🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.57 AU - 0.63 AU

Year: 172 Days

Day: 21.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.83 AU - 1.27 AU

Year: 399 Days

Day: 36.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.29 AU - 1.55 AU

Year: 628 Days

Day: 16.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 58.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.18 AU - 1.66 AU

Year: 628 Days

Day: 34.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.28 AU - 5.2 AU

Year: 3238 Days

Day: 34.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 12.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.36 AU - 8.88 AU

Year: 9386 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 98,999,398 km

• M1: 153,188 km (0.119 R)
• M2: 731,234 km (0.027 R)
• M3: 1,924,427 km (0.096 R)
• M4: 3,928,290 km (0.094 R)
• M5: 5,471,393 km (0.087 R)
• M6: 6,809,097 km (0.093 R)
• M7: 8,233,717 km (0.112 R)
• M8: 10,029,789 km (0.094 R)
• M9: 16,583,971 km (0.075 R)
• M10: 17,167,552 km (0.11 R)
• M11: 17,631,007 km (0.088 R)
• M12: 24,110,090 km (0.089 R)
• M13: 26,756,926 km (0.11 R)
• M14: 33,333,398 km (0.111 R)
• M15: 35,317,514 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 9.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.16 AU - 10.08 AU

Year: 11065 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 98,999,398 km

• M1: 123,269 km (0.056 R)
• M2: 711,487 km (0.118 R)
• M3: 1,148,612 km (0.06 R)
• M4: 1,761,814 km (0.119 R)
• M5: 2,350,183 km (0.12 R)
• M6: 3,944,896 km (0.11 R)
• M7: 4,472,827 km (0.11 R)
• M8: 6,796,231 km (0.088 R)
• M9: 7,597,777 km (0.068 R)
• M10: 8,283,384 km (0.097 R)
• M11: 9,976,682 km (0.117 R)
• M12: 11,335,180 km (0.107 R)
• M13: 12,287,670 km (0.05 R)
• M14: 12,636,383 km (0.051 R)
• M15: 14,160,785 km (0.104 R)
• M16: 15,600,515 km (0.053 R)
• M17: 16,147,594 km (0.03 R)
• M18: 16,707,389 km (0.072 R)
• M19: 17,425,160 km (0.059 R)
• M20: 19,466,124 km (0.06 R)
• M21: 20,180,454 km (0.115 R)
• M22: 22,171,003 km (0.103 R)
• M23: 23,747,316 km (0.084 R)
• M24: 24,471,519 km (0.064 R)
• M25: 32,541,875 km (0.088 R)
• M26: 36,810,351 km (0.075 R)
• M27: 39,391,962 km (0.074 R)
• M28: 39,897,004 km (0.088 R)
• M29: 41,829,509 km (0.11 R)
• M30: 43,823,649 km (0.077 R)
• M31: 44,912,722 km (0.105 R)
• M32: 45,325,761 km (0.12 R)
• M33: 46,159,321 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 10.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.88 AU - 10.24 AU

Year: 11833 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 98,999,398 km

• M1: 133,591 km (0.094 R)
• M2: 710,440 km (0.071 R)
• M3: 1,126,322 km (0.071 R)
• M4: 2,154,359 km (0.08 R)
• M5: 2,643,245 km (0.1 R)
• M6: 3,182,844 km (0.029 R)
• M7: 3,921,259 km (0.062 R)
• M8: 4,263,240 km (0.07 R)
• M9: 4,596,694 km (0.105 R)
• M10: 5,129,711 km (0.101 R)
• M11: 5,539,908 km (0.102 R)
• M12: 6,680,742 km (0.094 R)
• M13: 8,480,105 km (0.104 R)
• M14: 9,421,973 km (0.095 R)
• M15: 14,078,207 km (0.056 R)
• M16: 16,052,749 km (0.048 R)
• M17: 18,716,938 km (0.101 R)
• M18: 20,153,825 km (0.117 R)
• M19: 23,331,434 km (0.104 R)
• M20: 24,815,594 km (0.09 R)
• M21: 26,269,087 km (0.105 R)
• M22: 27,300,714 km (0.068 R)
• M23: 27,874,721 km (0.051 R)
• M24: 30,149,805 km (0.067 R)
• M25: 30,557,759 km (0.096 R)
• M26: 33,191,579 km (0.117 R)
• M27: 35,404,730 km (0.064 R)
• M28: 35,745,065 km (0.115 R)
• M29: 36,432,168 km (0.058 R)
• M30: 38,786,090 km (0.117 R)
• M31: 42,760,607 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 4.1

Gravity: 43.52 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 15.26 AU - 21.08 AU

Year: 28723 Days

Day: 22.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 98,999,398 km

• M1: 51,312 km (0.12 R)
• M2: 405,410 km (0.1 R)
• M3: 830,717 km (0.093 R)
• M4: 1,007,242 km (0.096 R)
• M5: 1,523,954 km (0.101 R)
• M6: 2,042,161 km (0.11 R)
• M7: 2,414,659 km (0.081 R)
• M8: 2,695,903 km (0.115 R)
• M9: 3,354,433 km (0.082 R)
• M10: 3,804,423 km (0.113 R)
• M11: 4,185,300 km (0.12 R)
• M12: 4,744,945 km (0.119 R)
• M13: 5,185,960 km (0.081 R)
• M14: 7,174,415 km (0.108 R)
• M15: 10,258,674 km (0.111 R)
• M16: 10,455,844 km (0.108 R)
• M17: 11,907,243 km (0.035 R)
• M18: 12,568,615 km (0.037 R)
• M19: 12,794,358 km (0.077 R)
• M20: 15,545,463 km (0.115 R)
• M21: 20,269,763 km (0.104 R)
• M22: 20,476,358 km (0.116 R)
• M23: 23,405,634 km (0.036 R)
• M24: 23,977,098 km (0.116 R)
• M25: 27,099,505 km (0.111 R)
• M26: 29,545,280 km (0.103 R)
• M27: 29,944,407 km (0.031 R)
• M28: 31,163,480 km (0.109 R)
• M29: 36,676,312 km (0.117 R)
• M30: 37,914,234 km (0.057 R)
• M31: 38,702,016 km (0.109 R)
• M32: 39,500,570 km (0.11 R)
• M33: 42,129,752 km (0.08 R)
• M34: 50,902,770 km (0.035 R)
• M35: 53,222,734 km (0.114 R)
• M36: 57,450,369 km (0.036 R)
• M37: 66,111,637 km (0.109 R)
• M38: 68,637,448 km (0.057 R)
• M39: 81,973,948 km (0.089 R)
• M40: 86,776,040 km (0.084 R)
• M41: 92,044,727 km (0.03 R)
• M42: 94,613,173 km (0.08 R)
• M43: 96,643,516 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 10,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit