472,085 km

• M1: 46,226 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.96 AU - 2.62 AU

Year: 1285 Days

Day: 40.3 Hours

Environment

Temp: -77 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.35 AU - 4.71 AU

Year: 3576 Days

Day: 21.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,472,085 km

• M1: 105,018 km (0.087 R)
• M2: 299,944 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.3

Radius: 3.6

Gravity: 36.75 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.02 AU - 14.32 AU

Year: 15745 Days

Day: 23.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,472,085 km

• M1: 45,179 km (0.095 R)
• M2: 262,843 km (0.091 R)
• M3: 451,187 km (0.114 R)
• M4: 1,054,067 km (0.081 R)
• M5: 1,332,618 km (0.066 R)
• M6: 2,034,381 km (0.047 R)
• M7: 2,382,496 km (0.047 R)
• M8: 3,245,975 km (0.088 R)
• M9: 3,610,993 km (0.103 R)
• M10: 4,837,247 km (0.04 R)
• M11: 5,489,943 km (0.074 R)
• M12: 5,671,106 km (0.089 R)
• M13: 6,925,933 km (0.099 R)
• M14: 7,137,314 km (0.116 R)
• M15: 7,353,184 km (0.094 R)
• M16: 8,937,575 km (0.106 R)
• M17: 9,239,015 km (0.112 R)
• M18: 11,959,452 km (0.028 R)
• M19: 12,449,086 km (0.035 R)
• M20: 14,958,291 km (0.106 R)
• M21: 16,035,097 km (0.054 R)
• M22: 18,101,791 km (0.079 R)
• M23: 18,665,177 km (0.074 R)
• M24: 22,661,534 km (0.116 R)
• M25: 22,940,385 km (0.069 R)
• M26: 24,563,821 km (0.076 R)
• M27: 25,553,710 km (0.032 R)
• M28: 28,037,334 km (0.101 R)
• M29: 29,447,593 km (0.064 R)
• M30: 35,561,807 km (0.11 R)
• M31: 36,827,256 km (0.094 R)
• M32: 37,991,426 km (0.041 R)
• M33: 39,046,540 km (0.075 R)
• M34: 40,940,000 km (0.115 R)
• M35: 42,893,749 km (0.112 R)
• M36: 43,893,511 km (0.079 R)
• M37: 45,495,854 km (0.106 R)
• M38: 46,087,962 km (0.047 R)
• M39: 46,236,812 km (0.097 R)
• M40: 46,385,961 km (0.11 R)
• M41: 51,170,999 km (0.115 R)
• M42: 52,295,227 km (0.064 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 12,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit