🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.47 AU - 0.67 AU

Year: 282 Days

Day: 19.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 9.6

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.69 AU - 0.93 AU

Year: 478 Days

Day: 12.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,651,589 km

• M1: 123,418 km (0.079 R)
• M2: 506,838 km (0.109 R)
• M3: 884,273 km (0.108 R)
• M4: 1,220,419 km (0.066 R)
• M5: 1,533,977 km (0.053 R)
• M6: 2,072,529 km (0.04 R)
• M7: 2,386,684 km (0.111 R)
• M8: 3,124,202 km (0.113 R)
• M9: 3,464,088 km (0.088 R)
• M10: 3,896,426 km (0.11 R)
• M11: 4,635,290 km (0.115 R)
• M12: 5,516,571 km (0.057 R)
• M13: 6,467,116 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 10.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.8 AU - 1.34 AU

Year: 726 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,651,589 km

• M1: 130,599 km (0.11 R)
• M2: 578,794 km (0.094 R)
• M3: 910,901 km (0.108 R)
• M4: 1,347,727 km (0.108 R)
• M5: 1,696,589 km (0.039 R)
• M6: 2,915,214 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 12.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.13 AU - 1.61 AU

Year: 1052 Days

Day: 9.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,651,589 km

• M1: 160,070 km (0.073 R)
• M2: 810,820 km (0.117 R)
• M3: 1,472,941 km (0.101 R)
• M4: 1,997,730 km (0.114 R)
• M5: 2,544,061 km (0.028 R)
• M6: 3,072,441 km (0.066 R)
• M7: 3,515,999 km (0.111 R)
• M8: 4,127,256 km (0.115 R)
• M9: 5,094,107 km (0.096 R)
• M10: 5,779,265 km (0.094 R)
• M11: 6,743,124 km (0.11 R)
• M12: 7,240,687 km (0.091 R)
• M13: 8,258,850 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 13.5

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.17 AU - 6.19 AU

Year: 7734 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,651,589 km

• M1: 168,298 km (0.073 R)
• M2: 703,708 km (0.042 R)
• M3: 1,131,558 km (0.113 R)
• M4: 2,605,696 km (0.061 R)
• M5: 3,821,178 km (0.032 R)
• M6: 4,528,776 km (0.064 R)
• M7: 8,467,389 km (0.096 R)
• M8: 9,609,868 km (0.12 R)
• M9: 10,185,820 km (0.071 R)
• M10: 11,197,101 km (0.098 R)

Asteroid Belt

Center: 6.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.6

Radius: 3

Gravity: 105.96 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.73 AU - 10.65 AU

Year: 16805 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 145.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,651,589 km

• M1: 37,250 km (0.1 R)
• M2: 143,614 km (0.054 R)
• M3: 244,742 km (0.079 R)
• M4: 364,720 km (0.058 R)
• M5: 1,031,178 km (0.108 R)
• M6: 1,247,347 km (0.112 R)
• M7: 1,575,714 km (0.064 R)
• M8: 1,824,795 km (0.071 R)
• M9: 2,468,814 km (0.097 R)
• M10: 4,352,400 km (0.119 R)
• M11: 5,060,447 km (0.115 R)
• M12: 6,175,849 km (0.084 R)
• M13: 7,445,336 km (0.117 R)
• M14: 8,140,967 km (0.1 R)
• M15: 10,486,362 km (0.079 R)
• M16: 12,412,883 km (0.086 R)
• M17: 16,451,727 km (0.071 R)
• M18: 16,781,740 km (0.043 R)
• M19: 17,711,789 km (0.057 R)
• M20: 18,321,102 km (0.12 R)
• M21: 19,766,367 km (0.054 R)
• M22: 23,917,857 km (0.119 R)
• M23: 27,444,926 km (0.105 R)
• M24: 28,614,482 km (0.059 R)
• M25: 30,430,301 km (0.113 R)
• M26: 31,052,180 km (0.05 R)
• M27: 37,318,086 km (0.053 R)
• M28: 38,606,872 km (0.118 R)
• M29: 39,042,950 km (0.101 R)
• M30: 42,187,796 km (0.118 R)
• M31: 43,429,010 km (0.07 R)
• M32: 47,797,417 km (0.065 R)
• M33: 47,964,668 km (0.109 R)
• M34: 50,693,034 km (0.115 R)
• M35: 51,390,908 km (0.065 R)
• M36: 52,095,065 km (0.074 R)
• M37: 53,703,242 km (0.076 R)
• M38: 66,103,260 km (0.041 R)
• M39: 70,769,965 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 20,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit