🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.61 AU - 0.75 AU

Year: 214 Days

Day: 30.9 Hours

Environment

Temp: 138 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,948,037 km

• M1: 142,567 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.7 AU - 0.86 AU

Year: 262 Days

Day: 27.1 Hours

Environment

Temp: 120 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.06 AU - 1.1 AU

Year: 427 Days

Day: 44.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.26 AU - 1.32 AU

Year: 558 Days

Day: 32.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,948,037 km

• M1: 238,160 km (0.095 R)
• M2: 766,839 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 638 Days

Day: 19.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,948,037 km

• M1: 334,052 km (0.113 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.66 AU - 2.76 AU

Year: 1251 Days

Day: 41.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,948,037 km

• M1: 905,067 km (0.083 R)
• M2: 1,358,498 km (0.052 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.02 AU - 3.32 AU

Year: 1661 Days

Day: 38.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,948,037 km

• M1: 1,636,750 km (0.087 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.01 AU - 3.09 AU

Year: 2028 Days

Day: 33.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 9.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.17 AU - 5.33 AU

Year: 3942 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 19,948,037 km

• M1: 143,464 km (0.096 R)
• M2: 239,506 km (0.106 R)
• M3: 441,613 km (0.097 R)
• M4: 655,987 km (0.068 R)
• M5: 795,262 km (0.046 R)
• M6: 1,039,256 km (0.103 R)
• M7: 1,104,182 km (0.099 R)
• M8: 1,272,479 km (0.058 R)
• M9: 1,749,846 km (0.108 R)
• M10: 2,069,687 km (0.085 R)
• M11: 2,307,697 km (0.09 R)
• M12: 2,393,865 km (0.088 R)
• M13: 2,525,062 km (0.094 R)
• M14: 2,964,431 km (0.083 R)
• M15: 3,026,814 km (0.118 R)
• M16: 3,828,210 km (0.065 R)
• M17: 4,068,763 km (0.025 R)
• M18: 4,912,644 km (0.047 R)
• M19: 5,344,982 km (0.06 R)
• M20: 5,691,900 km (0.078 R)
• M21: 6,326,644 km (0.102 R)
• M22: 6,693,757 km (0.087 R)
• M23: 6,796,830 km (0.102 R)
• M24: 6,859,062 km (0.11 R)
• M25: 6,963,182 km (0.104 R)
• M26: 7,214,956 km (0.086 R)
• M27: 7,448,478 km (0.049 R)
• M28: 8,541,141 km (0.08 R)
• M29: 8,810,866 km (0.12 R)
• M30: 9,636,646 km (0.114 R)
• M31: 9,893,954 km (0.092 R)
• M32: 9,964,565 km (0.053 R)
• M33: 10,200,929 km (0.088 R)
• M34: 10,511,046 km (0.107 R)
• M35: 11,018,631 km (0.053 R)
• M36: 11,116,319 km (0.1 R)
• M37: 11,410,877 km (0.059 R)
• M38: 11,534,295 km (0.107 R)
• M39: 12,233,964 km (0.089 R)
• M40: 12,691,135 km (0.041 R)
• M41: 13,387,214 km (0.118 R)
• M42: 13,674,293 km (0.11 R)
• M43: 13,858,148 km (0.114 R)
• M44: 13,963,615 km (0.1 R)
• M45: 14,334,618 km (0.107 R)
• M46: 15,631,182 km (0.116 R)
• M47: 15,795,890 km (0.059 R)
• M48: 15,933,669 km (0.115 R)
• M49: 16,127,099 km (0.048 R)
• M50: 16,572,153 km (0.066 R)
• M51: 17,049,520 km (0.09 R)
• M52: 17,417,680 km (0.069 R)
• M53: 17,502,951 km (0.079 R)
• M54: 18,075,462 km (0.082 R)
• M55: 19,326,699 km (0.046 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 13,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit