🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.59 AU - 0.63 AU

Year: 170 Days

Day: 13.3 Hours

Environment

Temp: 179 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.84 AU - 1.2 AU

Year: 367 Days

Day: 20.2 Hours

Environment

Temp: 81 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.95 AU - 4.39 AU

Year: 3035 Days

Day: 41.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 8.2

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.25 AU - 7.57 AU

Year: 5785 Days

Day: 6.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,919,336 km

• M1: 112,198 km (0.093 R)
• M2: 477,068 km (0.106 R)
• M3: 2,391,172 km (0.054 R)
• M4: 4,724,151 km (0.053 R)
• M5: 7,697,858 km (0.11 R)
• M6: 8,112,094 km (0.092 R)
• M7: 11,683,743 km (0.093 R)
• M8: 13,647,664 km (0.079 R)
• M9: 15,464,081 km (0.049 R)
• M10: 16,865,365 km (0.115 R)
• M11: 19,225,570 km (0.066 R)
• M12: 23,088,337 km (0.075 R)
• M13: 24,509,816 km (0.034 R)
• M14: 26,494,531 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.7

Radius: 4.2

Gravity: 38.87 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.67 AU - 15.39 AU

Year: 16765 Days

Day: 18.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,919,336 km

• M1: 52,210 km (0.071 R)
• M2: 267,032 km (0.071 R)
• M3: 487,390 km (0.118 R)
• M4: 634,744 km (0.079 R)
• M5: 772,224 km (0.059 R)
• M6: 1,147,266 km (0.106 R)
• M7: 2,571,587 km (0.072 R)
• M8: 2,733,303 km (0.12 R)
• M9: 3,449,577 km (0.062 R)
• M10: 3,821,328 km (0.12 R)
• M11: 5,579,701 km (0.092 R)
• M12: 5,772,982 km (0.108 R)
• M13: 7,530,158 km (0.083 R)
• M14: 7,862,116 km (0.098 R)
• M15: 9,021,649 km (0.113 R)
• M16: 10,175,946 km (0.086 R)
• M17: 10,699,389 km (0.104 R)
• M18: 14,009,990 km (0.095 R)
• M19: 14,951,559 km (0.082 R)
• M20: 15,780,481 km (0.117 R)
• M21: 18,028,039 km (0.109 R)
• M22: 18,535,924 km (0.067 R)
• M23: 19,053,234 km (0.114 R)
• M24: 23,745,371 km (0.109 R)
• M25: 25,185,101 km (0.075 R)
• M26: 25,713,032 km (0.119 R)
• M27: 28,237,047 km (0.062 R)
• M28: 42,018,601 km (0.073 R)
• M29: 42,910,354 km (0.101 R)
• M30: 43,360,943 km (0.095 R)
• M31: 43,663,131 km (0.091 R)
• M32: 46,131,196 km (0.113 R)
• M33: 57,295,835 km (0.096 R)
• M34: 60,249,794 km (0.057 R)
• M35: 65,660,600 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 4.5

Gravity: 33.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 12.6 AU - 13.46 AU

Year: 16765 Days

Day: 21.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,919,336 km

• M1: 55,950 km (0.04 R)
• M2: 593,305 km (0.099 R)
• M3: 1,594,414 km (0.119 R)
• M4: 2,256,833 km (0.118 R)
• M5: 3,541,580 km (0.034 R)
• M6: 3,918,866 km (0.088 R)
• M7: 4,070,857 km (0.086 R)
• M8: 6,176,447 km (0.068 R)
• M9: 6,984,874 km (0.092 R)
• M10: 8,055,097 km (0.105 R)
• M11: 11,538,185 km (0.066 R)
• M12: 12,234,563 km (0.106 R)
• M13: 12,494,564 km (0.055 R)
• M14: 13,991,141 km (0.069 R)
• M15: 14,419,140 km (0.082 R)
• M16: 15,679,353 km (0.095 R)
• M17: 17,253,721 km (0.088 R)
• M18: 17,911,951 km (0.074 R)
• M19: 20,347,554 km (0.106 R)
• M20: 23,791,896 km (0.083 R)
• M21: 38,321,888 km (0.118 R)
• M22: 62,885,709 km (0.09 R)
• M23: 63,271,971 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.8

Radius: 6.8

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 12.07 AU - 14.39 AU

Year: 17153 Days

Day: 15.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,919,336 km

• M1: 89,310 km (0.09 R)
• M2: 482,154 km (0.082 R)
• M3: 1,124,078 km (0.109 R)
• M4: 1,356,254 km (0.068 R)
• M5: 2,082,253 km (0.117 R)
• M6: 2,334,026 km (0.119 R)
• M7: 3,419,957 km (0.105 R)
• M8: 4,059,338 km (0.058 R)
• M9: 4,361,227 km (0.081 R)
• M10: 5,077,950 km (0.112 R)
• M11: 7,519,088 km (0.061 R)
• M12: 10,762,220 km (0.073 R)
• M13: 11,049,299 km (0.112 R)
• M14: 13,138,583 km (0.065 R)
• M15: 17,286,782 km (0.048 R)
• M16: 25,025,629 km (0.056 R)
• M17: 27,936,654 km (0.095 R)
• M18: 41,278,690 km (0.107 R)
• M19: 44,877,716 km (0.112 R)
• M20: 47,903,183 km (0.108 R)
• M21: 54,021,287 km (0.099 R)
• M22: 54,694,178 km (0.119 R)
• M23: 55,884,977 km (0.031 R)
• M24: 56,400,641 km (0.102 R)
• M25: 59,026,233 km (0.063 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 11,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit