🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.18 AU - 1.4 AU

Year: 510 Days

Day: 12 Hours

Environment

Temp: 33 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.48 AU - 1.82 AU

Year: 738 Days

Day: 36.5 Hours

Environment

Temp: -24 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,156,020 km

• M1: 438,322 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.07 AU - 3.41 AU

Year: 1580 Days

Day: 30.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 72.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,156,020 km

• M1: 41,887 km (0.039 R)
• M2: 101,577 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501

Radius: 4.7

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 17.58 AU - 19.4 AU

Year: 27688 Days

Day: 19.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,156,020 km

• M1: 58,642 km (0.102 R)
• M2: 249,828 km (0.048 R)
• M3: 606,021 km (0.078 R)
• M4: 846,574 km (0.105 R)
• M5: 1,309,879 km (0.035 R)
• M6: 1,828,236 km (0.039 R)
• M7: 2,356,017 km (0.068 R)
• M8: 2,846,997 km (0.109 R)
• M9: 3,373,731 km (0.092 R)
• M10: 4,028,820 km (0.108 R)
• M11: 5,263,302 km (0.096 R)
• M12: 6,318,266 km (0.079 R)
• M13: 8,341,577 km (0.112 R)
• M14: 8,837,195 km (0.069 R)
• M15: 12,232,169 km (0.065 R)
• M16: 16,405,650 km (0.065 R)
• M17: 16,748,080 km (0.075 R)
• M18: 18,531,586 km (0.119 R)
• M19: 20,339,626 km (0.119 R)
• M20: 20,635,381 km (0.114 R)
• M21: 23,862,506 km (0.086 R)
• M22: 25,652,594 km (0.083 R)
• M23: 30,259,161 km (0.034 R)
• M24: 33,027,021 km (0.075 R)
• M25: 34,541,999 km (0.079 R)
• M26: 35,104,188 km (0.045 R)
• M27: 35,387,676 km (0.091 R)
• M28: 40,909,483 km (0.071 R)
• M29: 41,066,111 km (0.108 R)
• M30: 41,223,189 km (0.106 R)
• M31: 41,696,966 km (0.088 R)
• M32: 42,334,402 km (0.068 R)
• M33: 42,655,439 km (0.051 R)
• M34: 45,115,427 km (0.086 R)
• M35: 56,871,875 km (0.081 R)
• M36: 57,262,923 km (0.1 R)
• M37: 66,755,955 km (0.048 R)
• M38: 68,507,298 km (0.118 R)
• M39: 76,055,408 km (0.109 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: 358 - 17,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit