🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.83 AU - 1.27 AU

Year: 695 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,069,979 km

• M1: 161,715 km (0.116 R)
• M2: 676,930 km (0.046 R)
• M3: 1,232,836 km (0.066 R)
• M4: 1,748,051 km (0.115 R)
• M5: 2,488,112 km (0.055 R)
• M6: 2,902,947 km (0.093 R)
• M7: 3,467,529 km (0.078 R)
• M8: 4,208,637 km (0.094 R)
• M9: 4,802,989 km (0.058 R)
• M10: 5,874,260 km (0.056 R)
• M11: 6,929,224 km (0.119 R)
• M12: 7,557,834 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317

Radius: 14.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.99 AU - 1.59 AU

Year: 946 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,069,979 km

• M1: 179,069 km (0.036 R)
• M2: 832,662 km (0.066 R)
• M3: 1,894,059 km (0.103 R)
• M4: 2,692,163 km (0.03 R)
• M5: 3,176,561 km (0.065 R)
• M6: 3,624,906 km (0.098 R)
• M7: 4,603,575 km (0.119 R)
• M8: 5,426,064 km (0.116 R)
• M9: 6,977,544 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 12.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.64 AU - 2.14 AU

Year: 1678 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,069,979 km

• M1: 153,787 km (0.11 R)
• M2: 536,009 km (0.063 R)
• M3: 922,271 km (0.105 R)
• M4: 1,628,373 km (0.049 R)
• M5: 2,093,921 km (0.118 R)
• M6: 2,985,226 km (0.092 R)
• M7: 3,524,975 km (0.09 R)
• M8: 4,602,528 km (0.115 R)
• M9: 5,435,339 km (0.072 R)
• M10: 6,698,843 km (0.113 R)
• M11: 7,264,921 km (0.102 R)
• M12: 8,029,067 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.36 AU - 3.42 AU

Year: 3172 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,069,979 km

• M1: 174,132 km (0.117 R)
• M2: 666,159 km (0.115 R)
• M3: 1,313,170 km (0.094 R)
• M4: 2,245,015 km (0.107 R)
• M5: 2,717,894 km (0.099 R)
• M6: 3,292,799 km (0.039 R)
• M7: 4,690,043 km (0.115 R)
• M8: 6,285,953 km (0.119 R)
• M9: 7,797,939 km (0.098 R)
• M10: 8,622,372 km (0.098 R)
• M11: 10,061,504 km (0.038 R)
• M12: 11,613,881 km (0.065 R)
• M13: 12,165,149 km (0.057 R)
• M14: 12,645,358 km (0.109 R)
• M15: 15,695,210 km (0.059 R)
• M16: 17,281,396 km (0.065 R)
• M17: 20,341,421 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 10.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.59 AU - 3.53 AU

Year: 3456 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,069,979 km

• M1: 125,662 km (0.108 R)
• M2: 519,853 km (0.108 R)
• M3: 1,076,656 km (0.112 R)
• M4: 1,888,224 km (0.073 R)
• M5: 2,449,067 km (0.11 R)
• M6: 2,893,522 km (0.077 R)
• M7: 3,261,832 km (0.119 R)
• M8: 4,093,447 km (0.076 R)
• M9: 4,628,708 km (0.09 R)
• M10: 5,011,080 km (0.065 R)
• M11: 6,402,041 km (0.083 R)
• M12: 8,624,467 km (0.102 R)
• M13: 10,204,819 km (0.11 R)
• M14: 10,937,998 km (0.109 R)
• M15: 13,301,644 km (0.116 R)
• M16: 14,426,321 km (0.067 R)
• M17: 15,245,220 km (0.101 R)
• M18: 16,203,245 km (0.107 R)
• M19: 16,586,514 km (0.115 R)
• M20: 18,063,195 km (0.053 R)
• M21: 18,653,807 km (0.045 R)
• M22: 19,440,842 km (0.118 R)
• M23: 22,336,907 km (0.114 R)
• M24: 23,017,428 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.1

Radius: 5.8

Gravity: 24.97 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.05 AU - 7.89 AU

Year: 10626 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,069,979 km

• M1: 72,555 km (0.046 R)
• M2: 409,898 km (0.061 R)
• M3: 800,498 km (0.102 R)
• M4: 1,157,738 km (0.105 R)
• M5: 1,804,150 km (0.03 R)
• M6: 2,931,071 km (0.081 R)
• M7: 4,053,354 km (0.098 R)
• M8: 4,343,873 km (0.104 R)
• M9: 4,805,532 km (0.049 R)
• M10: 7,275,393 km (0.056 R)
• M11: 9,046,183 km (0.072 R)
• M12: 9,292,272 km (0.082 R)
• M13: 11,311,095 km (0.079 R)
• M14: 12,849,709 km (0.088 R)
• M15: 14,860,454 km (0.096 R)
• M16: 15,762,679 km (0.081 R)
• M17: 17,523,595 km (0.1 R)
• M18: 20,320,477 km (0.029 R)
• M19: 20,913,483 km (0.107 R)
• M20: 21,171,240 km (0.116 R)
• M21: 23,958,997 km (0.073 R)
• M22: 24,525,374 km (0.059 R)
• M23: 36,184,733 km (0.091 R)
• M24: 40,544,613 km (0.055 R)
• M25: 42,026,679 km (0.083 R)
• M26: 45,672,978 km (0.064 R)
• M27: 46,252,071 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.6

Radius: 7.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.36 AU - 12.04 AU

Year: 21034 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,069,979 km

• M1: 97,089 km (0.059 R)
• M2: 515,813 km (0.115 R)
• M3: 1,179,280 km (0.097 R)
• M4: 1,444,068 km (0.09 R)
• M5: 2,932,118 km (0.08 R)
• M6: 3,339,473 km (0.108 R)
• M7: 4,873,899 km (0.052 R)
• M8: 6,421,788 km (0.089 R)
• M9: 15,486,222 km (0.092 R)
• M10: 17,102,777 km (0.066 R)
• M11: 18,828,687 km (0.04 R)
• M12: 19,946,632 km (0.117 R)
• M13: 21,034,358 km (0.103 R)
• M14: 22,391,211 km (0.119 R)
• M15: 23,169,868 km (0.096 R)
• M16: 25,194,974 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit