🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.61 AU - 0.89 AU

Year: 227 Days

Day: 21.7 Hours

Environment

Temp: 220 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.11 AU - 2.45 AU

Year: 1204 Days

Day: 23.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.74 AU - 3.02 AU

Year: 1710 Days

Day: 46 Hours

Environment

Temp: -87 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 14.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.29 AU - 7.19 AU

Year: 6122 Days

Day: 10.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,281,594 km

• M1: 296,503 km (0.114 R)
• M2: 1,638,097 km (0.048 R)
• M3: 2,492,600 km (0.116 R)
• M4: 3,183,143 km (0.069 R)
• M5: 4,099,879 km (0.051 R)
• M6: 4,931,793 km (0.085 R)
• M7: 6,273,985 km (0.061 R)
• M8: 8,698,967 km (0.113 R)
• M9: 10,847,491 km (0.12 R)
• M10: 11,521,579 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.3

Radius: 3.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 13.61 AU - 16.27 AU

Year: 20202 Days

Day: 16.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,281,594 km

• M1: 74,649 km (0.042 R)
• M2: 213,027 km (0.077 R)
• M3: 669,600 km (0.098 R)
• M4: 1,148,762 km (0.083 R)
• M5: 3,018,735 km (0.115 R)
• M6: 7,067,751 km (0.102 R)
• M7: 8,463,200 km (0.03 R)
• M8: 12,278,245 km (0.033 R)
• M9: 21,341,183 km (0.11 R)
• M10: 24,210,471 km (0.1 R)
• M11: 29,247,132 km (0.086 R)
• M12: 30,423,569 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.8

Radius: 7.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 18.18 AU - 19.62 AU

Year: 28745 Days

Day: 23.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,281,594 km

• M1: 93,349 km (0.107 R)
• M2: 527,183 km (0.043 R)
• M3: 911,051 km (0.109 R)
• M4: 2,089,134 km (0.108 R)
• M5: 3,163,097 km (0.067 R)
• M6: 4,182,457 km (0.08 R)
• M7: 6,099,105 km (0.059 R)
• M8: 8,140,667 km (0.042 R)
• M9: 8,638,230 km (0.056 R)
• M10: 9,639,488 km (0.116 R)
• M11: 10,483,071 km (0.109 R)
• M12: 12,575,795 km (0.111 R)
• M13: 13,650,955 km (0.113 R)
• M14: 14,713,399 km (0.091 R)
• M15: 15,906,293 km (0.06 R)
• M16: 18,230,595 km (0.114 R)
• M17: 19,781,925 km (0.047 R)
• M18: 20,408,441 km (0.101 R)
• M19: 23,540,871 km (0.083 R)
• M20: 24,961,452 km (0.118 R)
• M21: 26,331,020 km (0.098 R)
• M22: 28,534,896 km (0.093 R)
• M23: 30,858,600 km (0.065 R)
• M24: 34,064,333 km (0.099 R)
• M25: 35,485,064 km (0.116 R)
• M26: 41,563,674 km (0.076 R)
• M27: 46,553,212 km (0.066 R)
• M28: 49,272,901 km (0.088 R)
• M29: 52,776,483 km (0.118 R)
• M30: 55,202,362 km (0.101 R)
• M31: 56,979,884 km (0.11 R)
• M32: 57,882,857 km (0.087 R)
• M33: 64,472,344 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.5

Radius: 6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 15.19 AU - 24.63 AU

Year: 31080 Days

Day: 15.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,281,594 km

• M1: 75,248 km (0.116 R)
• M2: 264,190 km (0.067 R)
• M3: 880,084 km (0.081 R)
• M4: 1,211,593 km (0.06 R)
• M5: 3,112,384 km (0.113 R)
• M6: 3,622,213 km (0.095 R)
• M7: 4,093,297 km (0.056 R)
• M8: 4,806,580 km (0.109 R)
• M9: 5,676,042 km (0.049 R)
• M10: 8,550,715 km (0.116 R)
• M11: 9,012,973 km (0.082 R)
• M12: 11,331,889 km (0.063 R)
• M13: 13,672,198 km (0.086 R)
• M14: 14,955,000 km (0.093 R)
• M15: 15,777,339 km (0.099 R)
• M16: 18,679,538 km (0.049 R)
• M17: 24,173,520 km (0.12 R)
• M18: 24,786,273 km (0.093 R)
• M19: 25,619,084 km (0.085 R)
• M20: 26,149,109 km (0.074 R)
• M21: 30,418,184 km (0.052 R)
• M22: 33,719,061 km (0.102 R)
• M23: 35,783,511 km (0.074 R)
• M24: 42,776,314 km (0.075 R)
• M25: 44,124,640 km (0.117 R)
• M26: 47,222,064 km (0.11 R)
• M27: 52,814,930 km (0.075 R)
• M28: 53,157,060 km (0.078 R)
• M29: 54,192,277 km (0.105 R)
• M30: 59,755,523 km (0.101 R)
• M31: 61,817,580 km (0.119 R)
• M32: 62,007,420 km (0.057 R)
• M33: 63,732,882 km (0.11 R)
• M34: 66,281,581 km (0.073 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 12,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit