🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.52 AU - 0.58 AU

Year: 188 Days

Day: 40 Hours

Environment

Temp: 5 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,626,169 km

• M1: 24,384 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.77 AU

Year: 225 Days

Day: 20.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 95 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.67 AU - 0.67 AU

Year: 252 Days

Day: 44.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.9 AU - 1.3 AU

Year: 531 Days

Day: 33.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.79 AU - 2.42 AU

Year: 1400 Days

Day: 34.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 12.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.24 AU - 3.7 AU

Year: 2975 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,626,169 km

• M1: 155,881 km (0.12 R)
• M2: 700,417 km (0.116 R)
• M3: 1,121,386 km (0.065 R)
• M4: 1,849,628 km (0.117 R)
• M5: 2,610,932 km (0.091 R)
• M6: 3,110,140 km (0.057 R)
• M7: 3,538,438 km (0.087 R)
• M8: 4,060,685 km (0.073 R)
• M9: 5,873,212 km (0.053 R)
• M10: 7,740,044 km (0.071 R)
• M11: 8,563,581 km (0.105 R)
• M12: 10,454,797 km (0.098 R)
• M13: 10,914,361 km (0.098 R)
• M14: 11,911,880 km (0.113 R)
• M15: 12,531,215 km (0.106 R)
• M16: 13,294,464 km (0.085 R)
• M17: 13,918,735 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 9.9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.65 AU - 5.05 AU

Year: 4915 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,626,169 km

• M1: 123,119 km (0.099 R)
• M2: 493,523 km (0.082 R)
• M3: 880,084 km (0.071 R)
• M4: 1,999,376 km (0.091 R)
• M5: 2,391,322 km (0.107 R)
• M6: 3,146,043 km (0.113 R)
• M7: 3,909,591 km (0.12 R)
• M8: 5,740,220 km (0.078 R)
• M9: 6,146,378 km (0.097 R)
• M10: 6,877,762 km (0.071 R)
• M11: 7,264,772 km (0.042 R)
• M12: 9,167,956 km (0.085 R)
• M13: 10,904,189 km (0.079 R)
• M14: 11,775,297 km (0.097 R)
• M15: 12,330,156 km (0.102 R)
• M16: 12,692,183 km (0.088 R)
• M17: 14,610,177 km (0.061 R)
• M18: 17,285,884 km (0.071 R)
• M19: 21,143,116 km (0.119 R)
• M20: 22,649,417 km (0.066 R)
• M21: 24,145,396 km (0.084 R)
• M22: 24,876,630 km (0.068 R)
• M23: 25,289,221 km (0.1 R)
• M24: 26,128,016 km (0.061 R)
• M25: 27,245,961 km (0.09 R)
• M26: 27,772,695 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.2

Radius: 5.2

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.24 AU - 11.28 AU

Year: 16242 Days

Day: 23.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,626,169 km

• M1: 70,760 km (0.077 R)
• M2: 322,084 km (0.091 R)
• M3: 578,944 km (0.111 R)
• M4: 2,825,904 km (0.081 R)
• M5: 3,527,817 km (0.118 R)
• M6: 4,674,185 km (0.075 R)
• M7: 7,633,531 km (0.09 R)
• M8: 8,038,193 km (0.109 R)
• M9: 9,614,057 km (0.099 R)
• M10: 10,085,888 km (0.063 R)
• M11: 11,281,325 km (0.119 R)
• M12: 13,246,891 km (0.077 R)
• M13: 15,557,580 km (0.109 R)
• M14: 17,011,223 km (0.106 R)
• M15: 17,216,172 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.2

Radius: 6.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.21 AU - 13.41 AU

Year: 19875 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,626,169 km

• M1: 90,956 km (0.06 R)
• M2: 330,013 km (0.078 R)
• M3: 703,409 km (0.071 R)
• M4: 1,048,831 km (0.042 R)
• M5: 1,783,057 km (0.114 R)
• M6: 2,155,556 km (0.067 R)
• M7: 3,405,895 km (0.069 R)
• M8: 5,026,788 km (0.046 R)
• M9: 10,279,767 km (0.074 R)
• M10: 14,133,708 km (0.113 R)
• M11: 17,541,996 km (0.06 R)
• M12: 18,853,820 km (0.111 R)
• M13: 21,391,598 km (0.091 R)
• M14: 24,224,084 km (0.082 R)
• M15: 24,834,443 km (0.069 R)
• M16: 27,543,661 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit