🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.17 AU - 1.73 AU

Year: 635 Days

Day: 38.9 Hours

Environment

Temp: -26 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.71 AU - 2.83 AU

Year: 1243 Days

Day: 34.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 133.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.23 AU - 5.33 AU

Year: 3218 Days

Day: 13.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 117.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.1

Radius: 9.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.66 AU - 6.18 AU

Year: 4586 Days

Day: 11.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,895,961 km

• M1: 123,119 km (0.096 R)
• M2: 453,132 km (0.094 R)
• M3: 804,238 km (0.046 R)
• M4: 1,362,388 km (0.074 R)
• M5: 1,895,255 km (0.086 R)
• M6: 2,385,787 km (0.119 R)
• M7: 2,811,842 km (0.036 R)
• M8: 3,360,567 km (0.113 R)
• M9: 3,738,900 km (0.061 R)
• M10: 4,187,843 km (0.08 R)
• M11: 5,343,038 km (0.029 R)
• M12: 5,860,347 km (0.114 R)
• M13: 6,326,045 km (0.039 R)
• M14: 6,757,336 km (0.104 R)
• M15: 7,425,440 km (0.081 R)
• M16: 8,892,995 km (0.091 R)
• M17: 10,825,650 km (0.119 R)
• M18: 11,318,276 km (0.067 R)
• M19: 11,868,796 km (0.113 R)
• M20: 12,615,588 km (0.05 R)
• M21: 12,931,988 km (0.106 R)
• M22: 13,346,524 km (0.057 R)
• M23: 16,555,996 km (0.096 R)
• M24: 18,052,424 km (0.116 R)
• M25: 20,494,160 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 8.4

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.92 AU - 6.78 AU

Year: 5142 Days

Day: 12.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 66 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 97,895,961 km

• M1: 104,419 km (0.105 R)
• M2: 375,191 km (0.066 R)
• M3: 828,323 km (0.098 R)
• M4: 1,357,601 km (0.062 R)
• M5: 1,685,669 km (0.085 R)
• M6: 2,066,395 km (0.096 R)
• M7: 3,121,509 km (0.077 R)
• M8: 3,676,667 km (0.091 R)
• M9: 4,737,166 km (0.088 R)
• M10: 5,833,419 km (0.068 R)
• M11: 6,375,113 km (0.102 R)
• M12: 7,125,496 km (0.085 R)
• M13: 7,632,783 km (0.117 R)
• M14: 9,774,426 km (0.105 R)
• M15: 10,959,091 km (0.088 R)
• M16: 11,983,687 km (0.051 R)
• M17: 12,338,982 km (0.107 R)
• M18: 12,753,667 km (0.082 R)
• M19: 13,177,628 km (0.059 R)
• M20: 15,439,996 km (0.089 R)
• M21: 17,883,677 km (0.117 R)
• M22: 19,162,739 km (0.119 R)
• M23: 28,501,536 km (0.092 R)
• M24: 29,226,637 km (0.091 R)
• M25: 30,150,104 km (0.115 R)
• M26: 30,618,944 km (0.105 R)
• M27: 30,997,726 km (0.06 R)
• M28: 32,347,697 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 12.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.5 AU - 6.92 AU

Year: 6317 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 97,895,961 km

• M1: 170,841 km (0.068 R)
• M2: 664,813 km (0.079 R)
• M3: 2,042,609 km (0.103 R)
• M4: 2,655,512 km (0.108 R)
• M5: 3,064,512 km (0.037 R)
• M6: 3,758,347 km (0.098 R)
• M7: 8,078,135 km (0.119 R)
• M8: 11,296,135 km (0.034 R)
• M9: 12,899,226 km (0.086 R)
• M10: 14,365,734 km (0.097 R)
• M11: 20,989,479 km (0.081 R)
• M12: 22,476,930 km (0.095 R)
• M13: 24,433,521 km (0.1 R)
• M14: 27,534,086 km (0.097 R)
• M15: 30,140,979 km (0.077 R)
• M16: 31,839,513 km (0.09 R)
• M17: 32,419,654 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.5

Radius: 6.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 15.99 AU - 19.47 AU

Year: 27133 Days

Day: 15.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 97,895,961 km

• M1: 86,468 km (0.108 R)
• M2: 419,024 km (0.119 R)
• M3: 629,508 km (0.106 R)
• M4: 1,033,422 km (0.089 R)
• M5: 1,854,714 km (0.119 R)
• M6: 2,917,757 km (0.025 R)
• M7: 4,007,278 km (0.11 R)
• M8: 5,920,485 km (0.069 R)
• M9: 7,684,394 km (0.05 R)
• M10: 9,969,651 km (0.081 R)
• M11: 10,220,527 km (0.115 R)
• M12: 11,538,933 km (0.077 R)
• M13: 12,672,436 km (0.08 R)
• M14: 13,940,427 km (0.066 R)
• M15: 14,509,049 km (0.069 R)
• M16: 19,548,552 km (0.063 R)
• M17: 20,100,867 km (0.074 R)
• M18: 23,458,592 km (0.119 R)
• M19: 26,881,092 km (0.048 R)
• M20: 28,258,439 km (0.118 R)
• M21: 29,993,475 km (0.083 R)
• M22: 34,696,533 km (0.09 R)
• M23: 35,739,530 km (0.091 R)
• M24: 42,308,971 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.3

Radius: 4.1

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 18.08 AU - 19.4 AU

Year: 29484 Days

Day: 15.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 97,895,961 km

• M1: 53,855 km (0.082 R)
• M2: 233,073 km (0.1 R)
• M3: 799,002 km (0.099 R)
• M4: 1,241,513 km (0.065 R)
• M5: 1,507,647 km (0.091 R)
• M6: 2,340,010 km (0.095 R)
• M7: 2,588,492 km (0.099 R)
• M8: 2,799,874 km (0.106 R)
• M9: 3,567,311 km (0.026 R)
• M10: 3,862,916 km (0.094 R)
• M11: 4,428,396 km (0.12 R)
• M12: 5,419,931 km (0.104 R)
• M13: 6,360,153 km (0.073 R)
• M14: 7,044,265 km (0.106 R)
• M15: 7,722,242 km (0.119 R)
• M16: 10,144,830 km (0.086 R)
• M17: 12,135,379 km (0.086 R)
• M18: 13,030,274 km (0.063 R)
• M19: 13,415,787 km (0.079 R)
• M20: 14,209,404 km (0.082 R)
• M21: 16,065,016 km (0.096 R)
• M22: 17,511,777 km (0.038 R)
• M23: 18,652,162 km (0.052 R)
• M24: 19,639,657 km (0.119 R)
• M25: 20,557,739 km (0.117 R)
• M26: 20,870,100 km (0.113 R)
• M27: 21,397,582 km (0.042 R)
• M28: 22,259,864 km (0.115 R)
• M29: 23,370,179 km (0.108 R)
• M30: 25,820,892 km (0.075 R)
• M31: 26,797,766 km (0.081 R)
• M32: 29,743,497 km (0.061 R)
• M33: 36,267,909 km (0.078 R)
• M34: 37,802,335 km (0.091 R)
• M35: 38,743,455 km (0.105 R)
• M36: 41,826,667 km (0.101 R)
• M37: 43,002,656 km (0.102 R)
• M38: 44,546,656 km (0.05 R)
• M39: 49,399,910 km (0.051 R)
• M40: 57,837,230 km (0.113 R)
• M41: 68,564,743 km (0.08 R)
• M42: 79,262,188 km (0.096 R)
• M43: 80,286,335 km (0.119 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 19,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit