🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 12.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.52 AU - 0.72 AU

Year: 337 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,451,910 km

• M1: 157,078 km (0.065 R)
• M2: 555,158 km (0.062 R)
• M3: 1,081,593 km (0.104 R)
• M4: 1,475,633 km (0.047 R)
• M5: 1,947,465 km (0.099 R)
• M6: 3,047,757 km (0.088 R)
• M7: 3,488,772 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 12

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.71 AU - 0.97 AU

Year: 531 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,451,910 km

• M1: 150,047 km (0.117 R)
• M2: 767,886 km (0.039 R)
• M3: 1,184,067 km (0.058 R)
• M4: 1,914,853 km (0.081 R)
• M5: 2,586,846 km (0.091 R)
• M6: 3,051,348 km (0.113 R)
• M7: 3,548,162 km (0.082 R)
• M8: 4,719,813 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.18 AU - 1.24 AU

Year: 919 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,451,910 km

• M1: 164,408 km (0.102 R)
• M2: 656,884 km (0.045 R)
• M3: 1,293,423 km (0.064 R)
• M4: 1,817,764 km (0.044 R)
• M5: 2,281,068 km (0.034 R)
• M6: 3,223,385 km (0.092 R)
• M7: 3,910,937 km (0.076 R)
• M8: 4,428,097 km (0.114 R)
• M9: 5,201,518 km (0.072 R)
• M10: 5,703,568 km (0.113 R)
• M11: 6,237,932 km (0.106 R)
• M12: 6,875,967 km (0.099 R)
• M13: 7,457,155 km (0.114 R)
• M14: 7,992,565 km (0.07 R)
• M15: 8,718,414 km (0.111 R)
• M16: 9,169,003 km (0.041 R)
• M17: 10,615,315 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 9.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.02 AU - 1.56 AU

Year: 1011 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,451,910 km

• M1: 113,096 km (0.045 R)
• M2: 440,865 km (0.064 R)
• M3: 861,983 km (0.1 R)
• M4: 1,150,258 km (0.099 R)
• M5: 1,450,651 km (0.109 R)
• M6: 1,812,827 km (0.068 R)
• M7: 2,415,557 km (0.065 R)
• M8: 2,769,954 km (0.035 R)
• M9: 3,265,422 km (0.089 R)
• M10: 3,939,810 km (0.063 R)
• M11: 4,721,458 km (0.117 R)
• M12: 6,186,321 km (0.107 R)
• M13: 7,521,631 km (0.097 R)
• M14: 7,883,509 km (0.118 R)
• M15: 8,358,631 km (0.092 R)
• M16: 8,720,808 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 10.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.52 AU - 1.68 AU

Year: 1397 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,451,910 km

• M1: 129,402 km (0.109 R)
• M2: 552,465 km (0.029 R)
• M3: 963,261 km (0.064 R)
• M4: 1,507,049 km (0.034 R)
• M5: 2,218,985 km (0.104 R)
• M6: 2,955,007 km (0.066 R)
• M7: 3,374,030 km (0.106 R)
• M8: 4,113,044 km (0.101 R)
• M9: 4,794,911 km (0.09 R)
• M10: 5,358,895 km (0.06 R)
• M11: 6,172,707 km (0.078 R)
• M12: 6,699,441 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 9

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2 AU - 2.82 AU

Year: 2582 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,451,910 km

• M1: 112,049 km (0.112 R)
• M2: 705,055 km (0.056 R)
• M3: 1,211,593 km (0.112 R)
• M4: 2,126,983 km (0.099 R)
• M5: 3,053,293 km (0.1 R)
• M6: 3,675,171 km (0.098 R)
• M7: 4,693,783 km (0.094 R)
• M8: 5,244,153 km (0.067 R)
• M9: 5,756,975 km (0.079 R)
• M10: 6,853,078 km (0.083 R)
• M11: 8,523,488 km (0.065 R)
• M12: 17,997,671 km (0.074 R)
• M13: 18,400,239 km (0.098 R)
• M14: 19,765,469 km (0.118 R)
• M15: 21,133,242 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.1

Radius: 7.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.17 AU - 9.53 AU

Year: 19735 Days

Day: 15.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,451,910 km

• M1: 90,058 km (0.074 R)
• M2: 325,226 km (0.097 R)
• M3: 814,860 km (0.072 R)
• M4: 1,056,759 km (0.096 R)
• M5: 3,241,786 km (0.114 R)
• M6: 4,140,869 km (0.115 R)
• M7: 18,021,307 km (0.089 R)
• M8: 19,536,734 km (0.072 R)
• M9: 27,714,801 km (0.111 R)
• M10: 27,972,259 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 13,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit