🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.63 AU - 0.95 AU

Year: 267 Days

Day: 47.4 Hours

Environment

Temp: 69 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.91 AU - 0.95 AU

Year: 342 Days

Day: 21.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.38 AU - 1.4 AU

Year: 624 Days

Day: 16.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.45 AU - 2.59 AU

Year: 1523 Days

Day: 25.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 174.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.99 AU - 3.27 AU

Year: 2109 Days

Day: 24.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 14.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.85 AU - 6.37 AU

Year: 4399 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,709,055 km

• M1: 185,352 km (0.084 R)
• M2: 932,743 km (0.11 R)
• M3: 1,434,344 km (0.117 R)
• M4: 2,121,597 km (0.114 R)
• M5: 2,821,266 km (0.072 R)
• M6: 3,593,191 km (0.087 R)
• M7: 5,456,582 km (0.058 R)
• M8: 6,164,629 km (0.04 R)
• M9: 8,171,185 km (0.078 R)
• M10: 8,770,774 km (0.118 R)
• M11: 9,249,038 km (0.1 R)
• M12: 12,541,537 km (0.101 R)
• M13: 14,527,300 km (0.054 R)
• M14: 15,251,054 km (0.109 R)
• M15: 18,390,066 km (0.118 R)
• M16: 19,237,538 km (0.057 R)
• M17: 20,751,020 km (0.119 R)
• M18: 22,478,726 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 14.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.32 AU - 8.4 AU

Year: 7603 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,709,055 km

• M1: 182,659 km (0.1 R)
• M2: 762,351 km (0.034 R)
• M3: 1,458,579 km (0.078 R)
• M4: 1,929,962 km (0.091 R)
• M5: 3,105,951 km (0.1 R)
• M6: 4,215,818 km (0.053 R)
• M7: 4,716,671 km (0.119 R)
• M8: 5,974,341 km (0.093 R)
• M9: 6,645,437 km (0.091 R)
• M10: 7,889,343 km (0.027 R)
• M11: 8,393,937 km (0.09 R)
• M12: 9,468,498 km (0.114 R)
• M13: 10,136,453 km (0.078 R)
• M14: 11,041,370 km (0.112 R)
• M15: 11,781,880 km (0.086 R)
• M16: 13,012,322 km (0.117 R)
• M17: 15,531,849 km (0.058 R)
• M18: 17,783,896 km (0.07 R)
• M19: 19,175,305 km (0.055 R)
• M20: 19,705,780 km (0.08 R)
• M21: 21,195,475 km (0.112 R)
• M22: 21,762,750 km (0.057 R)
• M23: 24,221,840 km (0.077 R)
• M24: 26,860,896 km (0.099 R)
• M25: 29,485,441 km (0.064 R)
• M26: 38,379,483 km (0.058 R)
• M27: 38,980,717 km (0.053 R)
• M28: 40,325,752 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.5

Radius: 7.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 18.55 AU - 19.57 AU

Year: 31687 Days

Day: 15.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,709,055 km

• M1: 89,609 km (0.096 R)
• M2: 379,679 km (0.105 R)
• M3: 945,459 km (0.092 R)
• M4: 1,752,090 km (0.063 R)
• M5: 1,982,022 km (0.068 R)
• M6: 2,978,344 km (0.047 R)
• M7: 4,274,460 km (0.09 R)
• M8: 5,142,726 km (0.052 R)
• M9: 8,450,185 km (0.117 R)
• M10: 9,398,935 km (0.107 R)
• M11: 10,355,165 km (0.048 R)
• M12: 13,390,356 km (0.105 R)
• M13: 14,911,916 km (0.08 R)
• M14: 24,276,742 km (0.104 R)
• M15: 24,938,414 km (0.071 R)
• M16: 26,761,563 km (0.083 R)
• M17: 28,549,706 km (0.115 R)
• M18: 34,666,614 km (0.112 R)
• M19: 35,224,165 km (0.093 R)
• M20: 37,223,241 km (0.087 R)
• M21: 38,696,631 km (0.102 R)
• M22: 40,055,578 km (0.103 R)
• M23: 44,979,891 km (0.085 R)
• M24: 49,233,557 km (0.055 R)
• M25: 53,747,822 km (0.098 R)
• M26: 54,307,318 km (0.065 R)
• M27: 56,584,647 km (0.101 R)
• M28: 58,924,656 km (0.092 R)
• M29: 69,812,838 km (0.117 R)
• M30: 71,373,743 km (0.106 R)
• M31: 75,494,117 km (0.084 R)
• M32: 77,850,433 km (0.117 R)
• M33: 81,230,746 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 18,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit