🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,913,416 km

• M1: 143,464 km (0.076 R)
• M2: 506,987 km (0.096 R)
• M3: 873,652 km (0.064 R)
• M4: 1,447,210 km (0.099 R)
• M5: 1,984,266 km (0.089 R)
• M6: 2,474,199 km (0.086 R)
• M7: 2,950,070 km (0.099 R)
• M8: 4,245,139 km (0.11 R)
• M9: 5,065,234 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 10.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.83 AU - 0.97 AU

Year: 579 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,913,416 km

• M1: 128,355 km (0.115 R)
• M2: 609,013 km (0.062 R)
• M3: 932,593 km (0.065 R)
• M4: 1,388,268 km (0.099 R)
• M5: 2,396,558 km (0.062 R)
• M6: 3,614,733 km (0.059 R)
• M7: 4,569,317 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.12 AU - 3.28 AU

Year: 3009 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,913,416 km

• M1: 136,732 km (0.03 R)
• M2: 500,106 km (0.084 R)
• M3: 919,279 km (0.038 R)
• M4: 1,503,459 km (0.089 R)
• M5: 2,038,570 km (0.079 R)
• M6: 2,908,631 km (0.107 R)
• M7: 4,576,049 km (0.097 R)
• M8: 4,974,428 km (0.086 R)
• M9: 6,226,413 km (0.103 R)
• M10: 7,264,024 km (0.099 R)
• M11: 9,158,681 km (0.026 R)
• M12: 11,152,671 km (0.112 R)
• M13: 15,144,989 km (0.097 R)
• M14: 15,506,866 km (0.039 R)
• M15: 16,736,561 km (0.099 R)
• M16: 17,459,867 km (0.105 R)
• M17: 20,374,482 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 8.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.62 AU - 4.02 AU

Year: 5064 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,913,416 km

• M1: 107,411 km (0.047 R)
• M2: 437,723 km (0.061 R)
• M3: 761,304 km (0.067 R)
• M4: 1,286,093 km (0.097 R)
• M5: 1,713,644 km (0.113 R)
• M6: 2,352,726 km (0.095 R)
• M7: 2,978,643 km (0.073 R)
• M8: 3,273,650 km (0.1 R)
• M9: 3,690,430 km (0.058 R)
• M10: 4,187,244 km (0.062 R)
• M11: 4,463,851 km (0.106 R)
• M12: 4,777,258 km (0.067 R)
• M13: 6,180,935 km (0.091 R)
• M14: 7,601,816 km (0.087 R)
• M15: 8,191,381 km (0.084 R)
• M16: 8,552,211 km (0.057 R)
• M17: 11,651,580 km (0.104 R)
• M18: 12,768,178 km (0.106 R)
• M19: 21,275,061 km (0.069 R)
• M20: 23,080,558 km (0.114 R)
• M21: 24,910,738 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 9.8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.8 AU - 4.54 AU

Year: 5776 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,913,416 km

• M1: 125,213 km (0.096 R)
• M2: 542,143 km (0.062 R)
• M3: 1,082,789 km (0.106 R)
• M4: 1,801,607 km (0.075 R)
• M5: 2,906,687 km (0.039 R)
• M6: 4,014,160 km (0.071 R)
• M7: 5,652,256 km (0.084 R)
• M8: 6,792,043 km (0.096 R)
• M9: 8,235,363 km (0.09 R)
• M10: 9,652,055 km (0.118 R)
• M11: 12,071,800 km (0.113 R)
• M12: 12,589,858 km (0.088 R)
• M13: 13,504,349 km (0.116 R)
• M14: 15,525,865 km (0.072 R)
• M15: 18,208,604 km (0.05 R)
• M16: 20,016,046 km (0.046 R)
• M17: 21,636,190 km (0.099 R)
• M18: 22,478,277 km (0.089 R)
• M19: 26,932,105 km (0.099 R)
• M20: 29,365,314 km (0.041 R)
• M21: 31,843,403 km (0.072 R)
• M22: 32,832,544 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.2 AU - 5.2 AU

Year: 6911 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,913,416 km

• M1: 181,612 km (0.088 R)
• M2: 663,317 km (0.078 R)
• M3: 2,734,051 km (0.103 R)
• M4: 3,453,467 km (0.082 R)
• M5: 4,035,253 km (0.038 R)
• M6: 4,883,922 km (0.12 R)
• M7: 5,815,617 km (0.064 R)
• M8: 6,937,003 km (0.101 R)
• M9: 7,828,905 km (0.085 R)
• M10: 8,536,354 km (0.095 R)
• M11: 10,816,524 km (0.114 R)
• M12: 11,484,180 km (0.058 R)
• M13: 15,308,051 km (0.097 R)
• M14: 21,708,895 km (0.097 R)
• M15: 24,129,688 km (0.058 R)
• M16: 28,138,611 km (0.112 R)
• M17: 31,525,956 km (0.109 R)
• M18: 35,176,294 km (0.069 R)
• M19: 39,099,647 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 18,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit