🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.58 AU - 0.62 AU

Year: 166 Days

Day: 33.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.64 AU - 0.66 AU

Year: 188 Days

Day: 22.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.03 AU - 1.07 AU

Year: 385 Days

Day: 36.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 93,109,504 km

• M1: 34,557 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.19 AU - 1.39 AU

Year: 525 Days

Day: 25.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 93,109,504 km

• M1: 123,269 km (0.065 R)
• M2: 177,722 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.67 AU - 1.85 AU

Year: 836 Days

Day: 37 Hours

Environment

Temp: -44 °C

Axial Tilt: 153.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 8.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.92 AU - 11.16 AU

Year: 10553 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,109,504 km

• M1: 131,197 km (0.057 R)
• M2: 460,313 km (0.12 R)
• M3: 1,356,254 km (0.086 R)
• M4: 1,671,008 km (0.11 R)
• M5: 2,337,616 km (0.116 R)
• M6: 4,554,507 km (0.083 R)
• M7: 7,431,723 km (0.041 R)
• M8: 8,573,304 km (0.107 R)
• M9: 17,041,591 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 8.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.27 AU - 11.75 AU

Year: 11343 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,109,504 km

• M1: 180,415 km (0.091 R)
• M2: 612,753 km (0.043 R)
• M3: 886,517 km (0.052 R)
• M4: 2,394,164 km (0.065 R)
• M5: 3,548,312 km (0.054 R)
• M6: 4,842,034 km (0.086 R)
• M7: 5,151,851 km (0.114 R)
• M8: 5,811,428 km (0.075 R)
• M9: 8,129,747 km (0.096 R)
• M10: 8,981,108 km (0.088 R)
• M11: 9,580,846 km (0.069 R)
• M12: 10,070,629 km (0.086 R)
• M13: 12,880,825 km (0.091 R)
• M14: 14,785,206 km (0.11 R)
• M15: 18,591,275 km (0.077 R)
• M16: 19,074,028 km (0.055 R)
• M17: 20,136,472 km (0.084 R)
• M18: 25,961,962 km (0.068 R)
• M19: 27,710,163 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 9.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 11.68 AU - 11.72 AU

Year: 14334 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,109,504 km

• M1: 114,442 km (0.104 R)
• M2: 437,574 km (0.09 R)
• M3: 1,684,023 km (0.072 R)
• M4: 2,019,272 km (0.054 R)
• M5: 2,637,410 km (0.118 R)
• M6: 4,276,405 km (0.104 R)
• M7: 5,361,438 km (0.097 R)
• M8: 5,772,683 km (0.093 R)
• M9: 7,094,081 km (0.113 R)
• M10: 7,632,932 km (0.093 R)
• M11: 14,225,860 km (0.108 R)
• M12: 15,973,761 km (0.099 R)
• M13: 21,898,136 km (0.104 R)
• M14: 23,399,052 km (0.102 R)
• M15: 24,873,040 km (0.092 R)
• M16: 25,537,105 km (0.084 R)
• M17: 27,499,380 km (0.118 R)
• M18: 36,115,469 km (0.105 R)
• M19: 37,212,470 km (0.058 R)
• M20: 39,729,604 km (0.066 R)
• M21: 40,246,315 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.2

Radius: 4.5

Gravity: 30.73 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 17.08 AU - 19.84 AU

Year: 28407 Days

Day: 15.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 53.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,109,504 km

• M1: 65,075 km (0.103 R)
• M2: 1,074,113 km (0.052 R)
• M3: 1,847,085 km (0.102 R)
• M4: 3,369,692 km (0.112 R)
• M5: 3,649,141 km (0.118 R)
• M6: 5,407,664 km (0.07 R)
• M7: 7,402,851 km (0.1 R)
• M8: 7,768,468 km (0.101 R)
• M9: 7,928,687 km (0.041 R)
• M10: 9,655,495 km (0.114 R)
• M11: 11,898,267 km (0.043 R)
• M12: 12,472,423 km (0.099 R)
• M13: 13,753,280 km (0.074 R)
• M14: 15,963,888 km (0.114 R)
• M15: 40,904,247 km (0.097 R)
• M16: 56,800,068 km (0.03 R)
• M17: 57,606,849 km (0.089 R)
• M18: 82,899,361 km (0.061 R)
• M19: 87,102,163 km (0.09 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 12,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit