🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.52 AU - 0.84 AU

Year: 197 Days

Day: 19.9 Hours

Environment

Temp: 145 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,980,934 km

• M1: 185,501 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.46 AU - 2.26 AU

Year: 892 Days

Day: 47.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.72 AU - 2.28 AU

Year: 994 Days

Day: 46.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 10.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.79 AU - 9.53 AU

Year: 9744 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,980,934 km

• M1: 135,835 km (0.115 R)
• M2: 466,745 km (0.039 R)
• M3: 784,042 km (0.081 R)
• M4: 1,220,569 km (0.103 R)
• M5: 1,589,777 km (0.09 R)
• M6: 2,148,824 km (0.115 R)
• M7: 2,694,706 km (0.102 R)
• M8: 3,588,105 km (0.115 R)
• M9: 7,456,407 km (0.091 R)
• M10: 7,982,692 km (0.111 R)
• M11: 8,885,066 km (0.037 R)
• M12: 11,358,667 km (0.111 R)
• M13: 12,611,699 km (0.095 R)
• M14: 13,418,331 km (0.109 R)
• M15: 16,446,042 km (0.053 R)
• M16: 17,690,397 km (0.066 R)
• M17: 19,749,013 km (0.054 R)
• M18: 21,314,106 km (0.082 R)
• M19: 23,555,681 km (0.077 R)
• M20: 25,134,836 km (0.065 R)
• M21: 32,371,782 km (0.077 R)
• M22: 33,554,054 km (0.115 R)
• M23: 40,145,037 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 9.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 9.62 AU - 14.42 AU

Year: 14647 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,980,934 km

• M1: 210,484 km (0.05 R)
• M2: 864,825 km (0.078 R)
• M3: 1,202,168 km (0.094 R)
• M4: 3,410,083 km (0.091 R)
• M5: 3,894,033 km (0.081 R)
• M6: 4,362,274 km (0.084 R)
• M7: 7,506,372 km (0.084 R)
• M8: 11,379,312 km (0.119 R)
• M9: 21,128,754 km (0.027 R)
• M10: 22,573,421 km (0.091 R)
• M11: 23,319,765 km (0.106 R)
• M12: 31,829,490 km (0.066 R)
• M13: 33,124,559 km (0.09 R)
• M14: 33,724,746 km (0.109 R)
• M15: 44,776,288 km (0.116 R)
• M16: 46,700,566 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.3

Radius: 6.9

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 10.49 AU - 16.21 AU

Year: 17144 Days

Day: 17.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,980,934 km

• M1: 86,019 km (0.113 R)
• M2: 333,304 km (0.08 R)
• M3: 555,906 km (0.104 R)
• M4: 790,475 km (0.103 R)
• M5: 1,292,077 km (0.068 R)
• M6: 1,516,773 km (0.108 R)
• M7: 3,089,794 km (0.115 R)
• M8: 4,317,843 km (0.114 R)
• M9: 4,721,758 km (0.03 R)
• M10: 5,643,879 km (0.116 R)
• M11: 6,725,023 km (0.113 R)
• M12: 7,267,913 km (0.076 R)
• M13: 7,742,438 km (0.081 R)
• M14: 7,987,180 km (0.109 R)
• M15: 9,235,425 km (0.089 R)
• M16: 9,678,982 km (0.053 R)
• M17: 10,608,583 km (0.106 R)
• M18: 13,896,894 km (0.118 R)
• M19: 16,165,097 km (0.098 R)
• M20: 16,972,926 km (0.079 R)
• M21: 17,977,475 km (0.084 R)
• M22: 19,109,931 km (0.086 R)
• M23: 21,228,686 km (0.052 R)
• M24: 21,516,063 km (0.068 R)
• M25: 22,000,910 km (0.066 R)
• M26: 24,013,450 km (0.056 R)
• M27: 26,365,278 km (0.108 R)
• M28: 26,697,535 km (0.11 R)
• M29: 28,749,569 km (0.065 R)
• M30: 29,575,200 km (0.103 R)
• M31: 30,054,063 km (0.041 R)
• M32: 31,150,316 km (0.086 R)
• M33: 33,941,962 km (0.108 R)
• M34: 38,862,684 km (0.114 R)
• M35: 42,092,502 km (0.057 R)
• M36: 43,463,866 km (0.098 R)
• M37: 45,496,901 km (0.071 R)
• M38: 60,758,726 km (0.054 R)
• M39: 65,095,569 km (0.081 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 16,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit