🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.67 AU - 0.79 AU

Year: 229 Days

Day: 33 Hours

Environment

Temp: 118 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.78 AU - 1.14 AU

Year: 345 Days

Day: 23.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,516,800 km

• M1: 87,814 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.82 AU - 1.32 AU

Year: 406 Days

Day: 31.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.16 AU - 1.32 AU

Year: 507 Days

Day: 42.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.74 AU - 1.94 AU

Year: 916 Days

Day: 46.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 156.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,516,800 km

• M1: 151,094 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.63 AU - 2.35 AU

Year: 1031 Days

Day: 34 Hours

Environment

Temp: -60 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,516,800 km

• M1: 399,426 km (0.105 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.02 AU - 3.36 AU

Year: 1620 Days

Day: 47.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.1 AU - 3.1 AU

Year: 2004 Days

Day: 35.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 150.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,516,800 km

• M1: 44,131 km (0.109 R)
• M2: 122,521 km (0.098 R)

Asteroid Belt

Center: 10.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.5

Radius: 5.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.48 AU - 18.74 AU

Year: 25981 Days

Day: 17.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,516,800 km

• M1: 69,713 km (0.083 R)
• M2: 471,084 km (0.079 R)
• M3: 1,352,365 km (0.118 R)
• M4: 1,934,450 km (0.065 R)
• M5: 2,122,644 km (0.116 R)
• M6: 4,544,185 km (0.057 R)
• M7: 5,374,752 km (0.115 R)
• M8: 6,302,109 km (0.036 R)
• M9: 11,388,138 km (0.099 R)
• M10: 11,755,849 km (0.071 R)
• M11: 13,714,385 km (0.116 R)
• M12: 16,494,212 km (0.089 R)
• M13: 16,728,333 km (0.096 R)
• M14: 30,303,143 km (0.044 R)
• M15: 39,930,215 km (0.118 R)
• M16: 41,638,323 km (0.081 R)
• M17: 42,803,691 km (0.088 R)
• M18: 46,741,256 km (0.103 R)
• M19: 48,477,489 km (0.079 R)
• M20: 54,632,544 km (0.088 R)
• M21: 58,347,508 km (0.111 R)
• M22: 59,622,381 km (0.083 R)
• M23: 62,227,329 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.2

Radius: 4.3

Gravity: 31.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.95 AU - 19.29 AU

Year: 27151 Days

Day: 16.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,516,800 km

• M1: 53,556 km (0.099 R)
• M2: 271,071 km (0.095 R)
• M3: 409,001 km (0.102 R)
• M4: 552,315 km (0.114 R)
• M5: 826,827 km (0.115 R)
• M6: 1,047,783 km (0.118 R)
• M7: 1,291,778 km (0.116 R)
• M8: 2,058,467 km (0.071 R)
• M9: 2,278,675 km (0.114 R)
• M10: 2,514,291 km (0.054 R)
• M11: 2,688,872 km (0.064 R)
• M12: 4,112,445 km (0.068 R)
• M13: 5,301,001 km (0.088 R)
• M14: 8,552,361 km (0.071 R)
• M15: 9,534,321 km (0.112 R)
• M16: 12,563,977 km (0.105 R)
• M17: 13,599,942 km (0.085 R)
• M18: 14,060,853 km (0.093 R)
• M19: 16,008,917 km (0.114 R)
• M20: 18,314,519 km (0.099 R)
• M21: 18,593,968 km (0.115 R)
• M22: 21,651,001 km (0.065 R)
• M23: 23,026,852 km (0.062 R)
• M24: 28,363,008 km (0.09 R)
• M25: 29,114,438 km (0.073 R)
• M26: 30,919,486 km (0.118 R)
• M27: 39,658,246 km (0.119 R)
• M28: 40,439,895 km (0.034 R)
• M29: 47,066,482 km (0.119 R)
• M30: 47,240,913 km (0.089 R)
• M31: 49,366,699 km (0.111 R)
• M32: 49,907,794 km (0.117 R)
• M33: 50,089,107 km (0.036 R)
• M34: 52,298,967 km (0.04 R)
• M35: 55,345,378 km (0.034 R)
• M36: 55,734,332 km (0.104 R)
• M37: 60,957,392 km (0.08 R)
• M38: 67,599,837 km (0.116 R)
• M39: 77,103,640 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 10,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit