🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 11.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.67 AU - 0.73 AU

Year: 384 Days

Day: 12.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,912,793 km

• M1: 146,756 km (0.118 R)
• M2: 534,812 km (0.077 R)
• M3: 1,025,793 km (0.04 R)
• M4: 1,485,208 km (0.104 R)
• M5: 1,866,682 km (0.053 R)
• M6: 2,426,178 km (0.114 R)
• M7: 2,834,132 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 9.9

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.78 AU - 0.86 AU

Year: 487 Days

Day: 9.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,912,793 km

• M1: 123,119 km (0.075 R)
• M2: 520,152 km (0.107 R)
• M3: 919,129 km (0.038 R)
• M4: 1,345,483 km (0.07 R)
• M5: 1,670,260 km (0.091 R)
• M6: 2,315,177 km (0.095 R)
• M7: 2,798,827 km (0.047 R)
• M8: 3,153,822 km (0.11 R)
• M9: 3,817,738 km (0.118 R)
• M10: 4,197,567 km (0.116 R)
• M11: 4,871,206 km (0.097 R)
• M12: 6,014,732 km (0.104 R)
• M13: 6,932,066 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.84 AU - 1.12 AU

Year: 636 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,912,793 km

• M1: 99,483 km (0.058 R)
• M2: 411,993 km (0.081 R)
• M3: 695,032 km (0.117 R)
• M4: 1,036,713 km (0.06 R)
• M5: 1,417,141 km (0.053 R)
• M6: 1,837,062 km (0.067 R)
• M7: 2,307,846 km (0.106 R)
• M8: 2,709,068 km (0.091 R)
• M9: 3,345,906 km (0.118 R)
• M10: 3,734,561 km (0.066 R)
• M11: 4,138,176 km (0.042 R)
• M12: 5,083,934 km (0.077 R)
• M13: 5,381,634 km (0.093 R)
• M14: 5,859,300 km (0.066 R)
• M15: 6,649,027 km (0.116 R)
• M16: 7,069,696 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 13.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.88 AU - 1.12 AU

Year: 656 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,912,793 km

• M1: 171,589 km (0.088 R)
• M2: 663,467 km (0.086 R)
• M3: 1,120,937 km (0.079 R)
• M4: 1,756,877 km (0.088 R)
• M5: 2,898,908 km (0.059 R)
• M6: 3,650,936 km (0.101 R)
• M7: 4,367,510 km (0.051 R)
• M8: 4,838,444 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 9.1

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.33 AU - 3.25 AU

Year: 3057 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,912,793 km

• M1: 113,246 km (0.104 R)
• M2: 970,292 km (0.099 R)
• M3: 1,356,853 km (0.102 R)
• M4: 1,748,350 km (0.096 R)
• M5: 2,372,473 km (0.105 R)
• M6: 3,647,645 km (0.091 R)
• M7: 5,076,903 km (0.056 R)
• M8: 5,645,076 km (0.055 R)
• M9: 7,251,757 km (0.064 R)
• M10: 8,006,628 km (0.05 R)
• M11: 9,442,917 km (0.09 R)
• M12: 9,827,383 km (0.11 R)
• M13: 11,170,623 km (0.075 R)
• M14: 13,289,377 km (0.117 R)
• M15: 17,260,902 km (0.049 R)
• M16: 18,603,393 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 14.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.78 AU - 4.12 AU

Year: 5150 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,912,793 km

• M1: 183,407 km (0.105 R)
• M2: 830,418 km (0.102 R)
• M3: 1,419,534 km (0.114 R)
• M4: 2,026,752 km (0.094 R)
• M5: 2,714,154 km (0.107 R)
• M6: 3,215,307 km (0.106 R)
• M7: 4,993,577 km (0.065 R)
• M8: 5,601,543 km (0.108 R)
• M9: 6,065,745 km (0.112 R)
• M10: 6,966,773 km (0.115 R)
• M11: 7,468,225 km (0.09 R)
• M12: 9,035,711 km (0.111 R)
• M13: 10,211,700 km (0.055 R)
• M14: 11,243,477 km (0.119 R)
• M15: 12,656,129 km (0.084 R)
• M16: 13,569,724 km (0.101 R)
• M17: 15,288,902 km (0.112 R)
• M18: 17,084,974 km (0.04 R)
• M19: 18,000,813 km (0.092 R)
• M20: 18,811,633 km (0.11 R)
• M21: 21,390,850 km (0.095 R)
• M22: 22,921,535 km (0.078 R)
• M23: 23,474,150 km (0.104 R)
• M24: 26,891,863 km (0.09 R)
• M25: 27,418,447 km (0.095 R)
• M26: 28,764,978 km (0.106 R)
• M27: 30,155,191 km (0.08 R)
• M28: 31,395,956 km (0.035 R)
• M29: 33,370,947 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.7

Radius: 3.9

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.42 AU - 10.8 AU

Year: 21088 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,912,793 km

• M1: 54,753 km (0.105 R)
• M2: 229,034 km (0.085 R)
• M3: 936,782 km (0.07 R)
• M4: 1,296,565 km (0.095 R)
• M5: 2,613,624 km (0.047 R)
• M6: 3,769,717 km (0.106 R)
• M7: 4,082,825 km (0.068 R)
• M8: 5,298,757 km (0.087 R)
• M9: 5,474,833 km (0.042 R)
• M10: 6,737,290 km (0.053 R)
• M11: 7,769,066 km (0.088 R)
• M12: 8,181,807 km (0.036 R)
• M13: 13,862,337 km (0.069 R)
• M14: 16,617,780 km (0.1 R)
• M15: 16,995,365 km (0.035 R)
• M16: 18,482,967 km (0.044 R)
• M17: 19,134,615 km (0.119 R)
• M18: 19,801,223 km (0.113 R)
• M19: 32,205,729 km (0.118 R)
• M20: 36,210,913 km (0.044 R)
• M21: 41,911,040 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.5

Radius: 3.3

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.38 AU - 11.54 AU

Year: 23803 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,912,793 km

• M1: 41,588 km (0.109 R)
• M2: 160,967 km (0.073 R)
• M3: 295,306 km (0.041 R)
• M4: 611,107 km (0.082 R)
• M5: 1,051,523 km (0.075 R)
• M6: 1,300,753 km (0.098 R)
• M7: 1,487,900 km (0.076 R)
• M8: 1,746,705 km (0.088 R)
• M9: 1,915,900 km (0.11 R)
• M10: 2,536,432 km (0.061 R)
• M11: 2,854,178 km (0.062 R)
• M12: 3,568,059 km (0.099 R)
• M13: 4,851,010 km (0.074 R)
• M14: 5,695,789 km (0.105 R)
• M15: 7,186,981 km (0.098 R)
• M16: 8,756,711 km (0.106 R)
• M17: 11,680,901 km (0.092 R)
• M18: 13,686,111 km (0.094 R)
• M19: 14,962,181 km (0.055 R)
• M20: 15,909,285 km (0.09 R)
• M21: 16,645,306 km (0.107 R)
• M22: 16,811,958 km (0.079 R)
• M23: 25,184,502 km (0.118 R)
• M24: 26,295,267 km (0.118 R)
• M25: 30,814,020 km (0.039 R)
• M26: 40,441,540 km (0.097 R)
• M27: 42,892,552 km (0.104 R)
• M28: 43,205,660 km (0.107 R)
• M29: 44,794,390 km (0.054 R)
• M30: 45,278,638 km (0.078 R)
• M31: 45,440,652 km (0.092 R)
• M32: 45,766,177 km (0.113 R)
• M33: 47,751,491 km (0.084 R)
• M34: 48,087,936 km (0.119 R)
• M35: 52,605,792 km (0.038 R)
• M36: 62,674,626 km (0.111 R)
• M37: 63,077,793 km (0.049 R)
• M38: 64,502,712 km (0.095 R)
• M39: 68,264,949 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 10,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit