🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.57 AU - 0.93 AU

Year: 243 Days

Day: 21.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.69 AU - 0.89 AU

Year: 263 Days

Day: 41.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.06 AU - 1.18 AU

Year: 444 Days

Day: 14 Hours

Environment

Temp: 0 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.06 AU - 1.56 AU

Year: 562 Days

Day: 12.7 Hours

Environment

Temp: -23 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,884,684 km

• M1: 161,267 km (0.098 R)
• M2: 379,380 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.26 AU - 2.02 AU

Year: 787 Days

Day: 37.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.87 AU - 3.01 AU

Year: 1428 Days

Day: 43.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 122.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.51 AU - 3.19 AU

Year: 1803 Days

Day: 45.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.6

Radius: 8.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.02 AU - 6.54 AU

Year: 5207 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,884,684 km

• M1: 106,962 km (0.101 R)
• M2: 1,118,992 km (0.054 R)
• M3: 1,394,551 km (0.118 R)
• M4: 2,086,890 km (0.119 R)
• M5: 3,907,347 km (0.069 R)
• M6: 7,199,398 km (0.084 R)
• M7: 8,408,148 km (0.115 R)
• M8: 8,686,400 km (0.113 R)
• M9: 11,306,308 km (0.101 R)
• M10: 13,351,460 km (0.112 R)
• M11: 14,068,483 km (0.082 R)
• M12: 16,159,562 km (0.111 R)
• M13: 16,481,945 km (0.08 R)
• M14: 17,195,378 km (0.055 R)
• M15: 18,391,263 km (0.073 R)
• M16: 19,158,700 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 8.4

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.45 AU - 10.07 AU

Year: 11426 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,884,684 km

• M1: 104,419 km (0.088 R)
• M2: 388,356 km (0.119 R)
• M3: 756,965 km (0.086 R)
• M4: 2,127,282 km (0.085 R)
• M5: 3,093,385 km (0.093 R)
• M6: 3,594,687 km (0.107 R)
• M7: 4,664,312 km (0.087 R)
• M8: 5,569,379 km (0.118 R)
• M9: 6,993,700 km (0.086 R)
• M10: 7,288,259 km (0.038 R)
• M11: 9,900,387 km (0.094 R)
• M12: 10,543,658 km (0.119 R)
• M13: 12,213,320 km (0.063 R)
• M14: 13,919,783 km (0.089 R)
• M15: 15,282,170 km (0.105 R)
• M16: 16,731,325 km (0.089 R)
• M17: 19,319,219 km (0.041 R)
• M18: 21,185,602 km (0.084 R)
• M19: 21,449,193 km (0.048 R)
• M20: 21,803,890 km (0.072 R)
• M21: 23,731,009 km (0.112 R)
• M22: 27,294,132 km (0.106 R)
• M23: 28,237,645 km (0.114 R)
• M24: 33,165,549 km (0.119 R)
• M25: 34,968,502 km (0.057 R)
• M26: 36,457,300 km (0.027 R)
• M27: 37,344,864 km (0.113 R)
• M28: 40,363,001 km (0.055 R)
• M29: 41,587,011 km (0.1 R)
• M30: 50,230,327 km (0.089 R)
• M31: 54,721,405 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 15,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit