🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.8

Radius: 10.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.11 AU - 1.39 AU

Year: 902 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,460,877 km

• M1: 133,142 km (0.1 R)
• M2: 516,412 km (0.104 R)
• M3: 967,001 km (0.091 R)
• M4: 1,352,066 km (0.109 R)
• M5: 1,757,925 km (0.029 R)
• M6: 2,245,165 km (0.092 R)
• M7: 2,720,587 km (0.112 R)
• M8: 3,559,831 km (0.112 R)
• M9: 4,179,765 km (0.099 R)
• M10: 4,594,899 km (0.078 R)
• M11: 5,671,854 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 9.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.07 AU - 1.63 AU

Year: 1013 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,460,877 km

• M1: 118,930 km (0.052 R)
• M2: 492,027 km (0.103 R)
• M3: 868,715 km (0.107 R)
• M4: 1,279,211 km (0.049 R)
• M5: 1,669,811 km (0.082 R)
• M6: 1,964,220 km (0.031 R)
• M7: 2,304,256 km (0.042 R)
• M8: 2,790,748 km (0.067 R)
• M9: 3,117,320 km (0.082 R)
• M10: 3,818,037 km (0.09 R)
• M11: 4,302,884 km (0.055 R)
• M12: 4,654,439 km (0.093 R)
• M13: 5,282,899 km (0.103 R)
• M14: 6,069,335 km (0.096 R)
• M15: 6,555,678 km (0.079 R)
• M16: 6,931,767 km (0.103 R)
• M17: 7,654,773 km (0.071 R)
• M18: 7,997,353 km (0.103 R)
• M19: 8,426,998 km (0.105 R)
• M20: 9,087,023 km (0.06 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.8

Radius: 3.3

Gravity: 39.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.18 AU - 7.98 AU

Year: 13475 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,460,877 km

• M1: 40,990 km (0.072 R)
• M2: 254,167 km (0.108 R)
• M3: 643,121 km (0.038 R)
• M4: 1,341,295 km (0.112 R)
• M5: 1,491,790 km (0.115 R)
• M6: 2,209,112 km (0.105 R)
• M7: 2,380,252 km (0.102 R)
• M8: 2,727,468 km (0.076 R)
• M9: 4,055,149 km (0.075 R)
• M10: 5,551,128 km (0.087 R)
• M11: 6,048,541 km (0.09 R)
• M12: 6,770,351 km (0.047 R)
• M13: 7,090,640 km (0.118 R)
• M14: 9,180,223 km (0.056 R)
• M15: 10,078,558 km (0.089 R)
• M16: 16,583,074 km (0.056 R)
• M17: 19,385,191 km (0.079 R)
• M18: 19,948,577 km (0.076 R)
• M19: 24,109,193 km (0.107 R)
• M20: 31,377,854 km (0.057 R)
• M21: 46,368,010 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 6.2

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.37 AU - 8.57 AU

Year: 14528 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,460,877 km

• M1: 77,043 km (0.101 R)
• M2: 371,751 km (0.113 R)
• M3: 630,555 km (0.083 R)
• M4: 3,599,175 km (0.114 R)
• M5: 3,904,953 km (0.057 R)
• M6: 4,411,342 km (0.061 R)
• M7: 4,794,462 km (0.095 R)
• M8: 4,994,325 km (0.066 R)
• M9: 6,799,074 km (0.048 R)
• M10: 7,094,380 km (0.099 R)
• M11: 8,603,224 km (0.114 R)
• M12: 8,948,795 km (0.061 R)
• M13: 12,614,092 km (0.071 R)
• M14: 16,483,441 km (0.071 R)
• M15: 17,171,143 km (0.046 R)
• M16: 20,286,967 km (0.097 R)
• M17: 21,165,556 km (0.119 R)
• M18: 21,523,992 km (0.111 R)
• M19: 23,856,672 km (0.062 R)
• M20: 25,942,066 km (0.072 R)
• M21: 31,390,121 km (0.08 R)
• M22: 32,327,053 km (0.099 R)
• M23: 35,124,682 km (0.1 R)
• M24: 35,375,259 km (0.083 R)
• M25: 37,816,247 km (0.065 R)
• M26: 38,344,029 km (0.081 R)
• M27: 41,614,537 km (0.08 R)
• M28: 43,173,796 km (0.094 R)
• M29: 54,185,994 km (0.103 R)
• M30: 55,703,066 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.5

Radius: 5.5

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.01 AU - 8.75 AU

Year: 15663 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,460,877 km

• M1: 68,815 km (0.039 R)
• M2: 622,028 km (0.088 R)
• M3: 861,235 km (0.102 R)
• M4: 1,354,908 km (0.047 R)
• M5: 1,657,096 km (0.03 R)
• M6: 2,247,708 km (0.069 R)
• M7: 2,754,695 km (0.029 R)
• M8: 3,431,027 km (0.103 R)
• M9: 3,834,193 km (0.114 R)
• M10: 4,381,722 km (0.091 R)
• M11: 4,795,061 km (0.109 R)
• M12: 6,674,010 km (0.105 R)
• M13: 7,101,261 km (0.061 R)
• M14: 7,924,648 km (0.075 R)
• M15: 9,134,895 km (0.111 R)
• M16: 11,859,371 km (0.091 R)
• M17: 13,928,908 km (0.071 R)
• M18: 14,116,803 km (0.049 R)
• M19: 14,626,034 km (0.104 R)
• M20: 15,412,769 km (0.06 R)
• M21: 16,227,330 km (0.05 R)
• M22: 18,843,049 km (0.06 R)
• M23: 23,185,276 km (0.104 R)
• M24: 24,708,033 km (0.077 R)
• M25: 26,583,392 km (0.065 R)
• M26: 32,444,936 km (0.102 R)
• M27: 33,892,744 km (0.12 R)
• M28: 34,232,930 km (0.111 R)
• M29: 36,677,957 km (0.115 R)
• M30: 38,003,843 km (0.095 R)
• M31: 41,393,581 km (0.1 R)
• M32: 44,706,875 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 6.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.92 AU - 10.6 AU

Year: 21220 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,460,877 km

• M1: 83,625 km (0.094 R)
• M2: 513,121 km (0.082 R)
• M3: 792,869 km (0.088 R)
• M4: 2,022,862 km (0.092 R)
• M5: 2,635,466 km (0.099 R)
• M6: 4,008,625 km (0.059 R)
• M7: 4,557,050 km (0.061 R)
• M8: 5,216,927 km (0.092 R)
• M9: 5,439,678 km (0.078 R)
• M10: 6,252,144 km (0.111 R)
• M11: 6,837,071 km (0.102 R)
• M12: 7,299,179 km (0.027 R)
• M13: 8,722,154 km (0.041 R)
• M14: 13,363,877 km (0.113 R)
• M15: 15,938,157 km (0.078 R)
• M16: 17,236,068 km (0.106 R)
• M17: 17,447,300 km (0.085 R)
• M18: 26,722,069 km (0.091 R)
• M19: 32,771,059 km (0.039 R)
• M20: 34,081,387 km (0.115 R)
• M21: 35,996,988 km (0.118 R)
• M22: 38,701,268 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit