🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.82 AU - 1.12 AU

Year: 360 Days

Day: 23.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,722,413 km

• M1: 40,990 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1 AU - 1.02 AU

Year: 382 Days

Day: 18.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,722,413 km

• M1: 101,727 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.51 AU - 3.65 AU

Year: 2036 Days

Day: 23.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 8.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.3 AU - 11.06 AU

Year: 11346 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 104,722,413 km

• M1: 107,710 km (0.116 R)
• M2: 673,938 km (0.058 R)
• M3: 1,165,517 km (0.091 R)
• M4: 1,729,052 km (0.078 R)
• M5: 3,120,163 km (0.083 R)
• M6: 4,204,149 km (0.057 R)
• M7: 5,734,236 km (0.114 R)
• M8: 6,847,843 km (0.115 R)
• M9: 9,368,118 km (0.106 R)
• M10: 10,437,443 km (0.081 R)
• M11: 10,764,016 km (0.09 R)
• M12: 19,168,125 km (0.096 R)
• M13: 20,157,565 km (0.109 R)
• M14: 25,452,283 km (0.099 R)
• M15: 26,130,410 km (0.098 R)
• M16: 28,507,969 km (0.077 R)
• M17: 32,487,571 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.1

Radius: 7.6

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 11.91 AU - 12.11 AU

Year: 15680 Days

Day: 16.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 104,722,413 km

• M1: 96,042 km (0.028 R)
• M2: 1,267,094 km (0.058 R)
• M3: 1,579,903 km (0.116 R)
• M4: 1,870,572 km (0.067 R)
• M5: 2,939,449 km (0.04 R)
• M6: 5,125,821 km (0.083 R)
• M7: 5,497,423 km (0.101 R)
• M8: 6,764,816 km (0.096 R)
• M9: 7,258,189 km (0.07 R)
• M10: 8,519,748 km (0.084 R)
• M11: 9,419,879 km (0.051 R)
• M12: 10,856,617 km (0.047 R)
• M13: 11,470,267 km (0.107 R)
• M14: 11,785,619 km (0.102 R)
• M15: 15,190,168 km (0.077 R)
• M16: 18,501,068 km (0.072 R)
• M17: 22,166,515 km (0.119 R)
• M18: 22,953,549 km (0.113 R)
• M19: 25,108,058 km (0.094 R)
• M20: 25,640,177 km (0.116 R)
• M21: 26,179,927 km (0.09 R)
• M22: 29,109,053 km (0.106 R)
• M23: 29,814,856 km (0.095 R)
• M24: 30,531,878 km (0.094 R)
• M25: 32,374,924 km (0.098 R)
• M26: 34,551,872 km (0.106 R)
• M27: 36,011,349 km (0.065 R)
• M28: 37,788,572 km (0.117 R)
• M29: 38,487,493 km (0.106 R)
• M30: 39,911,066 km (0.085 R)
• M31: 41,074,938 km (0.096 R)
• M32: 41,665,251 km (0.107 R)
• M33: 45,641,263 km (0.108 R)
• M34: 49,862,915 km (0.063 R)
• M35: 50,703,655 km (0.07 R)
• M36: 58,513,262 km (0.069 R)
• M37: 60,774,434 km (0.099 R)
• M38: 61,348,740 km (0.091 R)
• M39: 63,093,201 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.8

Radius: 7.3

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 16.5 AU - 19.96 AU

Year: 29323 Days

Day: 24.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 104,722,413 km

• M1: 142,417 km (0.113 R)
• M2: 384,018 km (0.074 R)
• M3: 711,188 km (0.1 R)
• M4: 1,380,489 km (0.032 R)
• M5: 1,667,567 km (0.069 R)
• M6: 1,972,598 km (0.084 R)
• M7: 2,642,646 km (0.108 R)
• M8: 5,137,041 km (0.093 R)
• M9: 6,345,343 km (0.049 R)
• M10: 8,122,865 km (0.05 R)
• M11: 8,585,123 km (0.081 R)
• M12: 8,882,673 km (0.082 R)
• M13: 9,373,354 km (0.078 R)
• M14: 10,543,209 km (0.12 R)
• M15: 10,954,005 km (0.079 R)
• M16: 12,935,728 km (0.061 R)
• M17: 13,406,512 km (0.114 R)
• M18: 14,549,590 km (0.084 R)
• M19: 16,384,108 km (0.111 R)
• M20: 16,842,626 km (0.057 R)
• M21: 17,498,912 km (0.038 R)
• M22: 19,672,569 km (0.108 R)
• M23: 20,295,195 km (0.076 R)
• M24: 24,074,486 km (0.085 R)
• M25: 24,906,998 km (0.036 R)
• M26: 25,635,690 km (0.094 R)
• M27: 26,129,213 km (0.065 R)
• M28: 26,378,443 km (0.089 R)
• M29: 31,984,773 km (0.118 R)
• M30: 35,367,779 km (0.087 R)
• M31: 51,678,285 km (0.098 R)
• M32: 56,524,209 km (0.114 R)
• M33: 71,637,633 km (0.071 R)
• M34: 73,356,662 km (0.11 R)
• M35: 90,937,254 km (0.062 R)
• M36: 99,173,365 km (0.049 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 10,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit