🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.55 AU - 0.57 AU

Year: 158 Days

Day: 36.4 Hours

Environment

Temp: 149 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,749,572 km

• M1: 59,690 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.7 AU - 0.86 AU

Year: 260 Days

Day: 40.5 Hours

Environment

Temp: 106 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.9 AU

Year: 280 Days

Day: 18.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.01 AU - 1.33 AU

Year: 477 Days

Day: 32.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 61.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.53 AU - 3.95 AU

Year: 2725 Days

Day: 44.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 10.5

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.56 AU - 4.96 AU

Year: 3912 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,749,572 km

• M1: 139,575 km (0.092 R)
• M2: 505,641 km (0.113 R)
• M3: 1,157,888 km (0.077 R)
• M4: 1,587,682 km (0.048 R)
• M5: 1,932,057 km (0.041 R)
• M6: 2,297,075 km (0.094 R)
• M7: 3,112,683 km (0.107 R)
• M8: 4,315,599 km (0.105 R)
• M9: 4,721,010 km (0.053 R)
• M10: 5,833,270 km (0.079 R)
• M11: 9,367,968 km (0.066 R)
• M12: 9,887,073 km (0.06 R)
• M13: 10,425,027 km (0.074 R)
• M14: 12,345,115 km (0.119 R)
• M15: 13,018,306 km (0.074 R)
• M16: 17,762,204 km (0.118 R)
• M17: 20,684,748 km (0.073 R)
• M18: 23,112,721 km (0.116 R)
• M19: 24,507,422 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 8.3

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.97 AU - 5.97 AU

Year: 4820 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,749,572 km

• M1: 103,223 km (0.107 R)
• M2: 363,373 km (0.065 R)
• M3: 677,379 km (0.084 R)
• M4: 998,715 km (0.065 R)
• M5: 1,354,758 km (0.099 R)
• M6: 1,932,655 km (0.087 R)
• M7: 2,262,668 km (0.073 R)
• M8: 3,338,576 km (0.102 R)
• M9: 3,748,773 km (0.06 R)
• M10: 4,241,100 km (0.09 R)
• M11: 7,197,154 km (0.101 R)
• M12: 9,984,012 km (0.111 R)
• M13: 12,893,392 km (0.091 R)
• M14: 13,365,822 km (0.06 R)
• M15: 14,345,089 km (0.05 R)
• M16: 14,681,984 km (0.101 R)
• M17: 16,022,381 km (0.11 R)
• M18: 17,697,877 km (0.043 R)
• M19: 18,677,593 km (0.073 R)
• M20: 19,900,406 km (0.114 R)
• M21: 20,531,410 km (0.101 R)
• M22: 23,809,997 km (0.11 R)
• M23: 25,083,973 km (0.112 R)
• M24: 26,486,752 km (0.062 R)
• M25: 27,767,310 km (0.114 R)
• M26: 30,451,395 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 13.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.97 AU - 7.75 AU

Year: 6769 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,749,572 km

• M1: 162,912 km (0.081 R)
• M2: 591,061 km (0.091 R)
• M3: 1,079,648 km (0.105 R)
• M4: 1,747,004 km (0.097 R)
• M5: 2,160,941 km (0.076 R)
• M6: 3,342,914 km (0.113 R)
• M7: 4,242,296 km (0.098 R)
• M8: 5,003,600 km (0.1 R)
• M9: 5,478,424 km (0.082 R)
• M10: 6,114,364 km (0.092 R)
• M11: 7,197,303 km (0.03 R)
• M12: 9,427,658 km (0.086 R)
• M13: 10,822,209 km (0.092 R)
• M14: 12,510,421 km (0.105 R)
• M15: 13,165,959 km (0.055 R)
• M16: 14,427,219 km (0.067 R)
• M17: 15,026,508 km (0.108 R)
• M18: 16,274,902 km (0.086 R)
• M19: 17,726,749 km (0.102 R)
• M20: 20,660,364 km (0.077 R)
• M21: 21,810,173 km (0.074 R)
• M22: 23,164,482 km (0.062 R)
• M23: 24,153,623 km (0.049 R)
• M24: 25,256,758 km (0.058 R)
• M25: 28,393,825 km (0.099 R)
• M26: 33,939,419 km (0.079 R)
• M27: 35,107,778 km (0.092 R)
• M28: 35,974,099 km (0.027 R)
• M29: 37,524,531 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit