🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.75 AU

Year: 175 Days

Day: 27.7 Hours

Environment

Temp: 163 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,224,100 km

• M1: 84,822 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.88 AU - 1.34 AU

Year: 441 Days

Day: 42.5 Hours

Environment

Temp: -12 °C

Axial Tilt: 159.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.15 AU - 1.43 AU

Year: 552 Days

Day: 38.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.55 AU - 1.91 AU

Year: 857 Days

Day: 47.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.54 AU - 2.98 AU

Year: 1727 Days

Day: 21.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.44 AU - 3.52 AU

Year: 1938 Days

Day: 31.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,224,100 km

• M1: 368,160 km (0.08 R)
• M2: 586,124 km (0.058 R)

Asteroid Belt

Center: 4.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.75 AU - 5.83 AU

Year: 4584 Days

Day: 11.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,224,100 km

• M1: 148,850 km (0.103 R)
• M2: 581,637 km (0.051 R)
• M3: 1,713,045 km (0.076 R)
• M4: 2,204,773 km (0.117 R)
• M5: 3,958,060 km (0.085 R)
• M6: 4,329,362 km (0.11 R)
• M7: 5,817,113 km (0.057 R)
• M8: 8,899,577 km (0.096 R)
• M9: 10,807,997 km (0.109 R)
• M10: 12,694,726 km (0.07 R)
• M11: 13,842,441 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.5

Radius: 5.5

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.91 AU - 14.21 AU

Year: 15778 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,224,100 km

• M1: 68,516 km (0.068 R)
• M2: 326,722 km (0.106 R)
• M3: 740,958 km (0.047 R)
• M4: 1,559,408 km (0.065 R)
• M5: 2,172,311 km (0.054 R)
• M6: 3,100,266 km (0.088 R)
• M7: 4,237,210 km (0.069 R)
• M8: 8,627,608 km (0.12 R)
• M9: 8,921,568 km (0.088 R)
• M10: 10,219,031 km (0.077 R)
• M11: 12,990,032 km (0.062 R)
• M12: 13,704,063 km (0.104 R)
• M13: 26,213,137 km (0.077 R)
• M14: 30,283,695 km (0.106 R)
• M15: 35,126,926 km (0.099 R)
• M16: 38,980,867 km (0.067 R)
• M17: 41,423,650 km (0.073 R)
• M18: 43,822,452 km (0.083 R)
• M19: 45,275,945 km (0.029 R)
• M20: 49,828,956 km (0.067 R)
• M21: 54,677,723 km (0.103 R)
• M22: 55,683,768 km (0.119 R)

Asteroid Belt

Center: 15.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.7

Radius: 5.7

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 18.46 AU - 18.54 AU

Year: 29977 Days

Day: 24.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,224,100 km

• M1: 71,059 km (0.064 R)
• M2: 669,899 km (0.069 R)
• M3: 1,433,596 km (0.076 R)
• M4: 1,628,074 km (0.112 R)
• M5: 2,539,424 km (0.097 R)
• M6: 2,772,198 km (0.041 R)
• M7: 3,432,972 km (0.084 R)
• M8: 4,193,528 km (0.036 R)
• M9: 5,060,746 km (0.104 R)
• M10: 12,676,176 km (0.102 R)
• M11: 13,905,272 km (0.109 R)
• M12: 16,776,653 km (0.115 R)
• M13: 18,065,888 km (0.107 R)
• M14: 19,818,726 km (0.101 R)
• M15: 22,111,164 km (0.102 R)
• M16: 23,545,807 km (0.068 R)
• M17: 40,311,839 km (0.106 R)
• M18: 41,947,542 km (0.079 R)
• M19: 46,406,157 km (0.04 R)
• M20: 68,084,684 km (0.082 R)
• M21: 81,990,703 km (0.086 R)
• M22: 88,917,384 km (0.045 R)
• M23: 93,368,220 km (0.067 R)
• M24: 95,361,312 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 19,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit