🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 10.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.49 AU - 0.77 AU

Year: 333 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,276,766 km

• M1: 135,536 km (0.089 R)
• M2: 499,208 km (0.102 R)
• M3: 960,269 km (0.119 R)
• M4: 1,494,782 km (0.106 R)
• M5: 1,878,800 km (0.117 R)
• M6: 2,622,899 km (0.094 R)
• M7: 2,979,092 km (0.094 R)
• M8: 3,480,394 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.3

Radius: 13.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.83 AU - 1.03 AU

Year: 598 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,276,766 km

• M1: 168,298 km (0.116 R)
• M2: 663,915 km (0.058 R)
• M3: 1,107,024 km (0.047 R)
• M4: 1,595,760 km (0.107 R)
• M5: 2,123,691 km (0.058 R)
• M6: 2,602,853 km (0.093 R)
• M7: 3,154,421 km (0.074 R)
• M8: 4,291,664 km (0.111 R)
• M9: 5,083,036 km (0.107 R)
• M10: 6,078,161 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 10

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.48 AU - 1.74 AU

Year: 1362 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,276,766 km

• M1: 124,465 km (0.079 R)
• M2: 436,826 km (0.052 R)
• M3: 775,366 km (0.116 R)
• M4: 1,751,791 km (0.082 R)
• M5: 2,249,952 km (0.114 R)
• M6: 2,704,131 km (0.079 R)
• M7: 3,264,375 km (0.068 R)
• M8: 3,597,230 km (0.083 R)
• M9: 3,970,178 km (0.082 R)
• M10: 4,313,056 km (0.044 R)
• M11: 5,162,922 km (0.098 R)
• M12: 5,661,382 km (0.11 R)
• M13: 5,980,324 km (0.098 R)
• M14: 6,679,545 km (0.108 R)
• M15: 7,036,037 km (0.112 R)
• M16: 7,983,440 km (0.11 R)
• M17: 8,298,194 km (0.075 R)
• M18: 9,834,714 km (0.048 R)
• M19: 10,230,101 km (0.095 R)
• M20: 12,330,904 km (0.12 R)
• M21: 12,829,813 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 13.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.14 AU - 3.28 AU

Year: 2975 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,276,766 km

• M1: 167,101 km (0.106 R)
• M2: 663,018 km (0.083 R)
• M3: 1,239,269 km (0.081 R)
• M4: 1,714,691 km (0.093 R)
• M5: 2,816,180 km (0.109 R)
• M6: 3,777,795 km (0.099 R)
• M7: 4,559,893 km (0.112 R)
• M8: 5,248,043 km (0.118 R)
• M9: 10,393,162 km (0.107 R)
• M10: 11,890,188 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.9

Radius: 10.2

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.4 AU - 3.7 AU

Year: 4460 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,276,766 km

• M1: 137,032 km (0.071 R)
• M2: 524,341 km (0.12 R)
• M3: 981,362 km (0.047 R)
• M4: 1,422,975 km (0.112 R)
• M5: 2,127,132 km (0.079 R)
• M6: 2,576,225 km (0.103 R)
• M7: 2,897,561 km (0.083 R)
• M8: 3,347,701 km (0.116 R)
• M9: 3,981,398 km (0.095 R)
• M10: 5,516,721 km (0.107 R)
• M11: 7,449,076 km (0.113 R)
• M12: 7,810,206 km (0.064 R)
• M13: 8,183,153 km (0.108 R)
• M14: 8,725,296 km (0.111 R)
• M15: 9,924,323 km (0.108 R)
• M16: 10,859,010 km (0.107 R)
• M17: 12,800,043 km (0.052 R)
• M18: 13,162,069 km (0.068 R)
• M19: 15,773,151 km (0.095 R)
• M20: 16,613,442 km (0.118 R)
• M21: 17,231,580 km (0.093 R)
• M22: 17,993,482 km (0.091 R)
• M23: 18,844,245 km (0.056 R)
• M24: 20,909,444 km (0.115 R)
• M25: 22,292,775 km (0.09 R)
• M26: 25,241,200 km (0.113 R)
• M27: 26,892,910 km (0.046 R)
• M28: 27,402,291 km (0.052 R)
• M29: 30,045,685 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 13.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.67 AU - 3.79 AU

Year: 4804 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,276,766 km

• M1: 166,802 km (0.088 R)
• M2: 648,656 km (0.105 R)
• M3: 1,117,496 km (0.075 R)
• M4: 1,692,102 km (0.091 R)
• M5: 3,265,722 km (0.046 R)
• M6: 3,964,643 km (0.118 R)
• M7: 5,468,999 km (0.102 R)
• M8: 6,538,325 km (0.06 R)
• M9: 7,354,979 km (0.107 R)
• M10: 8,175,524 km (0.112 R)
• M11: 8,788,875 km (0.065 R)
• M12: 11,436,009 km (0.075 R)
• M13: 13,619,689 km (0.065 R)
• M14: 14,390,418 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 12.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.32 AU - 6.58 AU

Year: 8484 Days

Day: 10.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,276,766 km

• M1: 151,692 km (0.053 R)
• M2: 566,228 km (0.032 R)
• M3: 965,953 km (0.119 R)
• M4: 1,497,026 km (0.106 R)
• M5: 2,048,444 km (0.063 R)
• M6: 2,592,681 km (0.06 R)
• M7: 4,001,145 km (0.076 R)
• M8: 4,618,086 km (0.093 R)
• M9: 5,011,977 km (0.11 R)
• M10: 6,553,135 km (0.115 R)
• M11: 7,576,683 km (0.098 R)
• M12: 8,345,616 km (0.089 R)
• M13: 9,742,262 km (0.074 R)
• M14: 10,704,027 km (0.115 R)
• M15: 11,839,475 km (0.093 R)
• M16: 14,033,028 km (0.054 R)
• M17: 15,392,125 km (0.104 R)
• M18: 17,338,543 km (0.112 R)
• M19: 20,802,332 km (0.056 R)
• M20: 22,052,821 km (0.083 R)
• M21: 26,295,416 km (0.089 R)
• M22: 27,361,750 km (0.101 R)
• M23: 30,101,186 km (0.039 R)
• M24: 42,761,355 km (0.085 R)
• M25: 43,695,444 km (0.101 R)
• M26: 44,099,807 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.2

Radius: 4.5

Gravity: 39.07 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.22 AU - 10.04 AU

Year: 15458 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,276,766 km

• M1: 55,950 km (0.063 R)
• M2: 207,043 km (0.102 R)
• M3: 447,746 km (0.108 R)
• M4: 927,806 km (0.077 R)
• M5: 1,169,855 km (0.112 R)
• M6: 1,780,663 km (0.089 R)
• M7: 2,018,823 km (0.119 R)
• M8: 2,278,076 km (0.043 R)
• M9: 2,492,301 km (0.108 R)
• M10: 2,650,126 km (0.102 R)
• M11: 2,887,239 km (0.109 R)
• M12: 3,458,852 km (0.098 R)
• M13: 4,102,722 km (0.075 R)
• M14: 4,857,592 km (0.072 R)
• M15: 5,662,429 km (0.088 R)
• M16: 7,720,297 km (0.104 R)
• M17: 8,504,041 km (0.083 R)
• M18: 10,171,309 km (0.092 R)
• M19: 12,366,957 km (0.066 R)
• M20: 13,713,786 km (0.105 R)
• M21: 17,502,502 km (0.09 R)
• M22: 20,534,253 km (0.045 R)
• M23: 27,059,263 km (0.102 R)
• M24: 32,927,987 km (0.048 R)
• M25: 38,747,644 km (0.098 R)
• M26: 45,837,984 km (0.058 R)
• M27: 51,858,999 km (0.081 R)
• M28: 52,028,643 km (0.039 R)
• M29: 57,837,529 km (0.07 R)
• M30: 58,019,889 km (0.081 R)
• M31: 59,865,777 km (0.09 R)
• M32: 61,940,998 km (0.115 R)
• M33: 63,480,061 km (0.095 R)
• M34: 66,035,043 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.7

Radius: 3.2

Gravity: 22.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.57 AU - 8.99 AU

Year: 15888 Days

Day: 19.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,276,766 km

• M1: 40,840 km (0.096 R)
• M2: 218,263 km (0.084 R)
• M3: 345,272 km (0.073 R)
• M4: 541,395 km (0.052 R)
• M5: 844,031 km (0.093 R)
• M6: 970,292 km (0.107 R)
• M7: 2,294,233 km (0.053 R)
• M8: 3,320,026 km (0.108 R)
• M9: 5,042,645 km (0.099 R)
• M10: 5,329,424 km (0.084 R)
• M11: 5,593,315 km (0.082 R)
• M12: 6,040,463 km (0.112 R)
• M13: 6,182,880 km (0.101 R)
• M14: 6,774,540 km (0.082 R)
• M15: 9,096,299 km (0.103 R)
• M16: 10,409,020 km (0.042 R)
• M17: 10,717,042 km (0.116 R)
• M18: 10,978,240 km (0.055 R)
• M19: 12,291,709 km (0.105 R)
• M20: 13,828,977 km (0.083 R)
• M21: 15,890,884 km (0.114 R)
• M22: 19,047,848 km (0.071 R)
• M23: 23,201,134 km (0.085 R)
• M24: 25,999,362 km (0.09 R)
• M25: 37,135,278 km (0.034 R)
• M26: 40,438,997 km (0.1 R)
• M27: 43,271,483 km (0.108 R)
• M28: 45,005,921 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 19,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit