🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.55 AU - 0.61 AU

Year: 163 Days

Day: 42.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.54 AU - 3.8 AU

Year: 2594 Days

Day: 15.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.8

Radius: 6.3

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 12.8 AU - 14.12 AU

Year: 18220 Days

Day: 20.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,588,551 km

• M1: 78,389 km (0.09 R)
• M2: 604,226 km (0.1 R)
• M3: 1,003,353 km (0.059 R)
• M4: 1,228,498 km (0.079 R)
• M5: 1,853,368 km (0.074 R)
• M6: 3,239,542 km (0.087 R)
• M7: 3,708,830 km (0.119 R)
• M8: 4,190,835 km (0.108 R)
• M9: 5,390,460 km (0.107 R)
• M10: 5,732,590 km (0.046 R)
• M11: 6,170,463 km (0.109 R)
• M12: 7,665,395 km (0.091 R)
• M13: 10,279,917 km (0.077 R)
• M14: 12,298,591 km (0.096 R)
• M15: 15,838,375 km (0.089 R)
• M16: 18,006,647 km (0.072 R)
• M17: 20,915,877 km (0.053 R)
• M18: 24,022,127 km (0.059 R)
• M19: 24,225,879 km (0.057 R)
• M20: 25,157,126 km (0.03 R)
• M21: 28,662,054 km (0.071 R)
• M22: 28,891,238 km (0.067 R)
• M23: 30,411,602 km (0.056 R)
• M24: 34,638,340 km (0.079 R)
• M25: 36,891,583 km (0.101 R)
• M26: 39,950,111 km (0.052 R)
• M27: 41,248,621 km (0.106 R)
• M28: 45,623,910 km (0.073 R)
• M29: 48,815,281 km (0.026 R)
• M30: 49,470,819 km (0.077 R)
• M31: 55,816,462 km (0.069 R)
• M32: 59,648,710 km (0.08 R)
• M33: 62,106,902 km (0.114 R)
• M34: 66,419,211 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.2

Radius: 5.8

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 12.21 AU - 15.61 AU

Year: 19141 Days

Day: 18.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,588,551 km

• M1: 72,256 km (0.029 R)
• M2: 463,155 km (0.085 R)
• M3: 771,476 km (0.119 R)
• M4: 1,932,954 km (0.077 R)
• M5: 2,365,591 km (0.072 R)
• M6: 2,835,628 km (0.098 R)
• M7: 3,066,457 km (0.108 R)
• M8: 5,014,670 km (0.12 R)
• M9: 6,202,777 km (0.106 R)
• M10: 6,461,132 km (0.075 R)
• M11: 7,567,408 km (0.102 R)
• M12: 7,912,531 km (0.105 R)
• M13: 10,089,479 km (0.037 R)
• M14: 11,314,835 km (0.076 R)
• M15: 11,506,769 km (0.098 R)
• M16: 13,051,816 km (0.09 R)
• M17: 13,333,957 km (0.061 R)
• M18: 19,225,870 km (0.098 R)
• M19: 23,091,179 km (0.081 R)
• M20: 24,557,837 km (0.114 R)
• M21: 24,772,211 km (0.091 R)
• M22: 28,969,029 km (0.07 R)
• M23: 30,302,545 km (0.094 R)
• M24: 39,760,421 km (0.052 R)
• M25: 42,168,199 km (0.052 R)
• M26: 46,776,861 km (0.104 R)
• M27: 47,770,490 km (0.11 R)
• M28: 50,316,047 km (0.029 R)
• M29: 52,239,427 km (0.113 R)
• M30: 55,491,385 km (0.083 R)
• M31: 55,860,892 km (0.037 R)
• M32: 57,166,882 km (0.11 R)
• M33: 62,594,891 km (0.036 R)
• M34: 63,196,124 km (0.081 R)
• M35: 64,206,509 km (0.094 R)
• M36: 68,568,483 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 11,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit