🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.84 AU

Year: 251 Days

Day: 40 Hours

Environment

Temp: 158 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.69 AU - 0.95 AU

Year: 275 Days

Day: 19.4 Hours

Environment

Temp: 98 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.2 AU

Year: 434 Days

Day: 38.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.78 AU

Year: 668 Days

Day: 32.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,366,775 km

• M1: 108,159 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.36 AU - 1.8 AU

Year: 737 Days

Day: 26.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,366,775 km

• M1: 43,982 km (0.106 R)

Asteroid Belt

Center: 4.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388

Radius: 11.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.64 AU - 7.78 AU

Year: 6446 Days

Day: 8 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,366,775 km

• M1: 139,276 km (0.106 R)
• M2: 551,567 km (0.084 R)
• M3: 1,246,599 km (0.055 R)
• M4: 1,680,134 km (0.107 R)
• M5: 2,169,319 km (0.12 R)
• M6: 3,043,868 km (0.077 R)
• M7: 5,367,721 km (0.09 R)
• M8: 7,860,770 km (0.116 R)
• M9: 9,037,955 km (0.115 R)
• M10: 14,333,271 km (0.12 R)
• M11: 14,883,343 km (0.114 R)
• M12: 17,349,164 km (0.096 R)
• M13: 18,100,894 km (0.031 R)
• M14: 18,874,165 km (0.08 R)
• M15: 22,703,571 km (0.054 R)
• M16: 25,793,964 km (0.09 R)
• M17: 26,362,286 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 11.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.78 AU - 7.8 AU

Year: 6562 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,366,775 km

• M1: 139,575 km (0.066 R)
• M2: 497,712 km (0.113 R)
• M3: 921,672 km (0.1 R)
• M4: 1,491,192 km (0.098 R)
• M5: 3,235,802 km (0.116 R)
• M6: 3,613,237 km (0.117 R)
• M7: 3,995,310 km (0.081 R)
• M8: 4,702,011 km (0.066 R)
• M9: 5,277,663 km (0.096 R)
• M10: 5,899,841 km (0.11 R)
• M11: 6,888,384 km (0.117 R)
• M12: 7,517,293 km (0.092 R)
• M13: 8,063,624 km (0.091 R)
• M14: 9,817,211 km (0.103 R)
• M15: 11,863,859 km (0.071 R)
• M16: 12,230,823 km (0.101 R)
• M17: 13,209,193 km (0.059 R)
• M18: 14,239,174 km (0.045 R)
• M19: 14,773,687 km (0.04 R)
• M20: 15,321,664 km (0.084 R)
• M21: 16,849,507 km (0.083 R)
• M22: 18,406,672 km (0.042 R)
• M23: 19,690,670 km (0.095 R)
• M24: 22,356,803 km (0.06 R)
• M25: 25,863,078 km (0.075 R)
• M26: 26,749,146 km (0.09 R)
• M27: 28,487,923 km (0.075 R)
• M28: 30,106,571 km (0.074 R)
• M29: 31,285,552 km (0.025 R)
• M30: 34,792,725 km (0.049 R)
• M31: 37,420,860 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 13.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.38 AU - 11.18 AU

Year: 10484 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 61.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,366,775 km

• M1: 167,998 km (0.056 R)
• M2: 684,410 km (0.049 R)
• M3: 1,705,565 km (0.069 R)
• M4: 2,249,354 km (0.099 R)
• M5: 5,746,802 km (0.066 R)
• M6: 7,125,197 km (0.069 R)
• M7: 15,123,298 km (0.105 R)
• M8: 19,483,028 km (0.04 R)
• M9: 21,129,652 km (0.117 R)
• M10: 26,198,327 km (0.077 R)
• M11: 28,202,041 km (0.115 R)
• M12: 30,494,030 km (0.076 R)
• M13: 31,348,683 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.9

Radius: 8

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 16.75 AU - 17.89 AU

Year: 26732 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,366,775 km

• M1: 100,979 km (0.086 R)
• M2: 588,668 km (0.073 R)
• M3: 1,006,494 km (0.081 R)
• M4: 1,508,545 km (0.108 R)
• M5: 2,371,725 km (0.104 R)
• M6: 2,952,164 km (0.027 R)
• M7: 3,203,638 km (0.115 R)
• M8: 5,227,099 km (0.03 R)
• M9: 6,622,698 km (0.099 R)
• M10: 7,560,228 km (0.1 R)
• M11: 8,753,420 km (0.112 R)
• M12: 9,216,874 km (0.11 R)
• M13: 9,880,790 km (0.1 R)
• M14: 11,236,296 km (0.076 R)
• M15: 14,311,729 km (0.057 R)
• M16: 15,036,980 km (0.063 R)
• M17: 16,386,502 km (0.068 R)
• M18: 18,184,519 km (0.047 R)
• M19: 19,518,932 km (0.064 R)
• M20: 20,917,522 km (0.099 R)
• M21: 22,274,824 km (0.088 R)
• M22: 25,395,884 km (0.032 R)
• M23: 34,449,547 km (0.089 R)
• M24: 38,602,833 km (0.054 R)
• M25: 41,119,967 km (0.115 R)
• M26: 51,347,524 km (0.04 R)
• M27: 51,908,666 km (0.097 R)
• M28: 61,032,042 km (0.115 R)
• M29: 68,875,907 km (0.117 R)
• M30: 71,865,770 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 11,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit