🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.72 AU - 2.22 AU

Year: 990 Days

Day: 25.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.97 AU - 4.35 AU

Year: 2508 Days

Day: 37.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,642,848 km

• M1: 2,496,938 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 10.2

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.36 AU - 8.52 AU

Year: 8782 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 113,642,848 km

• M1: 128,056 km (0.107 R)
• M2: 349,610 km (0.08 R)
• M3: 928,404 km (0.093 R)
• M4: 1,344,735 km (0.094 R)
• M5: 2,092,425 km (0.111 R)
• M6: 3,433,570 km (0.034 R)
• M7: 3,717,058 km (0.092 R)
• M8: 4,206,094 km (0.054 R)
• M9: 5,277,813 km (0.045 R)
• M10: 5,695,490 km (0.086 R)
• M11: 5,994,237 km (0.05 R)
• M12: 6,544,608 km (0.064 R)
• M13: 8,028,170 km (0.098 R)
• M14: 8,264,086 km (0.052 R)
• M15: 9,242,156 km (0.118 R)
• M16: 10,408,870 km (0.117 R)
• M17: 10,858,711 km (0.049 R)
• M18: 14,540,315 km (0.107 R)
• M19: 15,450,169 km (0.118 R)
• M20: 16,952,281 km (0.051 R)
• M21: 17,295,758 km (0.109 R)
• M22: 19,004,166 km (0.063 R)
• M23: 19,734,951 km (0.085 R)
• M24: 20,604,863 km (0.112 R)
• M25: 21,686,605 km (0.066 R)
• M26: 25,168,495 km (0.113 R)
• M27: 27,151,266 km (0.07 R)
• M28: 31,576,520 km (0.116 R)
• M29: 31,810,491 km (0.068 R)
• M30: 37,177,165 km (0.077 R)
• M31: 38,627,517 km (0.073 R)
• M32: 42,239,856 km (0.061 R)
• M33: 46,485,444 km (0.101 R)
• M34: 47,722,319 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 11.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.79 AU - 10.79 AU

Year: 10141 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 113,642,848 km

• M1: 246,088 km (0.091 R)
• M2: 1,195,137 km (0.097 R)
• M3: 4,451,434 km (0.083 R)
• M4: 5,239,965 km (0.081 R)
• M5: 5,598,102 km (0.036 R)
• M6: 7,974,015 km (0.119 R)
• M7: 8,327,216 km (0.095 R)
• M8: 8,718,564 km (0.083 R)
• M9: 10,575,821 km (0.031 R)
• M10: 11,154,765 km (0.093 R)
• M11: 13,779,759 km (0.052 R)
• M12: 14,401,189 km (0.045 R)
• M13: 22,938,440 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.2

Radius: 3.4

Gravity: 66.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 18.31 AU - 22.33 AU

Year: 32806 Days

Day: 19.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 113,642,848 km

• M1: 46,226 km (0.093 R)
• M2: 128,205 km (0.099 R)
• M3: 595,100 km (0.115 R)
• M4: 1,205,759 km (0.099 R)
• M5: 1,492,688 km (0.054 R)
• M6: 2,011,493 km (0.025 R)
• M7: 4,212,526 km (0.092 R)
• M8: 5,206,604 km (0.118 R)
• M9: 7,006,715 km (0.118 R)
• M10: 7,627,995 km (0.059 R)
• M11: 14,334,618 km (0.112 R)
• M12: 18,387,972 km (0.088 R)
• M13: 22,053,569 km (0.035 R)
• M14: 23,653,817 km (0.107 R)
• M15: 26,589,526 km (0.101 R)
• M16: 42,882,080 km (0.105 R)
• M17: 43,847,136 km (0.109 R)
• M18: 50,604,621 km (0.117 R)
• M19: 66,082,915 km (0.097 R)
• M20: 75,230,376 km (0.103 R)
• M21: 75,958,468 km (0.09 R)
• M22: 76,873,708 km (0.116 R)
• M23: 78,906,444 km (0.063 R)
• M24: 81,910,519 km (0.096 R)
• M25: 82,480,038 km (0.057 R)
• M26: 87,890,694 km (0.078 R)
• M27: 104,511,316 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.2

Radius: 7.5

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 20.24 AU - 20.4 AU

Year: 32806 Days

Day: 16.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 113,642,848 km

• M1: 265,985 km (0.105 R)
• M2: 3,979,453 km (0.083 R)
• M3: 4,818,697 km (0.096 R)
• M4: 5,944,421 km (0.101 R)
• M5: 6,688,371 km (0.067 R)
• M6: 8,932,040 km (0.073 R)
• M7: 10,518,077 km (0.111 R)
• M8: 14,564,998 km (0.06 R)
• M9: 19,274,190 km (0.098 R)
• M10: 21,088,662 km (0.114 R)
• M11: 22,276,769 km (0.075 R)
• M12: 30,326,480 km (0.106 R)
• M13: 34,192,688 km (0.048 R)
• M14: 34,817,708 km (0.091 R)
• M15: 55,256,666 km (0.112 R)
• M16: 56,210,502 km (0.042 R)
• M17: 68,646,424 km (0.083 R)
• M18: 75,515,808 km (0.09 R)
• M19: 80,978,674 km (0.063 R)
• M20: 91,660,111 km (0.066 R)
• M21: 91,864,163 km (0.101 R)
• M22: 92,272,864 km (0.08 R)
• M23: 93,093,259 km (0.067 R)
• M24: 94,537,477 km (0.071 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 14,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit