🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.67 AU - 1.01 AU

Year: 296 Days

Day: 29.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 11.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.59 AU - 4.91 AU

Year: 3373 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,945,062 km

• M1: 145,559 km (0.109 R)
• M2: 653,892 km (0.055 R)
• M3: 1,195,137 km (0.08 R)
• M4: 2,287,202 km (0.104 R)
• M5: 2,861,508 km (0.073 R)
• M6: 3,415,170 km (0.118 R)
• M7: 4,667,154 km (0.108 R)
• M8: 5,230,690 km (0.098 R)
• M9: 9,087,771 km (0.091 R)
• M10: 10,531,989 km (0.037 R)
• M11: 11,116,618 km (0.091 R)
• M12: 13,479,815 km (0.077 R)
• M13: 13,871,014 km (0.102 R)
• M14: 15,142,596 km (0.052 R)
• M15: 16,379,920 km (0.087 R)
• M16: 16,769,473 km (0.083 R)
• M17: 18,330,676 km (0.07 R)
• M18: 19,797,782 km (0.118 R)
• M19: 22,414,847 km (0.059 R)
• M20: 22,895,505 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 10.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.83 AU - 5.07 AU

Year: 3614 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,945,062 km

• M1: 129,851 km (0.078 R)
• M2: 499,507 km (0.106 R)
• M3: 921,972 km (0.09 R)
• M4: 1,288,337 km (0.112 R)
• M5: 2,069,387 km (0.109 R)
• M6: 2,609,286 km (0.045 R)
• M7: 3,836,737 km (0.113 R)
• M8: 4,921,920 km (0.109 R)
• M9: 6,361,201 km (0.062 R)
• M10: 7,296,038 km (0.032 R)
• M11: 11,801,477 km (0.091 R)
• M12: 15,550,848 km (0.084 R)
• M13: 17,452,985 km (0.117 R)
• M14: 17,883,827 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 11.6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.91 AU - 5.45 AU

Year: 3898 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,945,062 km

• M1: 144,212 km (0.083 R)
• M2: 629,358 km (0.108 R)
• M3: 2,172,311 km (0.118 R)
• M4: 2,679,896 km (0.068 R)
• M5: 3,055,237 km (0.062 R)
• M6: 3,589,900 km (0.091 R)
• M7: 3,958,060 km (0.066 R)
• M8: 4,745,693 km (0.086 R)
• M9: 5,271,979 km (0.084 R)
• M10: 5,663,476 km (0.059 R)
• M11: 6,695,851 km (0.064 R)
• M12: 7,885,453 km (0.092 R)
• M13: 9,452,341 km (0.057 R)
• M14: 9,905,922 km (0.083 R)
• M15: 11,217,447 km (0.085 R)
• M16: 12,592,251 km (0.098 R)
• M17: 13,294,763 km (0.096 R)
• M18: 14,833,227 km (0.095 R)
• M19: 16,546,272 km (0.076 R)
• M20: 17,267,035 km (0.111 R)
• M21: 17,821,295 km (0.066 R)
• M22: 19,160,944 km (0.109 R)
• M23: 26,635,751 km (0.107 R)
• M24: 27,709,565 km (0.092 R)
• M25: 28,640,512 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 12.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.34 AU - 7.94 AU

Year: 7345 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,945,062 km

• M1: 156,928 km (0.095 R)
• M2: 664,813 km (0.057 R)
• M3: 1,131,110 km (0.116 R)
• M4: 2,227,512 km (0.064 R)
• M5: 2,620,506 km (0.047 R)
• M6: 4,142,365 km (0.089 R)
• M7: 4,629,905 km (0.12 R)
• M8: 5,155,741 km (0.075 R)
• M9: 5,559,954 km (0.068 R)
• M10: 10,219,180 km (0.09 R)
• M11: 11,012,049 km (0.12 R)
• M12: 13,579,148 km (0.083 R)
• M13: 13,993,086 km (0.047 R)
• M14: 15,540,526 km (0.109 R)
• M15: 16,455,467 km (0.087 R)
• M16: 18,392,759 km (0.086 R)
• M17: 19,640,704 km (0.073 R)
• M18: 20,632,538 km (0.083 R)
• M19: 23,216,094 km (0.101 R)
• M20: 23,808,800 km (0.074 R)
• M21: 24,760,542 km (0.09 R)
• M22: 27,110,874 km (0.071 R)
• M23: 27,768,207 km (0.093 R)
• M24: 28,822,723 km (0.077 R)
• M25: 37,889,999 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 8.8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.26 AU - 9.64 AU

Year: 11185 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,945,062 km

• M1: 109,805 km (0.117 R)
• M2: 518,805 km (0.043 R)
• M3: 869,612 km (0.1 R)
• M4: 1,197,980 km (0.046 R)
• M5: 1,594,265 km (0.115 R)
• M6: 1,882,988 km (0.078 R)
• M7: 2,303,358 km (0.114 R)
• M8: 3,755,655 km (0.118 R)
• M9: 4,935,982 km (0.116 R)
• M10: 6,789,499 km (0.087 R)
• M11: 9,837,257 km (0.09 R)
• M12: 10,820,264 km (0.119 R)
• M13: 13,760,311 km (0.093 R)
• M14: 15,199,742 km (0.091 R)
• M15: 16,737,010 km (0.049 R)
• M16: 17,349,015 km (0.084 R)
• M17: 18,055,117 km (0.11 R)
• M18: 19,357,815 km (0.059 R)
• M19: 20,635,081 km (0.04 R)
• M20: 25,198,415 km (0.109 R)
• M21: 25,497,910 km (0.092 R)
• M22: 25,900,927 km (0.05 R)
• M23: 30,392,603 km (0.116 R)
• M24: 32,940,554 km (0.106 R)
• M25: 33,901,421 km (0.055 R)
• M26: 35,128,722 km (0.08 R)
• M27: 37,932,335 km (0.089 R)
• M28: 40,470,862 km (0.108 R)
• M29: 44,125,089 km (0.09 R)
• M30: 45,145,346 km (0.105 R)
• M31: 47,081,591 km (0.091 R)
• M32: 54,377,330 km (0.057 R)
• M33: 56,227,257 km (0.093 R)
• M34: 57,081,910 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 15,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit