🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.5 AU - 0.54 AU

Year: 144 Days

Day: 13.7 Hours

Environment

Temp: 204 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.92 AU - 1.16 AU

Year: 406 Days

Day: 16.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 174.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.88 AU - 3.42 AU

Year: 2141 Days

Day: 42.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 12.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4 AU - 5.36 AU

Year: 3876 Days

Day: 12.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,139,412 km

• M1: 263,442 km (0.047 R)
• M2: 890,407 km (0.049 R)
• M3: 2,860,162 km (0.056 R)
• M4: 3,632,835 km (0.093 R)
• M5: 4,264,287 km (0.041 R)
• M6: 5,050,574 km (0.067 R)
• M7: 6,378,404 km (0.072 R)
• M8: 7,463,139 km (0.03 R)
• M9: 8,103,567 km (0.083 R)
• M10: 8,345,018 km (0.042 R)
• M11: 9,464,758 km (0.116 R)
• M12: 10,015,129 km (0.11 R)
• M13: 10,706,570 km (0.081 R)
• M14: 11,214,754 km (0.11 R)
• M15: 11,603,708 km (0.041 R)
• M16: 12,455,968 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 8.4

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.5 AU - 10.14 AU

Year: 9189 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,139,412 km

• M1: 116,836 km (0.094 R)
• M2: 590,612 km (0.1 R)
• M3: 1,126,622 km (0.066 R)
• M4: 1,460,374 km (0.048 R)
• M5: 2,835,179 km (0.05 R)
• M6: 3,118,816 km (0.083 R)
• M7: 3,290,555 km (0.095 R)
• M8: 3,544,422 km (0.097 R)
• M9: 4,053,354 km (0.111 R)
• M10: 4,627,062 km (0.045 R)
• M11: 5,271,231 km (0.119 R)
• M12: 6,724,125 km (0.087 R)
• M13: 6,904,839 km (0.042 R)
• M14: 9,303,940 km (0.086 R)
• M15: 9,688,556 km (0.079 R)
• M16: 11,399,358 km (0.081 R)
• M17: 11,587,552 km (0.068 R)
• M18: 12,210,178 km (0.093 R)
• M19: 16,178,411 km (0.066 R)
• M20: 16,515,605 km (0.078 R)
• M21: 16,685,548 km (0.046 R)
• M22: 18,552,380 km (0.109 R)
• M23: 19,095,420 km (0.091 R)
• M24: 21,217,915 km (0.066 R)
• M25: 21,668,803 km (0.084 R)
• M26: 25,729,338 km (0.101 R)
• M27: 30,063,487 km (0.042 R)
• M28: 30,677,138 km (0.103 R)
• M29: 32,476,351 km (0.057 R)
• M30: 32,794,546 km (0.103 R)
• M31: 33,516,057 km (0.099 R)
• M32: 34,654,048 km (0.092 R)
• M33: 34,900,435 km (0.107 R)
• M34: 36,396,863 km (0.092 R)
• M35: 41,612,443 km (0.119 R)
• M36: 42,243,746 km (0.112 R)
• M37: 43,520,564 km (0.074 R)
• M38: 44,909,730 km (0.083 R)
• M39: 47,946,566 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 13.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.86 AU - 10.16 AU

Year: 9505 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,139,412 km

• M1: 229,483 km (0.091 R)
• M2: 651,798 km (0.108 R)
• M3: 1,405,322 km (0.061 R)
• M4: 1,692,401 km (0.118 R)
• M5: 3,067,205 km (0.114 R)
• M6: 3,712,870 km (0.039 R)
• M7: 4,045,874 km (0.081 R)
• M8: 5,970,002 km (0.097 R)
• M9: 7,676,764 km (0.079 R)
• M10: 8,612,649 km (0.119 R)
• M11: 9,383,526 km (0.12 R)
• M12: 9,781,457 km (0.073 R)
• M13: 11,264,869 km (0.092 R)
• M14: 12,701,009 km (0.094 R)
• M15: 17,775,219 km (0.1 R)
• M16: 18,694,199 km (0.101 R)
• M17: 19,193,856 km (0.11 R)
• M18: 19,827,851 km (0.082 R)
• M19: 20,995,313 km (0.111 R)
• M20: 23,990,711 km (0.079 R)
• M21: 26,001,606 km (0.114 R)
• M22: 34,099,937 km (0.04 R)
• M23: 34,944,866 km (0.054 R)
• M24: 36,665,989 km (0.113 R)
• M25: 39,325,690 km (0.103 R)
• M26: 41,150,784 km (0.108 R)
• M27: 42,546,831 km (0.09 R)
• M28: 43,966,365 km (0.091 R)
• M29: 45,215,508 km (0.092 R)
• M30: 45,895,280 km (0.064 R)
• M31: 49,878,024 km (0.111 R)
• M32: 51,828,033 km (0.083 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: 432 - 15,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit