🌌 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: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.39 AU - 0.65 AU

Year: 161 Days

Day: 25.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.84 AU - 1.1 AU

Year: 411 Days

Day: 15 Hours

Environment

Temp: -50 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,677,026 km

• M1: 304,581 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.26 AU - 1.4 AU

Year: 660 Days

Day: 31 Hours

Environment

Temp: -90 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.21 AU - 1.91 AU

Year: 839 Days

Day: 20.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,677,026 km

• M1: 238,160 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.63 AU - 1.91 AU

Year: 1014 Days

Day: 45.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.87 AU - 2.49 AU

Year: 1386 Days

Day: 24.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.77 AU - 2.95 AU

Year: 1561 Days

Day: 30.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 12.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.92 AU - 5.8 AU

Year: 4612 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 27,677,026 km

• M1: 223,798 km (0.119 R)
• M2: 380,278 km (0.096 R)
• M3: 487,539 km (0.086 R)
• M4: 618,438 km (0.118 R)
• M5: 762,949 km (0.05 R)
• M6: 970,441 km (0.116 R)
• M7: 1,088,175 km (0.066 R)
• M8: 1,197,232 km (0.083 R)
• M9: 1,562,849 km (0.115 R)
• M10: 1,655,749 km (0.094 R)
• M11: 1,847,683 km (0.095 R)
• M12: 2,166,776 km (0.079 R)
• M13: 2,449,366 km (0.091 R)
• M14: 2,576,823 km (0.081 R)
• M15: 2,819,471 km (0.114 R)
• M16: 2,992,107 km (0.037 R)
• M17: 3,758,796 km (0.085 R)
• M18: 3,864,263 km (0.109 R)
• M19: 4,317,694 km (0.08 R)
• M20: 4,629,456 km (0.112 R)
• M21: 4,925,659 km (0.043 R)
• M22: 5,632,809 km (0.118 R)
• M23: 5,729,449 km (0.084 R)
• M24: 5,998,426 km (0.097 R)
• M25: 6,146,827 km (0.096 R)
• M26: 6,296,425 km (0.101 R)
• M27: 7,193,563 km (0.078 R)
• M28: 7,430,825 km (0.091 R)
• M29: 8,212,774 km (0.088 R)
• M30: 8,683,259 km (0.1 R)
• M31: 8,936,079 km (0.082 R)
• M32: 9,049,175 km (0.08 R)
• M33: 9,134,296 km (0.059 R)
• M34: 9,362,583 km (0.088 R)
• M35: 10,383,887 km (0.111 R)
• M36: 10,802,313 km (0.105 R)
• M37: 11,043,913 km (0.036 R)
• M38: 11,532,500 km (0.1 R)
• M39: 11,686,586 km (0.095 R)
• M40: 11,779,486 km (0.116 R)
• M41: 11,997,001 km (0.118 R)
• M42: 12,153,181 km (0.09 R)
• M43: 12,467,636 km (0.1 R)
• M44: 12,594,196 km (0.113 R)
• M45: 12,976,269 km (0.1 R)
• M46: 13,168,801 km (0.062 R)
• M47: 13,362,381 km (0.077 R)
• M48: 13,556,709 km (0.063 R)
• M49: 13,915,594 km (0.081 R)
• M50: 14,343,893 km (0.07 R)
• M51: 14,509,797 km (0.066 R)
• M52: 14,776,380 km (0.117 R)
• M53: 15,314,783 km (0.05 R)
• M54: 15,859,469 km (0.097 R)
• M55: 16,134,280 km (0.112 R)
• M56: 18,532,783 km (0.082 R)
• M57: 18,858,607 km (0.106 R)
• M58: 19,004,016 km (0.104 R)
• M59: 19,405,686 km (0.105 R)
• M60: 19,884,100 km (0.112 R)
• M61: 20,590,352 km (0.106 R)
• M62: 20,852,746 km (0.087 R)
• M63: 21,836,502 km (0.081 R)
• M64: 22,219,024 km (0.058 R)
• M65: 22,372,511 km (0.053 R)
• M66: 22,680,832 km (0.101 R)
• M67: 23,614,024 km (0.088 R)
• M68: 23,928,030 km (0.091 R)
• M69: 24,957,562 km (0.076 R)
• M70: 25,477,864 km (0.042 R)
• M71: 26,407,016 km (0.079 R)
• M72: 27,676,952 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit