🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.77 AU - 0.83 AU

Year: 267 Days

Day: 41.2 Hours

Environment

Temp: 166 °C

Axial Tilt: 97.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.75 AU - 0.93 AU

Year: 287 Days

Day: 32.2 Hours

Environment

Temp: 111 °C

Axial Tilt: 48.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 413 Days

Day: 25.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 91,495,543 km

• M1: 33,510 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.4 AU - 3.18 AU

Year: 1737 Days

Day: 17.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 12.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.24 AU - 7.32 AU

Year: 7322 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,495,543 km

• M1: 160,219 km (0.105 R)
• M2: 709,244 km (0.1 R)
• M3: 1,380,489 km (0.12 R)
• M4: 2,164,831 km (0.118 R)
• M5: 3,019,932 km (0.097 R)
• M6: 3,699,555 km (0.064 R)
• M7: 4,190,685 km (0.118 R)
• M8: 5,457,181 km (0.037 R)
• M9: 6,162,684 km (0.084 R)
• M10: 6,677,899 km (0.085 R)
• M11: 9,519,212 km (0.102 R)
• M12: 11,281,923 km (0.099 R)
• M13: 12,536,002 km (0.072 R)
• M14: 14,350,026 km (0.12 R)
• M15: 16,075,787 km (0.079 R)
• M16: 18,775,879 km (0.105 R)
• M17: 19,350,185 km (0.106 R)
• M18: 20,158,911 km (0.09 R)
• M19: 21,220,608 km (0.099 R)
• M20: 24,374,879 km (0.074 R)
• M21: 24,972,522 km (0.115 R)
• M22: 26,196,831 km (0.112 R)
• M23: 26,643,680 km (0.102 R)
• M24: 29,336,741 km (0.104 R)
• M25: 32,926,043 km (0.033 R)
• M26: 33,551,511 km (0.105 R)
• M27: 34,078,694 km (0.116 R)
• M28: 35,693,603 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857

Radius: 7.8

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 14.52 AU - 15.26 AU

Year: 21419 Days

Day: 23.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,495,543 km

• M1: 97,239 km (0.038 R)
• M2: 772,523 km (0.118 R)
• M3: 1,113,008 km (0.056 R)
• M4: 1,656,497 km (0.112 R)
• M5: 2,650,874 km (0.074 R)
• M6: 3,348,748 km (0.073 R)
• M7: 4,299,892 km (0.081 R)
• M8: 4,545,681 km (0.078 R)
• M9: 5,380,138 km (0.079 R)
• M10: 7,153,172 km (0.107 R)
• M11: 7,549,756 km (0.056 R)
• M12: 8,171,933 km (0.109 R)
• M13: 8,605,318 km (0.106 R)
• M14: 9,937,338 km (0.095 R)
• M15: 11,670,279 km (0.11 R)
• M16: 12,360,374 km (0.092 R)
• M17: 16,909,496 km (0.104 R)
• M18: 17,171,292 km (0.118 R)
• M19: 21,634,246 km (0.092 R)
• M20: 23,099,856 km (0.047 R)
• M21: 23,966,476 km (0.117 R)
• M22: 25,079,933 km (0.114 R)
• M23: 28,258,140 km (0.111 R)
• M24: 29,880,080 km (0.063 R)
• M25: 32,360,712 km (0.102 R)
• M26: 33,445,147 km (0.099 R)
• M27: 37,727,835 km (0.114 R)
• M28: 43,495,880 km (0.095 R)
• M29: 50,906,061 km (0.042 R)
• M30: 53,114,874 km (0.093 R)
• M31: 61,554,138 km (0.085 R)
• M32: 61,967,178 km (0.102 R)
• M33: 63,637,289 km (0.093 R)
• M34: 70,393,128 km (0.111 R)
• M35: 83,780,193 km (0.057 R)
• M36: 84,541,796 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.3

Radius: 4.9

Gravity: 35.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 15.88 AU - 16.04 AU

Year: 23769 Days

Day: 17.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,495,543 km

• M1: 63,130 km (0.091 R)
• M2: 414,835 km (0.112 R)
• M3: 639,830 km (0.089 R)
• M4: 1,021,305 km (0.106 R)
• M5: 1,356,853 km (0.069 R)
• M6: 2,004,312 km (0.113 R)
• M7: 2,432,162 km (0.05 R)
• M8: 3,142,154 km (0.101 R)
• M9: 3,406,942 km (0.089 R)
• M10: 5,078,100 km (0.085 R)
• M11: 5,360,541 km (0.056 R)
• M12: 5,568,631 km (0.092 R)
• M13: 6,691,064 km (0.059 R)
• M14: 9,077,449 km (0.112 R)
• M15: 9,984,461 km (0.094 R)
• M16: 10,686,973 km (0.056 R)
• M17: 11,836,632 km (0.052 R)
• M18: 12,477,510 km (0.101 R)
• M19: 16,552,256 km (0.094 R)
• M20: 24,482,140 km (0.102 R)
• M21: 25,755,069 km (0.096 R)
• M22: 35,776,929 km (0.117 R)
• M23: 41,317,885 km (0.071 R)
• M24: 42,293,712 km (0.046 R)
• M25: 47,404,124 km (0.119 R)
• M26: 54,642,567 km (0.111 R)
• M27: 58,015,849 km (0.114 R)
• M28: 60,063,545 km (0.095 R)
• M29: 60,895,908 km (0.095 R)
• M30: 84,807,930 km (0.062 R)
• M31: 85,330,476 km (0.113 R)
• M32: 89,049,030 km (0.101 R)
• M33: 89,859,551 km (0.12 R)
• M34: 91,495,554 km (0.09 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: 525 - 18,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit