🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.51 AU - 0.55 AU

Year: 171 Days

Day: 42.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,073,177 km

• M1: 363,074 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.59 AU - 0.67 AU

Year: 221 Days

Day: 29.7 Hours

Environment

Temp: -5 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.78 AU - 1.18 AU

Year: 430 Days

Day: 44.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,073,177 km

• M1: 474,375 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.27 AU - 1.41 AU

Year: 687 Days

Day: 46.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.19 AU - 1.93 AU

Year: 863 Days

Day: 18.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.77 AU - 2.69 AU

Year: 1475 Days

Day: 35.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,073,177 km

• M1: 65,075 km (0.101 R)

Asteroid Belt

Center: 3.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.2

Radius: 11.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.24 AU - 5.28 AU

Year: 3894 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,073,177 km

• M1: 143,016 km (0.113 R)
• M2: 608,415 km (0.071 R)
• M3: 964,009 km (0.12 R)
• M4: 1,411,755 km (0.079 R)
• M5: 2,674,062 km (0.066 R)
• M6: 5,313,866 km (0.086 R)
• M7: 6,127,978 km (0.119 R)
• M8: 6,705,126 km (0.114 R)
• M9: 7,351,688 km (0.083 R)
• M10: 9,073,111 km (0.118 R)
• M11: 10,403,186 km (0.089 R)
• M12: 11,136,963 km (0.119 R)
• M13: 11,675,665 km (0.094 R)
• M14: 12,184,447 km (0.083 R)
• M15: 13,296,408 km (0.068 R)
• M16: 15,062,411 km (0.12 R)
• M17: 19,630,831 km (0.098 R)
• M18: 22,193,592 km (0.117 R)
• M19: 23,922,644 km (0.1 R)
• M20: 24,820,082 km (0.1 R)
• M21: 25,739,660 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.1

Radius: 12.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5 AU - 7.88 AU

Year: 7239 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,073,177 km

• M1: 160,668 km (0.11 R)
• M2: 586,124 km (0.084 R)
• M3: 991,834 km (0.078 R)
• M4: 1,999,974 km (0.071 R)
• M5: 2,966,675 km (0.054 R)
• M6: 3,803,675 km (0.1 R)
• M7: 4,267,279 km (0.092 R)
• M8: 4,816,303 km (0.116 R)
• M9: 7,181,595 km (0.118 R)
• M10: 8,760,302 km (0.068 R)
• M11: 12,917,327 km (0.109 R)
• M12: 14,021,210 km (0.116 R)
• M13: 15,660,354 km (0.094 R)
• M14: 16,636,779 km (0.049 R)
• M15: 20,123,008 km (0.1 R)
• M16: 21,146,557 km (0.108 R)
• M17: 21,737,319 km (0.116 R)
• M18: 22,952,053 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 6.1

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 9.29 AU - 14.21 AU

Year: 17840 Days

Day: 15.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,073,177 km

• M1: 77,641 km (0.082 R)
• M2: 270,623 km (0.114 R)
• M3: 513,420 km (0.118 R)
• M4: 819,796 km (0.119 R)
• M5: 1,384,678 km (0.115 R)
• M6: 1,821,504 km (0.109 R)
• M7: 2,345,994 km (0.119 R)
• M8: 2,678,251 km (0.075 R)
• M9: 3,143,799 km (0.059 R)
• M10: 4,728,041 km (0.089 R)
• M11: 5,750,542 km (0.06 R)
• M12: 6,230,901 km (0.08 R)
• M13: 11,143,845 km (0.112 R)
• M14: 12,340,029 km (0.119 R)
• M15: 14,112,166 km (0.073 R)
• M16: 15,208,269 km (0.102 R)
• M17: 19,624,847 km (0.072 R)
• M18: 21,835,904 km (0.111 R)
• M19: 23,398,902 km (0.108 R)
• M20: 24,722,694 km (0.092 R)
• M21: 48,173,656 km (0.051 R)
• M22: 51,316,707 km (0.108 R)
• M23: 51,655,247 km (0.057 R)
• M24: 52,852,030 km (0.082 R)
• M25: 57,459,345 km (0.078 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: 450 - 16,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit