🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.25 AU - 1.63 AU

Year: 648 Days

Day: 33.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,268,092 km

• M1: 97,388 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.22 AU - 2.58 AU

Year: 1393 Days

Day: 45.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.86 AU

Year: 2464 Days

Day: 45 Hours

Environment

Temp: -123 °C

Axial Tilt: 90.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.3

Radius: 4.4

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 12.02 AU - 13.94 AU

Year: 17524 Days

Day: 19.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,268,092 km

• M1: 73,901 km (0.095 R)
• M2: 872,754 km (0.091 R)
• M3: 1,393,205 km (0.052 R)
• M4: 1,933,852 km (0.082 R)
• M5: 2,116,810 km (0.08 R)
• M6: 4,572,309 km (0.111 R)
• M7: 6,436,897 km (0.088 R)
• M8: 10,819,816 km (0.115 R)
• M9: 14,736,288 km (0.114 R)
• M10: 17,630,259 km (0.115 R)
• M11: 19,168,274 km (0.081 R)
• M12: 27,572,982 km (0.109 R)
• M13: 35,187,364 km (0.109 R)
• M14: 44,967,474 km (0.11 R)
• M15: 46,154,533 km (0.081 R)
• M16: 49,526,320 km (0.069 R)
• M17: 55,730,742 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.1

Radius: 7.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 17.65 AU - 20.51 AU

Year: 31232 Days

Day: 24.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,268,092 km

• M1: 100,231 km (0.092 R)
• M2: 506,239 km (0.101 R)
• M3: 819,647 km (0.039 R)
• M4: 1,506,750 km (0.097 R)
• M5: 2,443,232 km (0.114 R)
• M6: 2,688,423 km (0.042 R)
• M7: 3,898,072 km (0.069 R)
• M8: 4,426,003 km (0.074 R)
• M9: 4,724,151 km (0.097 R)
• M10: 5,214,832 km (0.105 R)
• M11: 5,623,833 km (0.12 R)
• M12: 6,980,087 km (0.112 R)
• M13: 8,900,774 km (0.108 R)
• M14: 10,151,861 km (0.081 R)
• M15: 11,028,505 km (0.079 R)
• M16: 12,274,505 km (0.115 R)
• M17: 13,336,949 km (0.11 R)
• M18: 16,652,188 km (0.103 R)
• M19: 19,406,584 km (0.03 R)
• M20: 21,875,098 km (0.072 R)
• M21: 23,934,014 km (0.053 R)
• M22: 31,121,294 km (0.102 R)
• M23: 31,483,919 km (0.117 R)
• M24: 31,971,907 km (0.113 R)
• M25: 34,358,592 km (0.074 R)
• M26: 35,005,902 km (0.081 R)
• M27: 39,201,823 km (0.049 R)
• M28: 39,766,555 km (0.102 R)
• M29: 42,227,290 km (0.075 R)
• M30: 43,419,585 km (0.07 R)
• M31: 47,131,258 km (0.118 R)
• M32: 54,300,586 km (0.084 R)
• M33: 57,143,544 km (0.088 R)
• M34: 62,546,720 km (0.061 R)
• M35: 64,486,107 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 15,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit