🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.44 AU - 0.62 AU

Year: 145 Days

Day: 26.8 Hours

Environment

Temp: 175 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.74 AU - 1.08 AU

Year: 327 Days

Day: 24.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 158.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.96 AU - 0.98 AU

Year: 360 Days

Day: 25.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 8.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.94 AU - 1.22 AU

Year: 423 Days

Day: 44.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.43 AU - 1.57 AU

Year: 692 Days

Day: 41.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 19,090,254 km

• M1: 26,329 km (0.101 R)
• M2: 208,839 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.3

Radius: 13.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.47 AU - 6.59 AU

Year: 4899 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,090,254 km

• M1: 172,337 km (0.104 R)
• M2: 655,837 km (0.109 R)
• M3: 1,651,710 km (0.085 R)
• M4: 2,222,426 km (0.092 R)
• M5: 2,849,241 km (0.106 R)
• M6: 3,506,125 km (0.117 R)
• M7: 4,311,560 km (0.074 R)
• M8: 5,554,270 km (0.081 R)
• M9: 6,684,182 km (0.108 R)
• M10: 7,482,885 km (0.027 R)
• M11: 8,579,887 km (0.119 R)
• M12: 11,716,356 km (0.075 R)
• M13: 12,878,432 km (0.096 R)
• M14: 14,395,205 km (0.08 R)
• M15: 14,964,873 km (0.094 R)
• M16: 18,305,244 km (0.096 R)
• M17: 20,078,727 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 9.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.28 AU - 7.76 AU

Year: 7769 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,090,254 km

• M1: 115,938 km (0.096 R)
• M2: 475,572 km (0.033 R)
• M3: 815,159 km (0.101 R)
• M4: 1,866,682 km (0.055 R)
• M5: 2,572,784 km (0.098 R)
• M6: 5,277,663 km (0.038 R)
• M7: 7,286,015 km (0.093 R)
• M8: 7,992,416 km (0.109 R)
• M9: 8,543,385 km (0.039 R)
• M10: 9,541,502 km (0.04 R)
• M11: 10,087,384 km (0.079 R)
• M12: 12,914,186 km (0.119 R)
• M13: 15,377,764 km (0.109 R)
• M14: 18,526,649 km (0.074 R)
• M15: 18,976,639 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit