🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.71 AU

Year: 190 Days

Day: 15 Hours

Environment

Temp: 41 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.53 AU - 0.71 AU

Year: 210 Days

Day: 21.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 145 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.12 AU - 1.48 AU

Year: 638 Days

Day: 25.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.36 AU - 2.52 AU

Year: 1641 Days

Day: 13.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,825,578 km

• M1: 44,281 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 5.6

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 9.02 AU - 13.88 AU

Year: 16678 Days

Day: 21.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,825,578 km

• M1: 69,862 km (0.088 R)
• M2: 272,418 km (0.045 R)
• M3: 459,565 km (0.116 R)
• M4: 684,560 km (0.085 R)
• M5: 878,140 km (0.099 R)
• M6: 1,364,931 km (0.07 R)
• M7: 1,708,258 km (0.087 R)
• M8: 2,126,384 km (0.091 R)
• M9: 2,379,953 km (0.108 R)
• M10: 3,365,653 km (0.113 R)
• M11: 3,738,301 km (0.044 R)
• M12: 4,472,079 km (0.042 R)
• M13: 4,725,946 km (0.085 R)
• M14: 4,956,028 km (0.095 R)
• M15: 6,781,720 km (0.104 R)
• M16: 7,912,680 km (0.085 R)
• M17: 9,470,592 km (0.104 R)
• M18: 10,212,448 km (0.12 R)
• M19: 11,691,822 km (0.091 R)
• M20: 12,796,153 km (0.072 R)
• M21: 13,373,451 km (0.114 R)
• M22: 14,035,272 km (0.119 R)
• M23: 14,306,044 km (0.067 R)
• M24: 19,208,516 km (0.101 R)
• M25: 22,537,667 km (0.099 R)
• M26: 23,096,266 km (0.117 R)
• M27: 26,540,009 km (0.11 R)
• M28: 33,694,228 km (0.117 R)
• M29: 34,669,905 km (0.114 R)
• M30: 39,697,590 km (0.11 R)
• M31: 47,128,116 km (0.08 R)
• M32: 53,272,550 km (0.118 R)
• M33: 54,929,795 km (0.089 R)
• M34: 57,652,476 km (0.04 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: 177 - 13,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit