🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 14.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.9 AU - 1.4 AU

Year: 851 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,555,944 km

• M1: 175,329 km (0.088 R)
• M2: 637,885 km (0.101 R)
• M3: 1,085,781 km (0.106 R)
• M4: 1,749,846 km (0.059 R)
• M5: 2,575,926 km (0.115 R)
• M6: 3,875,183 km (0.096 R)
• M7: 4,341,779 km (0.082 R)
• M8: 4,917,282 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 10.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.1 AU - 1.52 AU

Year: 1035 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,555,944 km

• M1: 130,599 km (0.06 R)
• M2: 486,642 km (0.066 R)
• M3: 833,260 km (0.074 R)
• M4: 1,171,351 km (0.086 R)
• M5: 1,571,376 km (0.081 R)
• M6: 3,222,787 km (0.11 R)
• M7: 4,289,569 km (0.079 R)
• M8: 5,128,215 km (0.047 R)
• M9: 5,654,500 km (0.051 R)
• M10: 6,154,606 km (0.117 R)
• M11: 6,662,192 km (0.119 R)
• M12: 7,289,605 km (0.092 R)
• M13: 8,253,614 km (0.101 R)
• M14: 9,004,146 km (0.087 R)

Asteroid Belt

Center: 2.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 11.7

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.05 AU - 4.45 AU

Year: 6048 Days

Day: 14.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,555,944 km

• M1: 146,606 km (0.049 R)
• M2: 619,036 km (0.059 R)
• M3: 1,006,943 km (0.096 R)
• M4: 2,832,037 km (0.087 R)
• M5: 3,692,823 km (0.108 R)
• M6: 4,447,096 km (0.044 R)
• M7: 5,331,668 km (0.082 R)
• M8: 7,524,922 km (0.104 R)
• M9: 8,950,889 km (0.056 R)
• M10: 10,027,994 km (0.104 R)
• M11: 11,750,913 km (0.107 R)
• M12: 12,224,240 km (0.094 R)
• M13: 13,041,194 km (0.12 R)
• M14: 13,663,372 km (0.101 R)
• M15: 14,905,782 km (0.11 R)
• M16: 15,336,325 km (0.096 R)
• M17: 17,075,101 km (0.066 R)
• M18: 19,013,441 km (0.074 R)
• M19: 21,794,315 km (0.102 R)
• M20: 23,987,271 km (0.073 R)
• M21: 27,135,259 km (0.076 R)
• M22: 30,548,633 km (0.073 R)
• M23: 32,460,793 km (0.098 R)
• M24: 38,444,708 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.6

Radius: 10.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.01 AU - 4.73 AU

Year: 6306 Days

Day: 5.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,555,944 km

• M1: 138,976 km (0.041 R)
• M2: 1,015,770 km (0.059 R)
• M3: 2,659,551 km (0.1 R)
• M4: 5,601,393 km (0.076 R)
• M5: 7,391,182 km (0.069 R)
• M6: 7,916,121 km (0.103 R)
• M7: 13,547,733 km (0.117 R)
• M8: 14,524,457 km (0.091 R)
• M9: 16,307,365 km (0.085 R)
• M10: 18,231,642 km (0.118 R)
• M11: 18,622,691 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 10.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.33 AU - 6.67 AU

Year: 8903 Days

Day: 11.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,555,944 km

• M1: 133,142 km (0.036 R)
• M2: 623,075 km (0.089 R)
• M3: 1,074,113 km (0.082 R)
• M4: 2,046,798 km (0.102 R)
• M5: 3,758,796 km (0.074 R)
• M6: 5,063,888 km (0.115 R)
• M7: 6,534,585 km (0.07 R)
• M8: 7,410,031 km (0.096 R)
• M9: 8,094,442 km (0.11 R)
• M10: 8,452,130 km (0.104 R)
• M11: 11,041,968 km (0.096 R)
• M12: 12,223,792 km (0.119 R)
• M13: 12,576,543 km (0.094 R)
• M14: 13,364,027 km (0.101 R)
• M15: 13,738,470 km (0.06 R)
• M16: 15,104,598 km (0.042 R)
• M17: 15,717,051 km (0.119 R)
• M18: 19,345,997 km (0.091 R)
• M19: 19,825,607 km (0.066 R)
• M20: 22,431,154 km (0.083 R)
• M21: 23,318,269 km (0.106 R)
• M22: 25,447,196 km (0.078 R)
• M23: 26,023,298 km (0.104 R)
• M24: 29,138,972 km (0.088 R)
• M25: 29,663,762 km (0.113 R)
• M26: 33,976,369 km (0.026 R)
• M27: 34,792,276 km (0.097 R)
• M28: 38,187,100 km (0.051 R)
• M29: 39,451,352 km (0.116 R)
• M30: 39,964,622 km (0.078 R)
• M31: 41,136,123 km (0.049 R)
• M32: 41,664,054 km (0.079 R)
• M33: 45,066,658 km (0.1 R)
• M34: 48,944,683 km (0.106 R)
• M35: 49,686,539 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.7

Radius: 4.3

Gravity: 50.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.53 AU - 7.53 AU

Year: 14263 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,555,944 km

• M1: 53,556 km (0.057 R)
• M2: 415,284 km (0.11 R)
• M3: 772,224 km (0.12 R)
• M4: 1,172,698 km (0.054 R)
• M5: 1,309,729 km (0.066 R)
• M6: 1,457,382 km (0.079 R)
• M7: 1,632,562 km (0.112 R)
• M8: 1,968,708 km (0.114 R)
• M9: 2,265,361 km (0.078 R)
• M10: 2,947,676 km (0.07 R)
• M11: 3,099,069 km (0.108 R)
• M12: 4,182,158 km (0.072 R)
• M13: 4,671,792 km (0.099 R)
• M14: 5,725,559 km (0.097 R)
• M15: 6,666,829 km (0.106 R)
• M16: 17,748,890 km (0.1 R)
• M17: 17,915,243 km (0.043 R)
• M18: 18,251,239 km (0.099 R)
• M19: 18,935,650 km (0.032 R)
• M20: 19,196,698 km (0.113 R)
• M21: 19,372,027 km (0.026 R)
• M22: 20,355,782 km (0.112 R)
• M23: 20,538,142 km (0.054 R)
• M24: 20,906,003 km (0.116 R)
• M25: 21,655,189 km (0.079 R)
• M26: 21,845,179 km (0.033 R)
• M27: 27,296,375 km (0.057 R)
• M28: 30,274,121 km (0.083 R)
• M29: 32,457,951 km (0.047 R)
• M30: 47,001,856 km (0.115 R)
• M31: 48,772,347 km (0.113 R)
• M32: 49,921,857 km (0.065 R)
• M33: 56,299,064 km (0.096 R)
• M34: 57,745,825 km (0.026 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 12,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit