🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.45 AU - 0.67 AU

Year: 271 Days

Day: 43.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 13.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.04 AU - 1.54 AU

Year: 946 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,319,431 km

• M1: 167,699 km (0.057 R)
• M2: 763,248 km (0.094 R)
• M3: 1,234,930 km (0.104 R)
• M4: 1,859,950 km (0.029 R)
• M5: 2,327,593 km (0.095 R)
• M6: 2,824,557 km (0.079 R)
• M7: 3,520,636 km (0.063 R)
• M8: 3,988,429 km (0.085 R)
• M9: 5,068,825 km (0.102 R)
• M10: 5,489,344 km (0.103 R)
• M11: 7,009,259 km (0.108 R)
• M12: 7,435,762 km (0.115 R)
• M13: 8,211,278 km (0.039 R)
• M14: 8,902,719 km (0.091 R)
• M15: 9,404,021 km (0.099 R)
• M16: 10,012,585 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 11.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.38 AU - 1.84 AU

Year: 1319 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,319,431 km

• M1: 138,079 km (0.116 R)
• M2: 516,113 km (0.115 R)
• M3: 1,227,002 km (0.09 R)
• M4: 1,627,924 km (0.096 R)
• M5: 3,066,457 km (0.111 R)
• M6: 4,606,567 km (0.113 R)
• M7: 5,204,510 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.8

Radius: 14.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.6 AU - 2.06 AU

Year: 1598 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,319,431 km

• M1: 181,612 km (0.119 R)
• M2: 722,109 km (0.05 R)
• M3: 1,206,208 km (0.1 R)
• M4: 1,729,052 km (0.112 R)
• M5: 2,755,593 km (0.07 R)
• M6: 3,487,725 km (0.076 R)
• M7: 4,140,869 km (0.047 R)
• M8: 4,633,046 km (0.112 R)
• M9: 5,144,820 km (0.039 R)
• M10: 6,126,482 km (0.087 R)
• M11: 7,204,933 km (0.096 R)
• M12: 9,707,406 km (0.043 R)
• M13: 10,358,905 km (0.093 R)
• M14: 11,339,967 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 10.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.71 AU - 2.43 AU

Year: 1923 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,319,431 km

• M1: 134,339 km (0.076 R)
• M2: 575,054 km (0.067 R)
• M3: 917,035 km (0.056 R)
• M4: 2,008,501 km (0.062 R)
• M5: 2,456,995 km (0.084 R)
• M6: 3,092,487 km (0.119 R)
• M7: 3,441,499 km (0.059 R)
• M8: 4,125,610 km (0.029 R)
• M9: 5,046,385 km (0.096 R)
• M10: 5,882,338 km (0.082 R)
• M11: 6,781,720 km (0.097 R)
• M12: 9,998,523 km (0.079 R)
• M13: 10,589,584 km (0.062 R)
• M14: 11,500,785 km (0.091 R)
• M15: 13,437,629 km (0.076 R)
• M16: 13,815,663 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 13.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.48 AU - 4.08 AU

Year: 3836 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,319,431 km

• M1: 166,652 km (0.098 R)
• M2: 617,390 km (0.117 R)
• M3: 1,046,886 km (0.075 R)
• M4: 1,618,649 km (0.106 R)
• M5: 4,071,306 km (0.095 R)
• M6: 4,718,317 km (0.084 R)
• M7: 5,169,803 km (0.098 R)
• M8: 6,578,566 km (0.105 R)
• M9: 7,810,206 km (0.085 R)
• M10: 8,924,560 km (0.119 R)
• M11: 10,642,243 km (0.116 R)
• M12: 11,646,793 km (0.115 R)
• M13: 14,305,296 km (0.085 R)
• M14: 14,881,996 km (0.072 R)
• M15: 15,859,020 km (0.091 R)
• M16: 17,286,483 km (0.116 R)
• M17: 18,612,069 km (0.11 R)
• M18: 19,681,993 km (0.052 R)
• M19: 21,806,882 km (0.12 R)
• M20: 23,642,597 km (0.044 R)
• M21: 25,502,996 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675

Radius: 5

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.8 AU - 7.76 AU

Year: 11399 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,319,431 km

• M1: 122,371 km (0.062 R)
• M2: 350,508 km (0.061 R)
• M3: 550,520 km (0.049 R)
• M4: 754,272 km (0.098 R)
• M5: 1,863,241 km (0.033 R)
• M6: 2,069,687 km (0.089 R)
• M7: 2,329,538 km (0.1 R)
• M8: 3,146,043 km (0.085 R)
• M9: 3,364,456 km (0.089 R)
• M10: 4,551,216 km (0.111 R)
• M11: 7,499,192 km (0.12 R)
• M12: 8,949,543 km (0.097 R)
• M13: 9,438,578 km (0.067 R)
• M14: 10,577,168 km (0.098 R)
• M15: 11,862,214 km (0.118 R)
• M16: 12,632,792 km (0.111 R)
• M17: 15,076,174 km (0.097 R)
• M18: 15,767,915 km (0.036 R)
• M19: 16,193,072 km (0.112 R)
• M20: 16,845,019 km (0.033 R)
• M21: 17,589,718 km (0.041 R)
• M22: 18,356,108 km (0.084 R)
• M23: 19,304,857 km (0.094 R)
• M24: 19,873,180 km (0.1 R)
• M25: 21,043,184 km (0.115 R)
• M26: 24,827,562 km (0.071 R)
• M27: 25,018,299 km (0.119 R)
• M28: 25,888,809 km (0.104 R)
• M29: 29,573,105 km (0.061 R)
• M30: 30,874,906 km (0.11 R)
• M31: 31,428,418 km (0.074 R)
• M32: 32,327,651 km (0.062 R)
• M33: 33,475,815 km (0.096 R)
• M34: 34,295,611 km (0.11 R)
• M35: 36,834,885 km (0.116 R)
• M36: 49,593,190 km (0.045 R)
• M37: 50,657,729 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.7

Radius: 3.5

Gravity: 69.85 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.09 AU - 7.43 AU

Year: 12630 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,319,431 km

• M1: 43,683 km (0.119 R)
• M2: 161,267 km (0.107 R)
• M3: 276,756 km (0.112 R)
• M4: 694,134 km (0.071 R)
• M5: 856,149 km (0.098 R)
• M6: 1,409,661 km (0.091 R)
• M7: 1,559,707 km (0.113 R)
• M8: 1,720,226 km (0.116 R)
• M9: 1,874,162 km (0.105 R)
• M10: 2,605,696 km (0.062 R)
• M11: 2,879,310 km (0.099 R)
• M12: 3,247,620 km (0.075 R)
• M13: 3,456,608 km (0.097 R)
• M14: 3,646,598 km (0.084 R)
• M15: 4,018,049 km (0.08 R)
• M16: 5,319,401 km (0.101 R)
• M17: 10,347,984 km (0.062 R)
• M18: 15,043,711 km (0.025 R)
• M19: 20,718,108 km (0.099 R)
• M20: 21,616,892 km (0.082 R)
• M21: 22,075,859 km (0.088 R)
• M22: 23,395,611 km (0.038 R)
• M23: 23,976,948 km (0.03 R)
• M24: 27,134,810 km (0.084 R)
• M25: 31,370,075 km (0.108 R)
• M26: 33,766,483 km (0.076 R)
• M27: 35,769,300 km (0.085 R)
• M28: 36,282,121 km (0.087 R)
• M29: 43,111,713 km (0.114 R)
• M30: 51,072,563 km (0.111 R)
• M31: 53,705,785 km (0.104 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: 198 - 12,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit