🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.52 AU - 0.56 AU

Year: 148 Days

Day: 25.1 Hours

Environment

Temp: 238 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,284,752 km

• M1: 46,824 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.92 AU - 1.48 AU

Year: 490 Days

Day: 37.2 Hours

Environment

Temp: -7 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,284,752 km

• M1: 131,646 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 8.6

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.99 AU - 9.33 AU

Year: 8689 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,284,752 km

• M1: 109,506 km (0.072 R)
• M2: 393,143 km (0.051 R)
• M3: 1,222,364 km (0.029 R)
• M4: 1,878,351 km (0.092 R)
• M5: 2,213,749 km (0.064 R)
• M6: 3,186,135 km (0.085 R)
• M7: 3,742,490 km (0.093 R)
• M8: 5,271,231 km (0.117 R)
• M9: 7,583,266 km (0.113 R)
• M10: 11,727,875 km (0.038 R)
• M11: 23,747,764 km (0.096 R)
• M12: 24,195,511 km (0.098 R)
• M13: 35,762,418 km (0.103 R)
• M14: 36,826,059 km (0.065 R)
• M15: 37,667,846 km (0.081 R)
• M16: 39,265,103 km (0.111 R)
• M17: 41,163,500 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867

Radius: 5.4

Gravity: 29.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.24 AU - 15.82 AU

Year: 18552 Days

Day: 20.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,284,752 km

• M1: 78,090 km (0.099 R)
• M2: 263,891 km (0.068 R)
• M3: 515,813 km (0.104 R)
• M4: 750,981 km (0.116 R)
• M5: 1,473,838 km (0.048 R)
• M6: 2,374,866 km (0.116 R)
• M7: 3,392,132 km (0.118 R)
• M8: 3,839,429 km (0.058 R)
• M9: 4,191,882 km (0.059 R)
• M10: 4,427,199 km (0.107 R)
• M11: 5,657,642 km (0.109 R)
• M12: 6,417,001 km (0.075 R)
• M13: 6,639,602 km (0.09 R)
• M14: 7,435,014 km (0.111 R)
• M15: 9,325,782 km (0.071 R)
• M16: 10,504,014 km (0.09 R)
• M17: 12,939,169 km (0.069 R)
• M18: 15,566,406 km (0.076 R)
• M19: 17,388,060 km (0.099 R)
• M20: 18,172,551 km (0.097 R)
• M21: 19,347,193 km (0.114 R)
• M22: 19,625,296 km (0.046 R)
• M23: 20,764,184 km (0.036 R)
• M24: 23,173,309 km (0.108 R)
• M25: 24,444,890 km (0.065 R)
• M26: 24,878,874 km (0.098 R)
• M27: 25,318,093 km (0.05 R)
• M28: 27,126,432 km (0.073 R)
• M29: 30,245,697 km (0.103 R)
• M30: 32,933,373 km (0.076 R)
• M31: 43,351,817 km (0.117 R)
• M32: 46,261,646 km (0.115 R)
• M33: 55,022,546 km (0.094 R)
• M34: 62,576,939 km (0.054 R)
• M35: 69,702,435 km (0.117 R)
• M36: 72,118,590 km (0.112 R)
• M37: 75,502,644 km (0.115 R)
• M38: 77,582,952 km (0.028 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 13,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit