🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.56 AU - 0.58 AU

Year: 161 Days

Day: 14.5 Hours

Environment

Temp: 216 °C

Axial Tilt: 41.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,236,962 km

• M1: 36,951 km (0.109 R)
• M2: 394,340 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.88 AU - 4.24 AU

Year: 3066 Days

Day: 19.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 14

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.4 AU - 5.6 AU

Year: 3577 Days

Day: 12.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,236,962 km

• M1: 174,132 km (0.085 R)
• M2: 1,004,400 km (0.025 R)
• M3: 1,560,755 km (0.116 R)
• M4: 2,167,374 km (0.091 R)
• M5: 2,730,760 km (0.087 R)
• M6: 3,391,234 km (0.081 R)
• M7: 3,882,962 km (0.094 R)
• M8: 4,721,758 km (0.104 R)
• M9: 7,944,694 km (0.106 R)
• M10: 9,228,244 km (0.112 R)
• M11: 10,011,090 km (0.079 R)
• M12: 10,722,278 km (0.114 R)
• M13: 13,104,025 km (0.112 R)
• M14: 14,001,613 km (0.117 R)
• M15: 17,468,992 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 11.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.67 AU - 6.71 AU

Year: 6484 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,236,962 km

• M1: 147,204 km (0.083 R)
• M2: 740,210 km (0.073 R)
• M3: 1,397,992 km (0.066 R)
• M4: 2,599,712 km (0.065 R)
• M5: 3,283,524 km (0.101 R)
• M6: 3,909,292 km (0.111 R)
• M7: 5,187,456 km (0.117 R)
• M8: 7,543,473 km (0.108 R)
• M9: 8,301,186 km (0.079 R)
• M10: 8,934,733 km (0.102 R)
• M11: 9,330,120 km (0.087 R)
• M12: 9,875,554 km (0.04 R)
• M13: 11,848,750 km (0.049 R)
• M14: 15,849,296 km (0.065 R)
• M15: 17,293,963 km (0.045 R)
• M16: 19,549,300 km (0.119 R)
• M17: 20,443,447 km (0.111 R)
• M18: 23,043,308 km (0.042 R)
• M19: 28,040,475 km (0.088 R)
• M20: 28,416,265 km (0.027 R)
• M21: 29,273,760 km (0.055 R)
• M22: 31,241,122 km (0.091 R)
• M23: 31,848,190 km (0.113 R)
• M24: 33,610,902 km (0.086 R)
• M25: 37,103,862 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 9.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.46 AU - 10.08 AU

Year: 10577 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,236,962 km

• M1: 130,749 km (0.064 R)
• M2: 482,453 km (0.086 R)
• M3: 1,904,381 km (0.059 R)
• M4: 2,364,993 km (0.105 R)
• M5: 3,050,001 km (0.094 R)
• M6: 4,235,714 km (0.092 R)
• M7: 6,049,289 km (0.08 R)
• M8: 7,326,257 km (0.106 R)
• M9: 9,281,650 km (0.09 R)
• M10: 11,238,390 km (0.046 R)
• M11: 12,003,584 km (0.08 R)
• M12: 12,803,035 km (0.062 R)
• M13: 19,969,371 km (0.083 R)
• M14: 22,338,852 km (0.12 R)
• M15: 24,981,049 km (0.075 R)
• M16: 32,376,121 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.6

Radius: 7.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 11.77 AU - 13.91 AU

Year: 17242 Days

Day: 20.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,236,962 km

• M1: 105,167 km (0.116 R)
• M2: 764,595 km (0.1 R)
• M3: 1,406,968 km (0.104 R)
• M4: 2,364,993 km (0.054 R)
• M5: 3,730,373 km (0.12 R)
• M6: 5,518,516 km (0.04 R)
• M7: 6,873,125 km (0.086 R)
• M8: 7,265,969 km (0.085 R)
• M9: 7,766,373 km (0.096 R)
• M10: 9,406,116 km (0.108 R)
• M11: 11,810,602 km (0.115 R)
• M12: 15,393,322 km (0.096 R)
• M13: 16,758,402 km (0.043 R)
• M14: 17,793,171 km (0.105 R)
• M15: 20,790,065 km (0.118 R)
• M16: 25,218,910 km (0.073 R)
• M17: 27,326,594 km (0.052 R)
• M18: 31,768,903 km (0.065 R)
• M19: 32,614,131 km (0.118 R)
• M20: 33,350,601 km (0.069 R)
• M21: 36,669,879 km (0.086 R)
• M22: 38,273,718 km (0.116 R)
• M23: 39,506,703 km (0.088 R)
• M24: 40,624,798 km (0.092 R)
• M25: 44,554,285 km (0.06 R)
• M26: 52,152,361 km (0.118 R)
• M27: 54,865,169 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 7.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 13.84 AU - 14.1 AU

Year: 19567 Days

Day: 23 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,236,962 km

• M1: 98,735 km (0.112 R)
• M2: 499,657 km (0.032 R)
• M3: 888,163 km (0.041 R)
• M4: 1,469,799 km (0.063 R)
• M5: 3,652,432 km (0.083 R)
• M6: 5,394,350 km (0.097 R)
• M7: 13,302,093 km (0.116 R)
• M8: 15,100,409 km (0.115 R)
• M9: 15,949,527 km (0.117 R)
• M10: 17,434,734 km (0.067 R)
• M11: 18,848,434 km (0.066 R)
• M12: 21,022,839 km (0.069 R)
• M13: 28,222,985 km (0.11 R)
• M14: 29,076,291 km (0.054 R)
• M15: 41,785,976 km (0.118 R)
• M16: 47,223,560 km (0.11 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: 394 - 16,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit