🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.71 AU - 1.05 AU

Year: 302 Days

Day: 44.4 Hours

Environment

Temp: 74 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.75 AU - 1.15 AU

Year: 338 Days

Day: 12 Hours

Environment

Temp: 28 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.83 AU - 1.15 AU

Year: 360 Days

Day: 30.7 Hours

Environment

Temp: 40 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.17 AU - 1.35 AU

Year: 517 Days

Day: 29.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,457,407 km

• M1: 48,619 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.36 AU - 1.36 AU

Year: 579 Days

Day: 28.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.37 AU - 1.65 AU

Year: 678 Days

Day: 28.6 Hours

Environment

Temp: -29 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.62 AU - 2.08 AU

Year: 919 Days

Day: 39.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 10.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.94 AU - 7.14 AU

Year: 6109 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,457,407 km

• M1: 136,134 km (0.108 R)
• M2: 655,987 km (0.06 R)
• M3: 1,053,767 km (0.082 R)
• M4: 1,604,437 km (0.032 R)
• M5: 2,174,255 km (0.098 R)
• M6: 2,544,959 km (0.103 R)
• M7: 2,908,183 km (0.116 R)
• M8: 3,324,364 km (0.085 R)
• M9: 5,203,313 km (0.092 R)
• M10: 6,091,177 km (0.096 R)
• M11: 8,267,377 km (0.054 R)
• M12: 9,107,967 km (0.115 R)
• M13: 9,737,176 km (0.107 R)
• M14: 11,374,076 km (0.047 R)
• M15: 13,467,997 km (0.077 R)
• M16: 15,185,829 km (0.105 R)
• M17: 16,935,077 km (0.095 R)
• M18: 17,829,822 km (0.05 R)
• M19: 18,231,193 km (0.087 R)
• M20: 19,051,738 km (0.079 R)
• M21: 19,896,816 km (0.09 R)
• M22: 21,403,416 km (0.117 R)
• M23: 21,856,847 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.5

Radius: 6.6

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 11.47 AU - 18.63 AU

Year: 21325 Days

Day: 16.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,457,407 km

• M1: 82,129 km (0.111 R)
• M2: 387,907 km (0.087 R)
• M3: 644,168 km (0.081 R)
• M4: 883,675 km (0.082 R)
• M5: 1,183,170 km (0.115 R)
• M6: 1,458,430 km (0.081 R)
• M7: 2,158,697 km (0.12 R)
• M8: 3,532,155 km (0.1 R)
• M9: 3,928,889 km (0.115 R)
• M10: 4,138,027 km (0.091 R)
• M11: 5,227,099 km (0.042 R)
• M12: 5,591,819 km (0.107 R)
• M13: 5,973,443 km (0.101 R)
• M14: 6,210,705 km (0.081 R)
• M15: 6,578,267 km (0.111 R)
• M16: 7,492,609 km (0.073 R)
• M17: 9,786,693 km (0.108 R)
• M18: 11,092,981 km (0.095 R)
• M19: 12,383,562 km (0.11 R)
• M20: 12,900,572 km (0.067 R)
• M21: 14,823,653 km (0.077 R)
• M22: 15,703,588 km (0.074 R)
• M23: 16,080,275 km (0.108 R)
• M24: 18,385,130 km (0.101 R)
• M25: 18,635,556 km (0.104 R)
• M26: 21,174,232 km (0.086 R)
• M27: 22,860,799 km (0.095 R)
• M28: 23,344,748 km (0.071 R)
• M29: 26,605,233 km (0.102 R)
• M30: 28,233,008 km (0.037 R)
• M31: 30,505,250 km (0.067 R)
• M32: 31,805,554 km (0.104 R)
• M33: 36,319,221 km (0.03 R)
• M34: 41,384,755 km (0.092 R)
• M35: 47,682,676 km (0.092 R)
• M36: 51,223,059 km (0.111 R)
• M37: 51,553,371 km (0.057 R)
• M38: 51,885,029 km (0.111 R)
• M39: 53,395,519 km (0.118 R)
• M40: 63,077,942 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit