🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.5 AU - 0.68 AU

Year: 172 Days

Day: 26.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,028,012 km

• M1: 90,806 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.51 AU - 0.67 AU

Year: 172 Days

Day: 37.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,028,012 km

• M1: 32,014 km (0.042 R)
• M2: 337,194 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.6 AU - 0.72 AU

Year: 203 Days

Day: 36.9 Hours

Environment

Temp: 122 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,028,012 km

• M1: 124,765 km (0.079 R)
• M2: 220,058 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.81 AU - 1.01 AU

Year: 329 Days

Day: 16.8 Hours

Environment

Temp: 39 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.3 AU - 1.36 AU

Year: 581 Days

Day: 34.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 137.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.63 AU - 2.15 AU

Year: 984 Days

Day: 37.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 10.1

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.4 AU - 6.98 AU

Year: 6554 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 151.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 37,028,012 km

• M1: 432,039 km (0.087 R)
• M2: 513,719 km (0.109 R)
• M3: 709,094 km (0.067 R)
• M4: 868,416 km (0.091 R)
• M5: 1,088,923 km (0.111 R)
• M6: 1,240,466 km (0.086 R)
• M7: 1,381,237 km (0.109 R)
• M8: 1,583,493 km (0.09 R)
• M9: 1,678,787 km (0.081 R)
• M10: 1,776,026 km (0.114 R)
• M11: 2,017,327 km (0.096 R)
• M12: 2,100,205 km (0.071 R)
• M13: 2,312,484 km (0.116 R)
• M14: 2,873,625 km (0.109 R)
• M15: 2,967,274 km (0.113 R)
• M16: 3,038,183 km (0.111 R)
• M17: 3,475,907 km (0.1 R)
• M18: 3,601,120 km (0.054 R)
• M19: 4,464,449 km (0.062 R)
• M20: 4,655,635 km (0.077 R)
• M21: 5,476,329 km (0.077 R)
• M22: 5,622,486 km (0.081 R)
• M23: 5,769,840 km (0.101 R)
• M24: 6,189,313 km (0.074 R)
• M25: 6,525,758 km (0.064 R)
• M26: 6,618,659 km (0.082 R)
• M27: 6,868,337 km (0.063 R)
• M28: 7,184,887 km (0.078 R)
• M29: 8,803,984 km (0.061 R)
• M30: 9,321,593 km (0.11 R)
• M31: 9,813,471 km (0.096 R)
• M32: 10,026,947 km (0.087 R)
• M33: 10,896,111 km (0.115 R)
• M34: 11,080,116 km (0.093 R)
• M35: 13,290,125 km (0.096 R)
• M36: 13,368,814 km (0.073 R)
• M37: 13,526,490 km (0.057 R)
• M38: 13,684,764 km (0.086 R)
• M39: 13,923,223 km (0.111 R)
• M40: 14,003,109 km (0.086 R)
• M41: 14,566,195 km (0.074 R)
• M42: 15,259,880 km (0.094 R)
• M43: 15,631,631 km (0.092 R)
• M44: 17,620,385 km (0.117 R)
• M45: 17,880,087 km (0.092 R)
• M46: 18,053,770 km (0.084 R)
• M47: 18,931,162 km (0.099 R)
• M48: 19,064,005 km (0.115 R)
• M49: 19,241,428 km (0.038 R)
• M50: 19,822,316 km (0.08 R)
• M51: 20,092,340 km (0.098 R)
• M52: 20,499,695 km (0.053 R)
• M53: 21,046,924 km (0.109 R)
• M54: 22,342,741 km (0.104 R)
• M55: 22,436,389 km (0.109 R)
• M56: 23,000,373 km (0.048 R)
• M57: 23,521,423 km (0.116 R)
• M58: 24,142,404 km (0.082 R)
• M59: 24,430,828 km (0.104 R)
• M60: 24,914,029 km (0.085 R)
• M61: 25,156,677 km (0.06 R)
• M62: 25,497,910 km (0.046 R)
• M63: 26,037,210 km (0.075 R)
• M64: 26,135,795 km (0.058 R)
• M65: 26,580,400 km (0.11 R)
• M66: 26,828,433 km (0.083 R)
• M67: 26,977,582 km (0.068 R)
• M68: 27,276,928 km (0.091 R)
• M69: 27,426,974 km (0.047 R)
• M70: 27,527,205 km (0.115 R)
• M71: 28,586,508 km (0.09 R)
• M72: 28,891,687 km (0.098 R)
• M73: 31,214,194 km (0.061 R)
• M74: 31,896,360 km (0.032 R)
• M75: 33,008,621 km (0.094 R)
• M76: 33,275,204 km (0.114 R)
• M77: 35,762,269 km (0.09 R)
• M78: 35,871,774 km (0.079 R)
• M79: 36,917,314 km (0.11 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: 462 - 13,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit