🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 147 Days

Day: 37.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.73 AU - 1.09 AU

Year: 304 Days

Day: 18.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.37 AU - 1.75 AU

Year: 682 Days

Day: 26.4 Hours

Environment

Temp: -20 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 115,779,552 km

• M1: 115,190 km (0.069 R)
• M2: 148,551 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.91 AU - 2.39 AU

Year: 1103 Days

Day: 12.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.9

Radius: 14.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.68 AU - 7.02 AU

Year: 6272 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 115,779,552 km

• M1: 183,108 km (0.117 R)
• M2: 896,390 km (0.045 R)
• M3: 1,575,116 km (0.099 R)
• M4: 3,023,822 km (0.119 R)
• M5: 3,840,626 km (0.061 R)
• M6: 4,370,951 km (0.079 R)
• M7: 5,206,155 km (0.104 R)
• M8: 5,801,705 km (0.081 R)
• M9: 8,217,411 km (0.093 R)
• M10: 8,838,541 km (0.069 R)
• M11: 9,530,282 km (0.11 R)
• M12: 12,617,234 km (0.111 R)
• M13: 14,834,723 km (0.079 R)
• M14: 18,508,398 km (0.077 R)
• M15: 19,195,800 km (0.076 R)
• M16: 21,840,092 km (0.097 R)
• M17: 22,607,978 km (0.104 R)
• M18: 24,345,857 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 11.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.93 AU - 8.95 AU

Year: 8578 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 115,779,552 km

• M1: 144,362 km (0.082 R)
• M2: 942,616 km (0.077 R)
• M3: 1,890,169 km (0.116 R)
• M4: 2,491,852 km (0.074 R)
• M5: 4,707,546 km (0.116 R)
• M6: 5,494,879 km (0.059 R)
• M7: 5,997,678 km (0.104 R)
• M8: 8,718,564 km (0.063 R)
• M9: 10,805,753 km (0.084 R)
• M10: 11,924,297 km (0.101 R)
• M11: 12,341,974 km (0.066 R)
• M12: 12,986,890 km (0.05 R)
• M13: 13,654,097 km (0.095 R)
• M14: 14,204,168 km (0.104 R)
• M15: 15,743,680 km (0.108 R)
• M16: 16,297,790 km (0.095 R)
• M17: 18,092,965 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.1

Radius: 7.3

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 19.16 AU - 20.96 AU

Year: 31432 Days

Day: 23 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 115,779,552 km

• M1: 90,806 km (0.088 R)
• M2: 369,208 km (0.064 R)
• M3: 765,492 km (0.095 R)
• M4: 1,102,088 km (0.072 R)
• M5: 1,408,614 km (0.115 R)
• M6: 3,000,784 km (0.113 R)
• M7: 3,308,955 km (0.096 R)
• M8: 3,776,000 km (0.113 R)
• M9: 6,339,210 km (0.078 R)
• M10: 8,181,358 km (0.05 R)
• M11: 9,224,803 km (0.067 R)
• M12: 10,703,428 km (0.104 R)
• M13: 12,489,328 km (0.117 R)
• M14: 13,126,465 km (0.094 R)
• M15: 15,346,946 km (0.075 R)
• M16: 19,025,259 km (0.082 R)
• M17: 24,706,537 km (0.07 R)
• M18: 27,132,416 km (0.086 R)
• M19: 29,852,853 km (0.113 R)
• M20: 38,427,055 km (0.107 R)
• M21: 45,466,533 km (0.091 R)
• M22: 49,092,486 km (0.083 R)
• M23: 59,992,336 km (0.093 R)
• M24: 61,800,526 km (0.082 R)
• M25: 65,525,363 km (0.1 R)
• M26: 72,399,386 km (0.047 R)
• M27: 75,747,984 km (0.05 R)
• M28: 77,327,738 km (0.115 R)
• M29: 88,135,586 km (0.034 R)
• M30: 89,589,976 km (0.1 R)
• M31: 91,356,428 km (0.091 R)
• M32: 93,747,450 km (0.091 R)
• M33: 98,031,784 km (0.094 R)
• M34: 102,765,060 km (0.091 R)
• M35: 104,700,109 km (0.053 R)
• M36: 106,331,324 km (0.12 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 12,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit