🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.53 AU - 0.75 AU

Year: 331 Days

Day: 35.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.6

Radius: 14.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.65 AU - 1.75 AU

Year: 1431 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,145,445 km

• M1: 182,809 km (0.034 R)
• M2: 641,176 km (0.115 R)
• M3: 1,246,300 km (0.08 R)
• M4: 2,454,452 km (0.03 R)
• M5: 3,199,450 km (0.119 R)
• M6: 3,929,637 km (0.044 R)
• M7: 4,624,220 km (0.108 R)
• M8: 6,194,549 km (0.08 R)
• M9: 7,186,981 km (0.098 R)
• M10: 9,605,530 km (0.113 R)
• M11: 10,333,024 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 10.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.41 AU - 2.63 AU

Year: 2583 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,145,445 km

• M1: 133,292 km (0.071 R)
• M2: 473,477 km (0.097 R)
• M3: 1,005,148 km (0.054 R)
• M4: 1,702,573 km (0.114 R)
• M5: 3,389,738 km (0.049 R)
• M6: 3,805,022 km (0.042 R)
• M7: 4,391,745 km (0.046 R)
• M8: 4,972,783 km (0.09 R)
• M9: 6,137,253 km (0.076 R)
• M10: 6,837,371 km (0.029 R)
• M11: 8,998,013 km (0.072 R)
• M12: 10,110,572 km (0.106 R)
• M13: 10,681,886 km (0.096 R)
• M14: 11,124,546 km (0.089 R)
• M15: 12,046,369 km (0.117 R)
• M16: 12,526,129 km (0.096 R)
• M17: 13,060,044 km (0.111 R)
• M18: 13,738,021 km (0.091 R)
• M19: 14,129,668 km (0.065 R)
• M20: 14,844,298 km (0.039 R)
• M21: 15,582,713 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.6

Radius: 9.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.48 AU - 2.98 AU

Year: 2912 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,145,445 km

• M1: 138,827 km (0.054 R)
• M2: 480,658 km (0.086 R)
• M3: 845,228 km (0.107 R)
• M4: 1,276,519 km (0.037 R)
• M5: 1,585,887 km (0.093 R)
• M6: 2,185,475 km (0.105 R)
• M7: 3,027,113 km (0.101 R)
• M8: 3,333,789 km (0.055 R)
• M9: 3,833,146 km (0.11 R)
• M10: 5,122,081 km (0.098 R)
• M11: 6,764,367 km (0.032 R)
• M12: 7,292,148 km (0.058 R)
• M13: 8,297,745 km (0.057 R)
• M14: 9,645,323 km (0.115 R)
• M15: 9,938,834 km (0.11 R)
• M16: 10,428,617 km (0.119 R)
• M17: 11,994,907 km (0.066 R)
• M18: 12,506,980 km (0.093 R)
• M19: 13,077,995 km (0.077 R)
• M20: 14,319,658 km (0.072 R)
• M21: 16,043,923 km (0.113 R)
• M22: 16,718,310 km (0.092 R)
• M23: 17,957,429 km (0.041 R)
• M24: 18,741,172 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 8.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.2 AU - 5.88 AU

Year: 7306 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,145,445 km

• M1: 110,702 km (0.117 R)
• M2: 418,425 km (0.108 R)
• M3: 761,752 km (0.091 R)
• M4: 1,295,667 km (0.086 R)
• M5: 1,829,283 km (0.104 R)
• M6: 2,681,243 km (0.101 R)
• M7: 3,483,686 km (0.119 R)
• M8: 4,134,885 km (0.076 R)
• M9: 4,648,006 km (0.109 R)
• M10: 5,088,572 km (0.037 R)
• M11: 5,863,788 km (0.108 R)
• M12: 6,214,595 km (0.114 R)
• M13: 7,722,691 km (0.098 R)
• M14: 8,951,637 km (0.115 R)
• M15: 12,198,360 km (0.046 R)
• M16: 13,636,744 km (0.031 R)
• M17: 15,848,249 km (0.099 R)
• M18: 16,155,972 km (0.098 R)
• M19: 17,039,048 km (0.12 R)
• M20: 17,755,023 km (0.107 R)
• M21: 18,221,170 km (0.052 R)
• M22: 24,386,697 km (0.055 R)
• M23: 24,879,921 km (0.088 R)
• M24: 27,181,933 km (0.042 R)
• M25: 28,611,191 km (0.112 R)
• M26: 29,067,913 km (0.033 R)
• M27: 32,205,280 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.9

Radius: 5.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.84 AU - 8.76 AU

Year: 14066 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,145,445 km

• M1: 75,846 km (0.09 R)
• M2: 532,419 km (0.091 R)
• M3: 781,499 km (0.079 R)
• M4: 981,811 km (0.11 R)
• M5: 1,655,749 km (0.103 R)
• M6: 3,342,914 km (0.117 R)
• M7: 5,908,966 km (0.118 R)
• M8: 6,091,625 km (0.064 R)
• M9: 6,578,866 km (0.054 R)
• M10: 7,150,329 km (0.066 R)
• M11: 8,164,603 km (0.089 R)
• M12: 8,960,164 km (0.078 R)
• M13: 11,493,604 km (0.107 R)
• M14: 12,406,002 km (0.107 R)
• M15: 14,704,872 km (0.083 R)
• M16: 18,634,808 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.2

Radius: 5.9

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.02 AU - 10.38 AU

Year: 16569 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,145,445 km

• M1: 73,303 km (0.091 R)
• M2: 287,527 km (0.086 R)
• M3: 550,071 km (0.084 R)
• M4: 917,185 km (0.107 R)
• M5: 1,582,147 km (0.081 R)
• M6: 2,445,476 km (0.096 R)
• M7: 2,633,222 km (0.031 R)
• M8: 3,304,916 km (0.117 R)
• M9: 3,775,850 km (0.112 R)
• M10: 4,201,606 km (0.065 R)
• M11: 5,081,241 km (0.107 R)
• M12: 5,635,950 km (0.1 R)
• M13: 5,928,115 km (0.089 R)
• M14: 6,622,249 km (0.087 R)
• M15: 7,630,239 km (0.102 R)
• M16: 8,079,033 km (0.037 R)
• M17: 8,450,634 km (0.042 R)
• M18: 8,833,455 km (0.085 R)
• M19: 12,023,480 km (0.081 R)
• M20: 13,710,495 km (0.101 R)
• M21: 14,306,194 km (0.11 R)
• M22: 16,343,268 km (0.111 R)
• M23: 17,088,266 km (0.103 R)
• M24: 18,968,561 km (0.083 R)
• M25: 25,826,128 km (0.054 R)
• M26: 27,143,935 km (0.088 R)
• M27: 40,270,849 km (0.085 R)
• M28: 40,539,677 km (0.049 R)
• M29: 42,873,703 km (0.101 R)
• M30: 52,463,973 km (0.106 R)
• M31: 53,917,765 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.9

Radius: 5.8

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.38 AU - 10.34 AU

Year: 17028 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,145,445 km

• M1: 72,705 km (0.03 R)
• M2: 308,471 km (0.099 R)
• M3: 1,153,250 km (0.039 R)
• M4: 1,599,201 km (0.116 R)
• M5: 3,895,828 km (0.068 R)
• M6: 4,487,039 km (0.049 R)
• M7: 4,924,912 km (0.112 R)
• M8: 5,924,674 km (0.089 R)
• M9: 8,417,723 km (0.055 R)
• M10: 13,968,402 km (0.096 R)
• M11: 17,774,172 km (0.054 R)
• M12: 20,002,432 km (0.104 R)
• M13: 22,314,018 km (0.081 R)
• M14: 24,592,843 km (0.098 R)
• M15: 30,661,280 km (0.086 R)
• M16: 35,784,409 km (0.064 R)
• M17: 40,016,533 km (0.087 R)
• M18: 48,324,600 km (0.112 R)
• M19: 52,453,651 km (0.11 R)
• M20: 55,216,125 km (0.113 R)
• M21: 55,744,655 km (0.076 R)
• M22: 63,502,501 km (0.069 R)
• M23: 65,646,986 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.5

Radius: 6.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.44 AU - 9.62 AU

Year: 17521 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,145,445 km

• M1: 92,900 km (0.052 R)
• M2: 341,233 km (0.113 R)
• M3: 667,655 km (0.066 R)
• M4: 1,111,961 km (0.084 R)
• M5: 1,530,685 km (0.114 R)
• M6: 1,897,649 km (0.081 R)
• M7: 2,120,101 km (0.116 R)
• M8: 2,638,607 km (0.118 R)
• M9: 3,660,211 km (0.115 R)
• M10: 4,146,404 km (0.084 R)
• M11: 4,766,787 km (0.112 R)
• M12: 5,018,859 km (0.117 R)
• M13: 6,228,059 km (0.064 R)
• M14: 6,491,351 km (0.103 R)
• M15: 6,762,123 km (0.054 R)
• M16: 7,162,148 km (0.086 R)
• M17: 10,680,989 km (0.068 R)
• M18: 15,274,541 km (0.117 R)
• M19: 18,768,100 km (0.093 R)
• M20: 20,950,135 km (0.072 R)
• M21: 25,332,006 km (0.078 R)
• M22: 28,193,514 km (0.04 R)
• M23: 31,263,412 km (0.115 R)
• M24: 35,973,351 km (0.094 R)
• M25: 38,308,125 km (0.038 R)
• M26: 44,791,547 km (0.071 R)
• M27: 47,926,221 km (0.065 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: 463 - 12,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit