🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 197 Days

Day: 35.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.06 AU - 2.48 AU

Year: 1526 Days

Day: 23.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,646,721 km

• M1: 785,987 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.8

Radius: 8.3

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.4 AU - 2.74 AU

Year: 1838 Days

Day: 11.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,646,721 km

• M1: 103,223 km (0.095 R)
• M2: 398,978 km (0.069 R)
• M3: 816,356 km (0.115 R)
• M4: 1,224,608 km (0.114 R)
• M5: 1,608,925 km (0.037 R)
• M6: 1,919,939 km (0.116 R)
• M7: 2,271,045 km (0.073 R)
• M8: 2,650,276 km (0.114 R)
• M9: 3,008,712 km (0.069 R)
• M10: 3,348,599 km (0.073 R)
• M11: 3,714,066 km (0.085 R)
• M12: 4,164,206 km (0.073 R)
• M13: 4,756,165 km (0.072 R)
• M14: 5,687,113 km (0.08 R)
• M15: 6,056,619 km (0.118 R)
• M16: 7,726,730 km (0.09 R)
• M17: 8,524,236 km (0.113 R)
• M18: 9,511,433 km (0.081 R)
• M19: 11,246,469 km (0.108 R)
• M20: 12,803,932 km (0.103 R)
• M21: 14,819,614 km (0.096 R)
• M22: 15,999,492 km (0.09 R)
• M23: 16,637,228 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 11.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.7 AU - 3.64 AU

Year: 2518 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,646,721 km

• M1: 145,858 km (0.093 R)
• M2: 828,323 km (0.1 R)
• M3: 1,340,247 km (0.061 R)
• M4: 1,744,760 km (0.103 R)
• M5: 2,151,068 km (0.078 R)
• M6: 3,596,034 km (0.088 R)
• M7: 4,525,036 km (0.032 R)
• M8: 4,938,974 km (0.115 R)
• M9: 5,764,006 km (0.072 R)
• M10: 6,620,603 km (0.115 R)
• M11: 7,247,867 km (0.095 R)
• M12: 8,655,733 km (0.058 R)
• M13: 9,554,068 km (0.106 R)
• M14: 10,473,796 km (0.074 R)
• M15: 10,996,191 km (0.098 R)
• M16: 12,268,222 km (0.049 R)
• M17: 12,758,454 km (0.096 R)
• M18: 13,261,552 km (0.101 R)
• M19: 14,454,745 km (0.1 R)
• M20: 15,408,431 km (0.07 R)
• M21: 16,403,556 km (0.115 R)
• M22: 18,348,029 km (0.112 R)
• M23: 19,048,895 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 12.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.19 AU - 3.79 AU

Year: 2909 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,646,721 km

• M1: 156,629 km (0.094 R)
• M2: 627,413 km (0.096 R)
• M3: 1,195,287 km (0.053 R)
• M4: 1,739,674 km (0.083 R)
• M5: 2,205,671 km (0.038 R)
• M6: 2,918,804 km (0.102 R)
• M7: 3,661,857 km (0.055 R)
• M8: 4,415,232 km (0.109 R)
• M9: 4,997,317 km (0.1 R)
• M10: 8,258,251 km (0.078 R)
• M11: 9,071,316 km (0.081 R)
• M12: 10,132,413 km (0.104 R)
• M13: 12,774,761 km (0.119 R)
• M14: 13,334,705 km (0.069 R)
• M15: 14,806,748 km (0.109 R)
• M16: 15,793,496 km (0.082 R)
• M17: 18,188,109 km (0.067 R)
• M18: 20,497,751 km (0.118 R)
• M19: 21,330,861 km (0.026 R)
• M20: 22,119,990 km (0.07 R)
• M21: 22,589,129 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 9.5

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.4 AU - 8.92 AU

Year: 9460 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 124.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,646,721 km

• M1: 119,230 km (0.096 R)
• M2: 886,068 km (0.117 R)
• M3: 2,218,536 km (0.038 R)
• M4: 2,594,775 km (0.092 R)
• M5: 3,228,172 km (0.113 R)
• M6: 4,327,268 km (0.116 R)
• M7: 5,007,041 km (0.098 R)
• M8: 5,594,362 km (0.091 R)
• M9: 6,192,454 km (0.09 R)
• M10: 11,015,789 km (0.075 R)
• M11: 12,555,300 km (0.114 R)
• M12: 12,890,849 km (0.119 R)
• M13: 16,187,088 km (0.092 R)
• M14: 19,930,775 km (0.069 R)
• M15: 21,801,646 km (0.068 R)
• M16: 22,779,717 km (0.033 R)
• M17: 32,620,414 km (0.046 R)
• M18: 39,587,785 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.5

Radius: 5.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.34 AU - 9.96 AU

Year: 13377 Days

Day: 21.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,646,721 km

• M1: 70,760 km (0.117 R)
• M2: 334,800 km (0.119 R)
• M3: 507,286 km (0.108 R)
• M4: 1,424,471 km (0.082 R)
• M5: 1,749,098 km (0.104 R)
• M6: 2,279,722 km (0.078 R)
• M7: 3,381,959 km (0.071 R)
• M8: 3,766,725 km (0.117 R)
• M9: 5,214,832 km (0.025 R)
• M10: 5,504,304 km (0.037 R)
• M11: 7,592,541 km (0.117 R)
• M12: 7,901,760 km (0.062 R)
• M13: 9,646,669 km (0.09 R)
• M14: 12,422,308 km (0.092 R)
• M15: 13,922,775 km (0.045 R)
• M16: 15,490,560 km (0.118 R)
• M17: 17,759,212 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.4

Radius: 5.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 13.59 AU - 14.63 AU

Year: 23651 Days

Day: 18.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,646,721 km

• M1: 74,051 km (0.045 R)
• M2: 391,797 km (0.118 R)
• M3: 739,612 km (0.105 R)
• M4: 971,189 km (0.109 R)
• M5: 1,615,358 km (0.09 R)
• M6: 1,883,886 km (0.072 R)
• M7: 2,142,989 km (0.105 R)
• M8: 2,554,533 km (0.04 R)
• M9: 3,017,239 km (0.119 R)
• M10: 3,616,529 km (0.108 R)
• M11: 3,900,615 km (0.113 R)
• M12: 4,386,060 km (0.051 R)
• M13: 4,578,144 km (0.096 R)
• M14: 4,843,081 km (0.116 R)
• M15: 5,367,422 km (0.071 R)
• M16: 5,737,378 km (0.097 R)
• M17: 8,973,628 km (0.087 R)
• M18: 9,389,062 km (0.097 R)
• M19: 10,258,524 km (0.101 R)
• M20: 11,299,426 km (0.062 R)
• M21: 12,729,582 km (0.09 R)
• M22: 15,203,931 km (0.109 R)
• M23: 17,899,984 km (0.061 R)
• M24: 19,062,209 km (0.108 R)
• M25: 20,540,087 km (0.108 R)
• M26: 21,999,264 km (0.117 R)
• M27: 22,563,847 km (0.108 R)
• M28: 24,116,523 km (0.12 R)
• M29: 28,418,210 km (0.104 R)
• M30: 30,226,848 km (0.104 R)
• M31: 38,230,633 km (0.083 R)
• M32: 39,596,462 km (0.107 R)
• M33: 40,712,313 km (0.111 R)
• M34: 41,562,926 km (0.039 R)
• M35: 43,593,568 km (0.106 R)
• M36: 44,933,366 km (0.068 R)
• M37: 52,045,847 km (0.058 R)
• M38: 59,691,046 km (0.06 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 10,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit