🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 8.1

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.5 AU - 0.78 AU

Year: 360 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 158.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,739,460 km

• M1: 100,679 km (0.091 R)
• M2: 357,240 km (0.091 R)
• M3: 626,665 km (0.085 R)
• M4: 923,168 km (0.069 R)
• M5: 1,248,843 km (0.111 R)
• M6: 1,716,935 km (0.085 R)
• M7: 2,007,454 km (0.105 R)
• M8: 2,322,357 km (0.058 R)
• M9: 2,580,114 km (0.114 R)
• M10: 3,092,936 km (0.058 R)
• M11: 3,570,752 km (0.055 R)
• M12: 4,270,720 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 8.8

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.04 AU - 1.36 AU

Year: 924 Days

Day: 10.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,739,460 km

• M1: 109,506 km (0.118 R)
• M2: 556,205 km (0.12 R)
• M3: 832,063 km (0.118 R)
• M4: 1,275,322 km (0.069 R)
• M5: 2,816,629 km (0.086 R)
• M6: 3,683,100 km (0.11 R)
• M7: 4,979,664 km (0.101 R)
• M8: 5,493,234 km (0.12 R)
• M9: 6,151,464 km (0.119 R)
• M10: 6,672,813 km (0.087 R)
• M11: 8,334,097 km (0.026 R)
• M12: 9,377,393 km (0.094 R)
• M13: 9,673,896 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 11.2

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.72 AU - 2.46 AU

Year: 2124 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,739,460 km

• M1: 139,276 km (0.084 R)
• M2: 868,715 km (0.1 R)
• M3: 1,842,298 km (0.112 R)
• M4: 2,309,941 km (0.044 R)
• M5: 2,752,152 km (0.118 R)
• M6: 3,452,569 km (0.112 R)
• M7: 6,100,751 km (0.066 R)
• M8: 11,516,343 km (0.041 R)
• M9: 12,399,420 km (0.088 R)
• M10: 13,985,456 km (0.054 R)
• M11: 15,415,163 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 8.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.9 AU - 2.82 AU

Year: 2548 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,739,460 km

• M1: 105,766 km (0.102 R)
• M2: 442,361 km (0.058 R)
• M3: 734,974 km (0.103 R)
• M4: 1,004,998 km (0.107 R)
• M5: 1,535,173 km (0.101 R)
• M6: 1,912,459 km (0.042 R)
• M7: 2,289,446 km (0.11 R)
• M8: 2,554,832 km (0.066 R)
• M9: 3,058,080 km (0.12 R)
• M10: 3,333,789 km (0.113 R)
• M11: 4,452,033 km (0.055 R)
• M12: 5,267,640 km (0.082 R)
• M13: 5,756,825 km (0.089 R)
• M14: 6,324,699 km (0.093 R)
• M15: 6,698,245 km (0.12 R)
• M16: 7,627,397 km (0.107 R)
• M17: 9,739,420 km (0.05 R)
• M18: 12,794,208 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.8

Radius: 9.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.23 AU - 4.75 AU

Year: 6688 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,739,460 km

• M1: 119,379 km (0.112 R)
• M2: 431,141 km (0.055 R)
• M3: 1,342,641 km (0.103 R)
• M4: 1,673,103 km (0.109 R)
• M5: 2,225,119 km (0.111 R)
• M6: 2,552,888 km (0.08 R)
• M7: 3,538,139 km (0.11 R)
• M8: 4,576,049 km (0.045 R)
• M9: 5,082,438 km (0.091 R)
• M10: 6,019,220 km (0.118 R)
• M11: 7,382,505 km (0.054 R)
• M12: 7,670,780 km (0.076 R)
• M13: 8,270,069 km (0.099 R)
• M14: 9,477,773 km (0.111 R)
• M15: 13,911,704 km (0.069 R)
• M16: 14,746,161 km (0.09 R)
• M17: 16,029,711 km (0.082 R)
• M18: 17,196,874 km (0.086 R)
• M19: 17,513,273 km (0.07 R)
• M20: 18,817,767 km (0.102 R)
• M21: 21,766,041 km (0.102 R)
• M22: 22,813,526 km (0.079 R)
• M23: 25,008,874 km (0.088 R)
• M24: 26,157,786 km (0.076 R)
• M25: 31,012,985 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 8.6

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.86 AU - 5.5 AU

Year: 7117 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,739,460 km

• M1: 107,561 km (0.102 R)
• M2: 599,588 km (0.038 R)
• M3: 947,852 km (0.103 R)
• M4: 1,442,123 km (0.079 R)
• M5: 1,832,724 km (0.109 R)
• M6: 2,259,825 km (0.093 R)
• M7: 2,677,802 km (0.111 R)
• M8: 3,105,353 km (0.115 R)
• M9: 3,645,999 km (0.102 R)
• M10: 4,480,606 km (0.108 R)
• M11: 8,866,666 km (0.097 R)
• M12: 11,821,822 km (0.066 R)
• M13: 13,969,599 km (0.102 R)
• M14: 14,897,405 km (0.083 R)
• M15: 15,803,968 km (0.057 R)
• M16: 16,176,616 km (0.059 R)
• M17: 17,994,230 km (0.106 R)
• M18: 20,160,856 km (0.108 R)
• M19: 20,599,477 km (0.116 R)
• M20: 22,184,766 km (0.111 R)
• M21: 23,687,776 km (0.114 R)
• M22: 24,176,213 km (0.098 R)
• M23: 25,173,282 km (0.09 R)
• M24: 28,056,033 km (0.104 R)
• M25: 33,033,903 km (0.066 R)
• M26: 34,990,493 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.6

Radius: 3.9

Gravity: 57.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.47 AU - 9.79 AU

Year: 19392 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,739,460 km

• M1: 48,619 km (0.098 R)
• M2: 567,724 km (0.107 R)
• M3: 955,482 km (0.104 R)
• M4: 1,601,744 km (0.059 R)
• M5: 2,767,710 km (0.084 R)
• M6: 3,361,913 km (0.052 R)
• M7: 3,508,070 km (0.116 R)
• M8: 3,658,566 km (0.105 R)
• M9: 3,781,984 km (0.059 R)
• M10: 4,909,054 km (0.06 R)
• M11: 5,899,542 km (0.109 R)
• M12: 7,953,969 km (0.075 R)
• M13: 8,319,586 km (0.074 R)
• M14: 18,635,407 km (0.115 R)
• M15: 19,559,922 km (0.03 R)
• M16: 25,532,467 km (0.118 R)
• M17: 26,556,165 km (0.084 R)
• M18: 27,488,908 km (0.082 R)
• M19: 29,050,859 km (0.107 R)
• M20: 34,913,600 km (0.03 R)
• M21: 37,608,905 km (0.111 R)
• M22: 38,635,894 km (0.059 R)
• M23: 46,353,499 km (0.074 R)
• M24: 49,253,902 km (0.071 R)
• M25: 50,837,246 km (0.12 R)
• M26: 59,068,570 km (0.067 R)
• M27: 60,255,479 km (0.088 R)
• M28: 63,086,768 km (0.092 R)
• M29: 65,372,474 km (0.097 R)
• M30: 69,230,903 km (0.111 R)
• M31: 74,149,381 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit