🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 9.2

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 343 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,449,594 km

• M1: 114,442 km (0.052 R)
• M2: 405,111 km (0.098 R)
• M3: 706,850 km (0.109 R)
• M4: 1,394,851 km (0.05 R)
• M5: 1,951,355 km (0.1 R)
• M6: 2,294,981 km (0.089 R)
• M7: 2,678,999 km (0.027 R)
• M8: 3,008,264 km (0.046 R)
• M9: 3,341,418 km (0.067 R)
• M10: 3,674,572 km (0.109 R)
• M11: 4,029,867 km (0.111 R)
• M12: 4,810,020 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 11

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.77 AU - 0.95 AU

Year: 561 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,449,594 km

• M1: 136,732 km (0.114 R)
• M2: 806,333 km (0.07 R)
• M3: 1,218,026 km (0.105 R)
• M4: 1,579,604 km (0.111 R)
• M5: 2,066,994 km (0.07 R)
• M6: 2,507,260 km (0.072 R)
• M7: 3,127,643 km (0.085 R)
• M8: 3,500,590 km (0.104 R)
• M9: 4,351,952 km (0.113 R)
• M10: 5,671,255 km (0.08 R)
• M11: 7,050,697 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 14.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.73 AU - 3.73 AU

Year: 4080 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 112.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,449,594 km

• M1: 198,965 km (0.086 R)
• M2: 722,857 km (0.118 R)
• M3: 1,587,383 km (0.065 R)
• M4: 2,570,690 km (0.102 R)
• M5: 3,438,357 km (0.071 R)
• M6: 3,909,441 km (0.114 R)
• M7: 5,983,915 km (0.079 R)
• M8: 7,017,786 km (0.107 R)
• M9: 11,909,636 km (0.095 R)
• M10: 12,708,938 km (0.106 R)
• M11: 13,343,980 km (0.104 R)
• M12: 17,669,902 km (0.063 R)
• M13: 20,578,683 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 11.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.37 AU - 3.99 AU

Year: 4962 Days

Day: 5.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,449,594 km

• M1: 140,772 km (0.081 R)
• M2: 695,929 km (0.112 R)
• M3: 1,203,814 km (0.064 R)
• M4: 1,594,564 km (0.092 R)
• M5: 2,264,463 km (0.062 R)
• M6: 2,705,477 km (0.103 R)
• M7: 3,113,580 km (0.117 R)
• M8: 3,681,753 km (0.052 R)
• M9: 4,055,000 km (0.115 R)
• M10: 4,522,643 km (0.073 R)
• M11: 5,151,403 km (0.103 R)
• M12: 5,674,098 km (0.111 R)
• M13: 7,327,753 km (0.103 R)
• M14: 8,024,131 km (0.1 R)
• M15: 10,875,616 km (0.113 R)
• M16: 12,140,166 km (0.105 R)
• M17: 12,972,828 km (0.083 R)
• M18: 13,354,901 km (0.052 R)
• M19: 17,485,298 km (0.054 R)
• M20: 18,129,168 km (0.097 R)
• M21: 21,322,783 km (0.1 R)
• M22: 22,671,707 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.25 AU - 5.51 AU

Year: 7578 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,449,594 km

• M1: 118,182 km (0.077 R)
• M2: 404,812 km (0.116 R)
• M3: 780,901 km (0.091 R)
• M4: 1,074,113 km (0.111 R)
• M5: 1,431,801 km (0.105 R)
• M6: 2,183,531 km (0.043 R)
• M7: 2,534,038 km (0.1 R)
• M8: 4,101,974 km (0.099 R)
• M9: 4,663,265 km (0.114 R)
• M10: 6,321,856 km (0.088 R)
• M11: 8,450,185 km (0.107 R)
• M12: 8,783,789 km (0.08 R)
• M13: 10,206,614 km (0.116 R)
• M14: 12,100,373 km (0.072 R)
• M15: 13,805,939 km (0.081 R)
• M16: 14,113,662 km (0.084 R)
• M17: 16,057,237 km (0.078 R)
• M18: 19,425,134 km (0.112 R)
• M19: 19,747,069 km (0.082 R)
• M20: 21,753,625 km (0.07 R)
• M21: 24,262,231 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.7

Radius: 7.4

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.69 AU - 10.97 AU

Year: 18444 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,449,594 km

• M1: 93,947 km (0.117 R)
• M2: 639,980 km (0.092 R)
• M3: 1,337,255 km (0.082 R)
• M4: 3,962,848 km (0.062 R)
• M5: 4,246,036 km (0.119 R)
• M6: 4,678,823 km (0.041 R)
• M7: 8,996,966 km (0.119 R)
• M8: 10,701,633 km (0.078 R)
• M9: 19,774,146 km (0.077 R)
• M10: 23,127,681 km (0.035 R)
• M11: 27,743,823 km (0.08 R)
• M12: 28,549,258 km (0.091 R)
• M13: 29,370,101 km (0.115 R)
• M14: 42,874,600 km (0.046 R)
• M15: 43,333,417 km (0.118 R)
• M16: 47,286,092 km (0.106 R)
• M17: 59,239,859 km (0.075 R)
• M18: 62,123,059 km (0.056 R)
• M19: 64,495,980 km (0.109 R)
• M20: 68,375,502 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977

Radius: 6.5

Gravity: 23.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.93 AU - 11.19 AU

Year: 22429 Days

Day: 21.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,449,594 km

• M1: 81,232 km (0.052 R)
• M2: 374,294 km (0.114 R)
• M3: 684,859 km (0.091 R)
• M4: 1,147,116 km (0.032 R)
• M5: 1,406,220 km (0.027 R)
• M6: 2,428,123 km (0.067 R)
• M7: 3,310,601 km (0.091 R)
• M8: 5,860,347 km (0.103 R)
• M9: 6,875,518 km (0.108 R)
• M10: 7,789,262 km (0.106 R)
• M11: 8,554,156 km (0.113 R)
• M12: 9,488,395 km (0.098 R)
• M13: 11,696,310 km (0.098 R)
• M14: 12,771,170 km (0.078 R)
• M15: 15,198,545 km (0.108 R)
• M16: 16,043,025 km (0.096 R)
• M17: 16,389,344 km (0.113 R)
• M18: 16,740,600 km (0.079 R)
• M19: 17,458,371 km (0.115 R)
• M20: 21,461,909 km (0.116 R)
• M21: 22,201,521 km (0.106 R)
• M22: 22,848,980 km (0.088 R)
• M23: 23,508,857 km (0.095 R)
• M24: 26,878,698 km (0.105 R)
• M25: 30,689,405 km (0.095 R)
• M26: 31,763,368 km (0.03 R)
• M27: 39,991,700 km (0.09 R)
• M28: 49,716,758 km (0.074 R)
• M29: 54,632,843 km (0.078 R)
• M30: 55,023,892 km (0.095 R)
• M31: 59,449,595 km (0.102 R)
• M32: 69,687,326 km (0.082 R)
• M33: 71,305,975 km (0.056 R)
• M34: 86,486,419 km (0.117 R)
• M35: 92,172,783 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 11,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit