🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 14

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.52 AU - 0.86 AU

Year: 370 Days

Day: 6.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,082,633 km

• M1: 174,132 km (0.068 R)
• M2: 641,775 km (0.034 R)
• M3: 1,187,209 km (0.119 R)
• M4: 1,700,180 km (0.111 R)
• M5: 2,142,690 km (0.12 R)
• M6: 2,597,468 km (0.113 R)
• M7: 3,127,942 km (0.114 R)
• M8: 3,803,675 km (0.08 R)
• M9: 4,423,908 km (0.091 R)
• M10: 5,186,708 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 9.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.22 AU - 1.86 AU

Year: 1234 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,082,633 km

• M1: 115,639 km (0.116 R)
• M2: 609,163 km (0.106 R)
• M3: 978,669 km (0.112 R)
• M4: 1,523,056 km (0.04 R)
• M5: 2,183,231 km (0.114 R)
• M6: 2,635,615 km (0.059 R)
• M7: 4,128,153 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 10.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.73 AU - 4.43 AU

Year: 4374 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,082,633 km

• M1: 163,660 km (0.049 R)
• M2: 562,039 km (0.09 R)
• M3: 1,286,392 km (0.108 R)
• M4: 1,717,533 km (0.113 R)
• M5: 2,071,332 km (0.048 R)
• M6: 3,282,925 km (0.101 R)
• M7: 7,775,948 km (0.102 R)
• M8: 8,795,607 km (0.079 R)
• M9: 10,489,204 km (0.091 R)
• M10: 12,011,512 km (0.104 R)
• M11: 13,171,494 km (0.068 R)
• M12: 15,268,258 km (0.1 R)
• M13: 18,817,019 km (0.054 R)
• M14: 22,881,294 km (0.101 R)
• M15: 23,758,984 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 8.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.64 AU - 4.74 AU

Year: 5538 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,082,633 km

• M1: 107,112 km (0.099 R)
• M2: 414,386 km (0.101 R)
• M3: 876,494 km (0.086 R)
• M4: 1,197,830 km (0.12 R)
• M5: 1,549,086 km (0.091 R)
• M6: 1,824,346 km (0.064 R)
• M7: 2,169,020 km (0.106 R)
• M8: 2,855,225 km (0.103 R)
• M9: 4,389,501 km (0.108 R)
• M10: 5,012,576 km (0.118 R)
• M11: 6,105,687 km (0.09 R)
• M12: 7,780,735 km (0.111 R)
• M13: 9,505,150 km (0.117 R)
• M14: 10,226,361 km (0.112 R)
• M15: 12,976,867 km (0.093 R)
• M16: 13,310,171 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.6

Radius: 6.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.9 AU - 7.98 AU

Year: 13103 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,082,633 km

• M1: 80,484 km (0.068 R)
• M2: 301,290 km (0.1 R)
• M3: 677,978 km (0.083 R)
• M4: 1,375,104 km (0.085 R)
• M5: 1,958,236 km (0.096 R)
• M6: 4,923,864 km (0.059 R)
• M7: 6,611,029 km (0.116 R)
• M8: 7,488,869 km (0.117 R)
• M9: 7,837,283 km (0.064 R)
• M10: 8,524,984 km (0.113 R)
• M11: 11,888,543 km (0.112 R)
• M12: 13,125,867 km (0.103 R)
• M13: 15,917,213 km (0.112 R)
• M14: 16,428,838 km (0.087 R)
• M15: 20,470,524 km (0.112 R)
• M16: 24,028,859 km (0.063 R)
• M17: 25,473,974 km (0.117 R)
• M18: 37,135,427 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 4.8

Gravity: 37.43 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.51 AU - 9.53 AU

Year: 18966 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,082,633 km

• M1: 59,690 km (0.073 R)
• M2: 620,532 km (0.108 R)
• M3: 1,023,848 km (0.05 R)
• M4: 1,283,101 km (0.095 R)
• M5: 1,468,602 km (0.114 R)
• M6: 1,992,344 km (0.087 R)
• M7: 2,466,420 km (0.072 R)
• M8: 2,855,973 km (0.111 R)
• M9: 3,092,487 km (0.077 R)
• M10: 3,604,860 km (0.078 R)
• M11: 5,930,658 km (0.118 R)
• M12: 6,404,135 km (0.076 R)
• M13: 15,520,929 km (0.096 R)
• M14: 18,945,523 km (0.08 R)
• M15: 19,968,623 km (0.111 R)
• M16: 20,253,906 km (0.083 R)
• M17: 20,541,882 km (0.118 R)
• M18: 21,224,647 km (0.052 R)
• M19: 22,635,205 km (0.087 R)
• M20: 22,841,650 km (0.077 R)
• M21: 24,322,370 km (0.098 R)
• M22: 25,086,217 km (0.053 R)
• M23: 25,529,774 km (0.085 R)
• M24: 27,007,652 km (0.091 R)
• M25: 30,257,366 km (0.047 R)
• M26: 36,945,887 km (0.097 R)
• M27: 40,328,444 km (0.084 R)
• M28: 40,784,269 km (0.085 R)
• M29: 42,485,197 km (0.074 R)
• M30: 56,679,940 km (0.089 R)
• M31: 57,251,853 km (0.074 R)
• M32: 65,040,816 km (0.115 R)
• M33: 71,935,931 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.8

Radius: 6.7

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.49 AU - 10.61 AU

Year: 22126 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,082,633 km

• M1: 86,318 km (0.115 R)
• M2: 597,793 km (0.113 R)
• M3: 871,108 km (0.056 R)
• M4: 1,729,651 km (0.106 R)
• M5: 2,517,882 km (0.04 R)
• M6: 2,852,682 km (0.063 R)
• M7: 3,326,608 km (0.045 R)
• M8: 3,670,683 km (0.117 R)
• M9: 8,020,091 km (0.045 R)
• M10: 8,534,110 km (0.082 R)
• M11: 9,973,690 km (0.08 R)
• M12: 13,113,749 km (0.098 R)
• M13: 15,881,609 km (0.081 R)
• M14: 16,364,361 km (0.089 R)
• M15: 16,939,864 km (0.103 R)
• M16: 18,570,032 km (0.102 R)
• M17: 20,302,077 km (0.085 R)
• M18: 21,352,702 km (0.085 R)
• M19: 22,338,702 km (0.112 R)
• M20: 23,251,847 km (0.033 R)
• M21: 23,665,486 km (0.109 R)
• M22: 24,084,060 km (0.115 R)
• M23: 26,587,581 km (0.103 R)
• M24: 29,139,571 km (0.117 R)
• M25: 29,379,376 km (0.117 R)
• M26: 30,106,721 km (0.114 R)
• M27: 35,811,486 km (0.101 R)
• M28: 45,013,700 km (0.034 R)
• M29: 45,979,953 km (0.105 R)
• M30: 49,641,061 km (0.085 R)
• M31: 60,995,241 km (0.092 R)
• M32: 65,201,484 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 18,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit