🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 11.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.66 AU - 0.8 AU

Year: 431 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,044,992 km

• M1: 146,756 km (0.092 R)
• M2: 665,860 km (0.103 R)
• M3: 1,378,993 km (0.117 R)
• M4: 1,988,156 km (0.115 R)
• M5: 2,538,227 km (0.028 R)
• M6: 3,087,401 km (0.117 R)
• M7: 3,726,333 km (0.049 R)
• M8: 4,187,544 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 9.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.99 AU - 1.37 AU

Year: 885 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,044,992 km

• M1: 118,182 km (0.12 R)
• M2: 539,151 km (0.118 R)
• M3: 853,755 km (0.084 R)
• M4: 1,268,141 km (0.067 R)
• M5: 2,172,759 km (0.111 R)
• M6: 2,983,580 km (0.044 R)
• M7: 3,281,579 km (0.064 R)
• M8: 3,642,559 km (0.082 R)
• M9: 4,091,951 km (0.087 R)
• M10: 4,544,335 km (0.04 R)
• M11: 4,852,656 km (0.114 R)
• M12: 5,530,783 km (0.107 R)
• M13: 6,312,432 km (0.069 R)
• M14: 6,653,664 km (0.071 R)
• M15: 7,327,005 km (0.086 R)
• M16: 7,680,205 km (0.1 R)
• M17: 8,119,275 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.4

Radius: 12.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.29 AU - 1.69 AU

Year: 1255 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,044,992 km

• M1: 156,779 km (0.103 R)
• M2: 556,654 km (0.105 R)
• M3: 1,000,810 km (0.097 R)
• M4: 1,664,875 km (0.097 R)
• M5: 2,245,763 km (0.111 R)
• M6: 2,645,190 km (0.088 R)
• M7: 3,201,544 km (0.111 R)
• M8: 4,108,257 km (0.119 R)
• M9: 4,533,713 km (0.118 R)
• M10: 4,969,791 km (0.043 R)
• M11: 5,615,605 km (0.065 R)
• M12: 7,842,369 km (0.081 R)
• M13: 8,857,690 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 14.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.57 AU

Year: 1281 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,044,992 km

• M1: 179,069 km (0.101 R)
• M2: 745,745 km (0.057 R)
• M3: 1,199,625 km (0.025 R)
• M4: 1,679,087 km (0.027 R)
• M5: 2,221,828 km (0.111 R)
• M6: 2,724,626 km (0.062 R)
• M7: 3,333,190 km (0.098 R)
• M8: 4,712,333 km (0.11 R)
• M9: 5,447,756 km (0.081 R)
• M10: 7,023,770 km (0.07 R)
• M11: 7,823,669 km (0.084 R)
• M12: 9,092,259 km (0.065 R)
• M13: 10,011,389 km (0.077 R)
• M14: 11,575,285 km (0.105 R)
• M15: 12,251,617 km (0.099 R)

Asteroid Belt

Center: 3.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 10.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.18 AU - 5.46 AU

Year: 7304 Days

Day: 10.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,044,992 km

• M1: 125,662 km (0.105 R)
• M2: 598,840 km (0.093 R)
• M3: 1,202,019 km (0.039 R)
• M4: 1,909,766 km (0.107 R)
• M5: 2,342,104 km (0.115 R)
• M6: 2,717,146 km (0.104 R)
• M7: 3,610,245 km (0.111 R)
• M8: 4,068,015 km (0.093 R)
• M9: 4,466,693 km (0.098 R)
• M10: 5,764,156 km (0.051 R)
• M11: 6,147,126 km (0.056 R)
• M12: 6,834,080 km (0.064 R)
• M13: 7,746,178 km (0.067 R)
• M14: 8,585,422 km (0.065 R)
• M15: 8,929,946 km (0.077 R)
• M16: 10,444,325 km (0.106 R)
• M17: 14,995,691 km (0.11 R)
• M18: 15,893,278 km (0.113 R)
• M19: 16,238,998 km (0.066 R)
• M20: 16,707,689 km (0.076 R)
• M21: 17,125,216 km (0.089 R)
• M22: 17,795,415 km (0.057 R)
• M23: 19,253,096 km (0.077 R)
• M24: 23,726,372 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 3.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.82 AU - 8.38 AU

Year: 15913 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,044,992 km

• M1: 47,722 km (0.101 R)
• M2: 386,411 km (0.076 R)
• M3: 1,151,156 km (0.108 R)
• M4: 1,554,621 km (0.082 R)
• M5: 1,816,268 km (0.11 R)
• M6: 2,031,090 km (0.118 R)
• M7: 2,778,780 km (0.026 R)
• M8: 4,714,577 km (0.118 R)
• M9: 9,287,036 km (0.097 R)
• M10: 9,665,518 km (0.073 R)
• M11: 9,923,575 km (0.056 R)
• M12: 11,094,926 km (0.103 R)
• M13: 12,355,438 km (0.026 R)
• M14: 15,563,714 km (0.066 R)
• M15: 16,459,805 km (0.116 R)
• M16: 18,093,563 km (0.035 R)
• M17: 19,151,071 km (0.111 R)
• M18: 21,533,417 km (0.082 R)
• M19: 22,795,574 km (0.084 R)
• M20: 23,871,332 km (0.106 R)
• M21: 26,040,801 km (0.027 R)
• M22: 26,623,933 km (0.091 R)
• M23: 30,215,628 km (0.095 R)
• M24: 30,490,440 km (0.043 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 16,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit