🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 215 Days

Day: 17.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.41 AU

Year: 450 Days

Day: 21.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.14 AU - 1.34 AU

Year: 517 Days

Day: 38.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.53 AU - 1.75 AU

Year: 787 Days

Day: 16.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.35 AU - 2.73 AU

Year: 1517 Days

Day: 26.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 10.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.26 AU - 6.18 AU

Year: 5127 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 99,578,332 km

• M1: 135,087 km (0.102 R)
• M2: 613,202 km (0.086 R)
• M3: 1,552,527 km (0.114 R)
• M4: 2,152,414 km (0.116 R)
• M5: 4,753,173 km (0.071 R)
• M6: 5,472,889 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 11.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.53 AU - 7.33 AU

Year: 6110 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 99,578,332 km

• M1: 140,472 km (0.064 R)
• M2: 580,440 km (0.115 R)
• M3: 940,971 km (0.11 R)
• M4: 1,365,679 km (0.115 R)
• M5: 2,511,449 km (0.058 R)
• M6: 4,959,020 km (0.098 R)
• M7: 6,890,478 km (0.087 R)
• M8: 7,927,191 km (0.048 R)
• M9: 9,987,603 km (0.115 R)
• M10: 10,923,337 km (0.111 R)
• M11: 11,763,778 km (0.114 R)
• M12: 12,753,667 km (0.105 R)
• M13: 18,141,734 km (0.106 R)
• M14: 21,522,496 km (0.102 R)
• M15: 23,562,562 km (0.101 R)
• M16: 28,114,676 km (0.112 R)
• M17: 34,042,491 km (0.066 R)
• M18: 35,405,328 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 13.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.31 AU - 8.25 AU

Year: 7361 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 99,578,332 km

• M1: 187,895 km (0.092 R)
• M2: 932,444 km (0.098 R)
• M3: 2,206,718 km (0.036 R)
• M4: 2,646,686 km (0.113 R)
• M5: 4,219,109 km (0.057 R)
• M6: 6,408,025 km (0.104 R)
• M7: 7,181,895 km (0.065 R)
• M8: 8,309,713 km (0.088 R)
• M9: 9,350,316 km (0.091 R)
• M10: 10,782,267 km (0.095 R)
• M11: 11,230,013 km (0.09 R)
• M12: 11,783,824 km (0.063 R)
• M13: 13,147,110 km (0.108 R)
• M14: 15,896,868 km (0.072 R)
• M15: 21,089,410 km (0.03 R)
• M16: 21,862,382 km (0.087 R)
• M17: 22,654,354 km (0.07 R)
• M18: 23,316,324 km (0.08 R)
• M19: 26,822,001 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.7

Radius: 8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.45 AU - 14.39 AU

Year: 18423 Days

Day: 19.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 99,578,332 km

• M1: 100,530 km (0.096 R)
• M2: 351,106 km (0.069 R)
• M3: 661,522 km (0.093 R)
• M4: 924,964 km (0.081 R)
• M5: 2,012,540 km (0.109 R)
• M6: 2,823,211 km (0.103 R)
• M7: 3,326,009 km (0.099 R)
• M8: 4,017,002 km (0.096 R)
• M9: 4,830,066 km (0.06 R)
• M10: 6,592,629 km (0.09 R)
• M11: 7,199,846 km (0.068 R)
• M12: 7,476,902 km (0.112 R)
• M13: 8,613,247 km (0.038 R)
• M14: 11,760,038 km (0.035 R)
• M15: 16,402,659 km (0.083 R)
• M16: 17,515,517 km (0.105 R)
• M17: 24,908,195 km (0.115 R)
• M18: 26,376,049 km (0.102 R)
• M19: 31,544,805 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.3

Radius: 7.4

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 16.69 AU - 21.89 AU

Year: 31749 Days

Day: 24.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 99,578,332 km

• M1: 92,152 km (0.088 R)
• M2: 491,878 km (0.115 R)
• M3: 899,981 km (0.099 R)
• M4: 1,761,066 km (0.103 R)
• M5: 2,252,645 km (0.083 R)
• M6: 2,998,839 km (0.111 R)
• M7: 5,213,486 km (0.096 R)
• M8: 6,555,079 km (0.086 R)
• M9: 7,410,181 km (0.097 R)
• M10: 7,783,128 km (0.1 R)
• M11: 8,624,616 km (0.084 R)
• M12: 8,977,667 km (0.115 R)
• M13: 10,553,382 km (0.066 R)
• M14: 11,163,292 km (0.068 R)
• M15: 12,012,859 km (0.047 R)
• M16: 13,134,394 km (0.105 R)
• M17: 14,000,117 km (0.107 R)
• M18: 14,242,615 km (0.111 R)
• M19: 14,819,614 km (0.115 R)
• M20: 16,108,250 km (0.097 R)
• M21: 17,751,283 km (0.107 R)
• M22: 18,808,641 km (0.116 R)
• M23: 24,614,534 km (0.089 R)
• M24: 25,445,102 km (0.081 R)
• M25: 29,085,716 km (0.072 R)
• M26: 41,394,928 km (0.099 R)
• M27: 46,401,370 km (0.116 R)
• M28: 47,122,132 km (0.101 R)
• M29: 47,667,566 km (0.098 R)
• M30: 64,035,369 km (0.092 R)
• M31: 72,617,499 km (0.111 R)
• M32: 83,252,262 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit