🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 135 Days

Day: 37.8 Hours

Environment

Temp: 188 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 118,596,015 km

• M1: 107,411 km (0.032 R)
• M2: 421,417 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.14 AU - 1.32 AU

Year: 477 Days

Day: 24.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.49 AU - 1.69 AU

Year: 701 Days

Day: 42.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 118,596,015 km

• M1: 200,760 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.41 AU - 1.79 AU

Year: 708 Days

Day: 35.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 169.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.14 AU - 3.2 AU

Year: 1526 Days

Day: 18.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.3

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.64 AU - 9.48 AU

Year: 8762 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 118,596,015 km

• M1: 167,998 km (0.085 R)
• M2: 807,081 km (0.1 R)
• M3: 1,924,876 km (0.08 R)
• M4: 2,699,942 km (0.06 R)
• M5: 4,147,451 km (0.107 R)
• M6: 7,195,358 km (0.098 R)
• M7: 7,686,488 km (0.083 R)
• M8: 9,059,797 km (0.112 R)
• M9: 9,633,355 km (0.101 R)
• M10: 10,180,135 km (0.118 R)
• M11: 10,853,176 km (0.089 R)
• M12: 11,390,980 km (0.112 R)
• M13: 12,461,802 km (0.081 R)
• M14: 14,287,943 km (0.056 R)
• M15: 19,861,960 km (0.052 R)
• M16: 22,604,388 km (0.051 R)
• M17: 24,384,303 km (0.119 R)
• M18: 25,684,608 km (0.115 R)
• M19: 27,030,690 km (0.117 R)
• M20: 34,705,659 km (0.098 R)
• M21: 39,667,072 km (0.094 R)
• M22: 40,430,769 km (0.074 R)
• M23: 40,945,236 km (0.099 R)
• M24: 41,987,485 km (0.052 R)
• M25: 44,807,405 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 12.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.96 AU - 11.16 AU

Year: 12005 Days

Day: 5.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 118,596,015 km

• M1: 151,692 km (0.03 R)
• M2: 571,613 km (0.091 R)
• M3: 1,080,545 km (0.085 R)
• M4: 1,974,393 km (0.103 R)
• M5: 2,392,070 km (0.107 R)
• M6: 2,869,287 km (0.085 R)
• M7: 3,262,430 km (0.057 R)
• M8: 3,744,734 km (0.071 R)
• M9: 4,885,866 km (0.107 R)
• M10: 5,660,335 km (0.097 R)
• M11: 7,453,714 km (0.107 R)
• M12: 8,341,577 km (0.07 R)
• M13: 9,348,221 km (0.086 R)
• M14: 13,870,116 km (0.114 R)
• M15: 14,330,279 km (0.112 R)
• M16: 15,490,411 km (0.036 R)
• M17: 18,544,900 km (0.103 R)
• M18: 18,942,980 km (0.096 R)
• M19: 19,591,936 km (0.106 R)
• M20: 24,747,976 km (0.111 R)
• M21: 31,753,345 km (0.093 R)
• M22: 32,209,170 km (0.11 R)
• M23: 35,522,912 km (0.098 R)
• M24: 37,769,423 km (0.047 R)
• M25: 38,409,852 km (0.088 R)
• M26: 38,927,460 km (0.108 R)
• M27: 44,220,532 km (0.118 R)
• M28: 49,058,677 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.3

Radius: 4.2

Gravity: 53.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 17.09 AU - 24.55 AU

Year: 33235 Days

Day: 21.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 118,596,015 km

• M1: 52,210 km (0.051 R)
• M2: 214,374 km (0.089 R)
• M3: 502,200 km (0.104 R)
• M4: 766,839 km (0.097 R)
• M5: 1,246,898 km (0.108 R)
• M6: 3,252,856 km (0.086 R)
• M7: 3,722,294 km (0.119 R)
• M8: 3,864,263 km (0.073 R)
• M9: 5,266,593 km (0.069 R)
• M10: 5,629,218 km (0.12 R)
• M11: 8,403,062 km (0.044 R)
• M12: 8,772,270 km (0.059 R)
• M13: 9,742,711 km (0.11 R)
• M14: 11,145,191 km (0.105 R)
• M15: 11,741,937 km (0.097 R)
• M16: 18,103,287 km (0.11 R)
• M17: 19,560,520 km (0.075 R)
• M18: 30,548,783 km (0.106 R)
• M19: 30,692,846 km (0.116 R)
• M20: 33,364,364 km (0.058 R)
• M21: 36,186,827 km (0.054 R)
• M22: 36,835,035 km (0.096 R)
• M23: 38,657,287 km (0.096 R)
• M24: 42,480,410 km (0.097 R)
• M25: 48,088,984 km (0.049 R)
• M26: 51,272,725 km (0.114 R)
• M27: 63,284,836 km (0.099 R)
• M28: 65,174,706 km (0.076 R)
• M29: 69,066,345 km (0.094 R)
• M30: 69,314,677 km (0.098 R)
• M31: 74,666,392 km (0.102 R)
• M32: 80,013,169 km (0.108 R)
• M33: 85,609,326 km (0.103 R)
• M34: 98,512,741 km (0.102 R)
• M35: 115,424,032 km (0.117 R)
• M36: 117,886,114 km (0.118 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit