🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.52 AU - 0.66 AU

Year: 159 Days

Day: 15.1 Hours

Environment

Temp: 219 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.9 AU - 1.02 AU

Year: 329 Days

Day: 14.1 Hours

Environment

Temp: 97 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.15 AU - 1.67 AU

Year: 586 Days

Day: 40.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 44.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 82,064,235 km

• M1: 348,862 km (0.117 R)
• M2: 883,375 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.41 AU - 1.71 AU

Year: 682 Days

Day: 43.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,064,235 km

• M1: 1,035,367 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.88 AU - 5.76 AU

Year: 3702 Days

Day: 44.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,064,235 km

• M1: 3,459,451 km (0.055 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.79 AU - 5.03 AU

Year: 3806 Days

Day: 40.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 11.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.49 AU - 9.09 AU

Year: 6886 Days

Day: 13.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,064,235 km

• M1: 145,559 km (0.065 R)
• M2: 554,111 km (0.112 R)
• M3: 997,070 km (0.096 R)
• M4: 1,368,073 km (0.113 R)
• M5: 2,234,843 km (0.092 R)
• M6: 3,175,664 km (0.098 R)
• M7: 3,666,195 km (0.039 R)
• M8: 4,054,252 km (0.069 R)
• M9: 4,496,912 km (0.07 R)
• M10: 4,942,863 km (0.117 R)
• M11: 6,088,633 km (0.073 R)
• M12: 6,885,392 km (0.061 R)
• M13: 8,311,658 km (0.042 R)
• M14: 9,470,443 km (0.093 R)
• M15: 10,112,218 km (0.075 R)
• M16: 13,593,510 km (0.105 R)
• M17: 15,137,061 km (0.102 R)
• M18: 19,575,330 km (0.086 R)
• M19: 21,075,049 km (0.094 R)
• M20: 22,169,507 km (0.113 R)
• M21: 25,071,107 km (0.075 R)
• M22: 26,567,983 km (0.075 R)
• M23: 28,030,602 km (0.077 R)
• M24: 33,363,317 km (0.09 R)
• M25: 37,047,015 km (0.095 R)
• M26: 38,294,512 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.4

Radius: 3.9

Gravity: 43.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 12.77 AU - 19.65 AU

Year: 22832 Days

Day: 16.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,064,235 km

• M1: 48,619 km (0.06 R)
• M2: 551,119 km (0.112 R)
• M3: 714,479 km (0.091 R)
• M4: 1,239,867 km (0.109 R)
• M5: 1,947,166 km (0.106 R)
• M6: 2,444,878 km (0.109 R)
• M7: 3,686,840 km (0.096 R)
• M8: 4,373,494 km (0.082 R)
• M9: 5,103,083 km (0.106 R)
• M10: 6,168,369 km (0.082 R)
• M11: 6,344,446 km (0.066 R)
• M12: 6,660,696 km (0.06 R)
• M13: 8,455,421 km (0.104 R)
• M14: 9,995,980 km (0.083 R)
• M15: 15,237,291 km (0.118 R)
• M16: 22,990,500 km (0.043 R)
• M17: 27,344,396 km (0.047 R)
• M18: 32,747,273 km (0.104 R)
• M19: 40,485,522 km (0.086 R)
• M20: 44,447,173 km (0.05 R)
• M21: 46,437,423 km (0.055 R)
• M22: 47,796,669 km (0.066 R)
• M23: 54,056,143 km (0.096 R)
• M24: 54,616,687 km (0.081 R)
• M25: 64,539,962 km (0.087 R)
• M26: 72,610,767 km (0.091 R)
• M27: 76,769,439 km (0.112 R)
• M28: 78,190,169 km (0.114 R)
• M29: 80,111,605 km (0.105 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 13,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit