🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.51 AU - 0.53 AU

Year: 158 Days

Day: 28.3 Hours

Environment

Temp: 85 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,741,378 km

• M1: 43,234 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.68 AU

Year: 177 Days

Day: 19.9 Hours

Environment

Temp: 80 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.93 AU

Year: 279 Days

Day: 13.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.15 AU - 1.71 AU

Year: 721 Days

Day: 20.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,741,378 km

• M1: 38,147 km (0.053 R)
• M2: 535,560 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.93 AU - 2.11 AU

Year: 1211 Days

Day: 13.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,741,378 km

• M1: 47,871 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.98 AU - 2.36 AU

Year: 1348 Days

Day: 30.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,741,378 km

• M1: 420,669 km (0.115 R)

Asteroid Belt

Center: 2.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 11

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.19 AU - 3.83 AU

Year: 2773 Days

Day: 8.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,741,378 km

• M1: 136,732 km (0.043 R)
• M2: 554,709 km (0.113 R)
• M3: 1,064,389 km (0.101 R)
• M4: 1,957,189 km (0.066 R)
• M5: 3,393,777 km (0.058 R)
• M6: 3,951,478 km (0.066 R)
• M7: 5,251,035 km (0.037 R)
• M8: 6,438,393 km (0.075 R)
• M9: 7,917,916 km (0.035 R)
• M10: 8,607,712 km (0.025 R)
• M11: 10,035,773 km (0.057 R)
• M12: 11,974,861 km (0.099 R)
• M13: 12,465,243 km (0.045 R)
• M14: 13,054,209 km (0.072 R)
• M15: 13,573,763 km (0.052 R)
• M16: 13,972,441 km (0.1 R)
• M17: 15,453,610 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 10.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.39 AU - 4.59 AU

Year: 3361 Days

Day: 12.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,741,378 km

• M1: 133,292 km (0.064 R)
• M2: 660,774 km (0.099 R)
• M3: 1,033,123 km (0.091 R)
• M4: 1,368,671 km (0.101 R)
• M5: 2,068,639 km (0.108 R)
• M6: 2,431,414 km (0.079 R)
• M7: 3,495,354 km (0.078 R)
• M8: 4,152,238 km (0.094 R)
• M9: 4,779,203 km (0.111 R)
• M10: 5,231,438 km (0.067 R)
• M11: 5,638,194 km (0.111 R)
• M12: 7,998,699 km (0.108 R)
• M13: 9,695,438 km (0.117 R)
• M14: 10,127,327 km (0.067 R)
• M15: 10,837,468 km (0.09 R)
• M16: 11,903,203 km (0.109 R)
• M17: 14,380,544 km (0.106 R)
• M18: 15,666,338 km (0.062 R)
• M19: 17,709,994 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 11.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.15 AU - 6.11 AU

Year: 4900 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,741,378 km

• M1: 141,520 km (0.103 R)
• M2: 653,593 km (0.11 R)
• M3: 1,193,492 km (0.048 R)
• M4: 2,301,264 km (0.108 R)
• M5: 3,001,831 km (0.1 R)
• M6: 5,227,249 km (0.093 R)
• M7: 5,796,319 km (0.1 R)
• M8: 7,262,827 km (0.11 R)
• M9: 7,611,988 km (0.065 R)
• M10: 8,884,019 km (0.069 R)
• M11: 10,380,147 km (0.049 R)
• M12: 11,989,521 km (0.062 R)
• M13: 13,496,271 km (0.112 R)
• M14: 14,241,119 km (0.117 R)
• M15: 16,282,382 km (0.062 R)
• M16: 17,999,765 km (0.065 R)
• M17: 20,450,179 km (0.115 R)
• M18: 22,446,562 km (0.092 R)
• M19: 22,816,218 km (0.092 R)
• M20: 23,949,871 km (0.082 R)
• M21: 25,041,487 km (0.098 R)
• M22: 25,519,452 km (0.112 R)
• M23: 29,564,130 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit