🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.44 AU - 0.64 AU

Year: 252 Days

Day: 22.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 11.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.76 AU - 0.84 AU

Year: 455 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,339,344 km

• M1: 154,684 km (0.028 R)
• M2: 950,994 km (0.044 R)
• M3: 1,498,522 km (0.049 R)
• M4: 1,986,959 km (0.079 R)
• M5: 2,824,857 km (0.109 R)
• M6: 3,873,837 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.7

Radius: 14.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.32 AU - 1.5 AU

Year: 1065 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,339,344 km

• M1: 177,872 km (0.058 R)
• M2: 739,013 km (0.032 R)
• M3: 1,217,876 km (0.059 R)
• M4: 1,662,930 km (0.1 R)
• M5: 2,274,486 km (0.074 R)
• M6: 3,061,371 km (0.104 R)
• M7: 3,750,269 km (0.102 R)
• M8: 4,558,846 km (0.11 R)
• M9: 5,987,206 km (0.096 R)
• M10: 7,192,217 km (0.051 R)
• M11: 9,772,631 km (0.066 R)
• M12: 11,204,881 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 14.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.89 AU - 2.47 AU

Year: 2047 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,339,344 km

• M1: 184,604 km (0.117 R)
• M2: 689,945 km (0.043 R)
• M3: 1,232,686 km (0.061 R)
• M4: 2,622,750 km (0.101 R)
• M5: 3,276,493 km (0.116 R)
• M6: 3,906,000 km (0.085 R)
• M7: 4,471,331 km (0.065 R)
• M8: 5,113,405 km (0.113 R)
• M9: 5,575,213 km (0.119 R)
• M10: 6,346,690 km (0.108 R)
• M11: 7,504,428 km (0.073 R)
• M12: 8,446,296 km (0.068 R)
• M13: 9,363,630 km (0.11 R)
• M14: 10,058,662 km (0.115 R)
• M15: 11,013,694 km (0.081 R)
• M16: 12,149,292 km (0.113 R)
• M17: 14,379,497 km (0.108 R)
• M18: 15,258,833 km (0.071 R)
• M19: 16,619,575 km (0.093 R)
• M20: 17,226,943 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2 AU - 2.36 AU

Year: 2047 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,339,344 km

• M1: 182,809 km (0.052 R)
• M2: 775,665 km (0.088 R)
• M3: 1,529,489 km (0.066 R)
• M4: 2,335,672 km (0.078 R)
• M5: 2,794,638 km (0.089 R)
• M6: 3,314,790 km (0.082 R)
• M7: 4,299,892 km (0.067 R)
• M8: 6,123,789 km (0.084 R)
• M9: 8,739,208 km (0.032 R)
• M10: 9,402,825 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 13

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.26 AU - 2.48 AU

Year: 2320 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,339,344 km

• M1: 161,865 km (0.036 R)
• M2: 623,674 km (0.081 R)
• M3: 1,053,917 km (0.089 R)
• M4: 1,789,639 km (0.078 R)
• M5: 2,540,022 km (0.094 R)
• M6: 3,271,705 km (0.077 R)
• M7: 5,093,359 km (0.084 R)
• M8: 5,837,459 km (0.07 R)
• M9: 7,652,529 km (0.098 R)
• M10: 9,024,791 km (0.119 R)
• M11: 10,316,718 km (0.112 R)
• M12: 11,364,053 km (0.105 R)
• M13: 11,839,325 km (0.1 R)
• M14: 13,066,327 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 13.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.62 AU - 2.74 AU

Year: 2790 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,339,344 km

• M1: 171,738 km (0.098 R)
• M2: 610,808 km (0.081 R)
• M3: 1,328,279 km (0.111 R)
• M4: 1,887,776 km (0.078 R)
• M5: 3,120,013 km (0.098 R)
• M6: 3,627,449 km (0.118 R)
• M7: 4,318,143 km (0.117 R)
• M8: 5,391,058 km (0.033 R)
• M9: 6,576,771 km (0.065 R)
• M10: 7,109,489 km (0.055 R)
• M11: 8,568,667 km (0.093 R)
• M12: 9,314,412 km (0.083 R)
• M13: 10,533,635 km (0.074 R)
• M14: 12,292,008 km (0.103 R)
• M15: 13,710,346 km (0.108 R)
• M16: 15,286,210 km (0.101 R)
• M17: 16,012,358 km (0.082 R)
• M18: 19,328,494 km (0.113 R)
• M19: 20,737,257 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.8

Radius: 4.4

Gravity: 41.57 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.82 AU - 8.44 AU

Year: 13400 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,339,344 km

• M1: 54,753 km (0.046 R)
• M2: 192,832 km (0.068 R)
• M3: 351,256 km (0.081 R)
• M4: 925,263 km (0.109 R)
• M5: 1,506,750 km (0.103 R)
• M6: 2,872,878 km (0.12 R)
• M7: 3,698,209 km (0.093 R)
• M8: 4,165,254 km (0.043 R)
• M9: 5,286,938 km (0.117 R)
• M10: 5,503,855 km (0.113 R)
• M11: 6,391,120 km (0.1 R)
• M12: 7,595,084 km (0.05 R)
• M13: 8,691,187 km (0.063 R)
• M14: 10,899,402 km (0.091 R)
• M15: 11,670,878 km (0.056 R)
• M16: 13,454,982 km (0.08 R)
• M17: 15,267,360 km (0.107 R)
• M18: 17,793,769 km (0.04 R)
• M19: 19,970,418 km (0.085 R)
• M20: 20,763,436 km (0.054 R)
• M21: 21,577,249 km (0.119 R)
• M22: 21,945,708 km (0.097 R)
• M23: 22,885,033 km (0.088 R)
• M24: 27,338,113 km (0.096 R)
• M25: 33,921,018 km (0.072 R)
• M26: 45,130,686 km (0.103 R)
• M27: 58,933,184 km (0.066 R)
• M28: 59,833,464 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.9

Radius: 6.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.48 AU - 12.18 AU

Year: 19596 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,339,344 km

• M1: 81,082 km (0.049 R)
• M2: 397,332 km (0.096 R)
• M3: 620,083 km (0.112 R)
• M4: 1,067,830 km (0.106 R)
• M5: 2,251,298 km (0.097 R)
• M6: 2,633,521 km (0.114 R)
• M7: 2,896,514 km (0.119 R)
• M8: 4,830,066 km (0.111 R)
• M9: 5,191,794 km (0.058 R)
• M10: 6,782,019 km (0.077 R)
• M11: 7,068,649 km (0.118 R)
• M12: 7,709,975 km (0.09 R)
• M13: 10,832,382 km (0.056 R)
• M14: 16,181,553 km (0.057 R)
• M15: 16,546,422 km (0.085 R)
• M16: 16,842,177 km (0.11 R)
• M17: 21,101,677 km (0.116 R)
• M18: 28,070,096 km (0.063 R)
• M19: 35,076,063 km (0.098 R)
• M20: 42,607,418 km (0.113 R)
• M21: 49,143,050 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 14,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit