🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.42 AU - 0.64 AU

Year: 135 Days

Day: 19.2 Hours

Environment

Temp: 269 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,526,360 km

• M1: 47,722 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 171 Days

Day: 31.1 Hours

Environment

Temp: 158 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.45 AU - 1.71 AU

Year: 695 Days

Day: 27.3 Hours

Environment

Temp: -18 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.93 AU - 2.59 AU

Year: 1189 Days

Day: 33.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 13.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.89 AU - 8.53 AU

Year: 6773 Days

Day: 9.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,526,360 km

• M1: 173,085 km (0.107 R)
• M2: 758,312 km (0.119 R)
• M3: 1,365,081 km (0.067 R)
• M4: 2,029,445 km (0.077 R)
• M5: 2,593,429 km (0.108 R)
• M6: 3,110,439 km (0.078 R)
• M7: 3,696,414 km (0.098 R)
• M8: 5,428,009 km (0.105 R)
• M9: 6,010,244 km (0.084 R)
• M10: 6,491,650 km (0.044 R)
• M11: 7,416,015 km (0.064 R)
• M12: 8,093,245 km (0.108 R)
• M13: 9,253,825 km (0.119 R)
• M14: 11,639,612 km (0.081 R)
• M15: 15,981,541 km (0.086 R)
• M16: 18,227,154 km (0.087 R)
• M17: 20,291,306 km (0.025 R)
• M18: 21,065,026 km (0.112 R)
• M19: 22,589,278 km (0.08 R)
• M20: 28,939,259 km (0.09 R)
• M21: 33,313,351 km (0.047 R)
• M22: 34,064,931 km (0.109 R)
• M23: 34,937,685 km (0.118 R)
• M24: 40,855,627 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 12.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.33 AU - 7.53 AU

Year: 7085 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,526,360 km

• M1: 160,369 km (0.104 R)
• M2: 622,926 km (0.104 R)
• M3: 1,057,358 km (0.088 R)
• M4: 1,609,523 km (0.118 R)
• M5: 2,291,540 km (0.046 R)
• M6: 3,122,556 km (0.104 R)
• M7: 4,961,264 km (0.101 R)
• M8: 6,382,144 km (0.066 R)
• M9: 7,336,130 km (0.107 R)
• M10: 7,882,611 km (0.072 R)
• M11: 8,904,514 km (0.104 R)
• M12: 9,646,819 km (0.116 R)
• M13: 12,407,049 km (0.117 R)
• M14: 13,433,889 km (0.111 R)
• M15: 14,097,505 km (0.058 R)
• M16: 15,490,112 km (0.109 R)
• M17: 16,106,305 km (0.053 R)
• M18: 21,847,722 km (0.08 R)
• M19: 22,765,954 km (0.105 R)
• M20: 25,987,245 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.47 AU - 8.53 AU

Year: 8670 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,526,360 km

• M1: 172,786 km (0.041 R)
• M2: 617,839 km (0.101 R)
• M3: 1,060,350 km (0.106 R)
• M4: 1,500,167 km (0.106 R)
• M5: 2,110,377 km (0.119 R)
• M6: 3,837,784 km (0.112 R)
• M7: 6,570,189 km (0.103 R)
• M8: 7,906,995 km (0.099 R)
• M9: 9,203,411 km (0.099 R)
• M10: 12,060,580 km (0.053 R)
• M11: 18,558,214 km (0.1 R)
• M12: 20,177,910 km (0.09 R)
• M13: 21,890,058 km (0.06 R)
• M14: 24,844,616 km (0.089 R)
• M15: 26,115,001 km (0.068 R)
• M16: 27,606,492 km (0.075 R)
• M17: 28,784,874 km (0.103 R)
• M18: 34,143,919 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 13.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.19 AU - 12.15 AU

Year: 12193 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,526,360 km

• M1: 179,069 km (0.106 R)
• M2: 672,442 km (0.095 R)
• M3: 1,816,118 km (0.11 R)
• M4: 2,603,901 km (0.113 R)
• M5: 3,433,570 km (0.088 R)
• M6: 3,978,855 km (0.119 R)
• M7: 6,302,708 km (0.085 R)
• M8: 8,329,909 km (0.115 R)
• M9: 11,142,947 km (0.049 R)
• M10: 12,824,876 km (0.119 R)
• M11: 16,042,277 km (0.091 R)
• M12: 21,607,168 km (0.108 R)
• M13: 23,472,205 km (0.029 R)
• M14: 24,210,022 km (0.114 R)
• M15: 33,727,588 km (0.118 R)
• M16: 36,354,227 km (0.083 R)
• M17: 36,969,673 km (0.095 R)
• M18: 37,467,086 km (0.119 R)
• M19: 38,602,384 km (0.118 R)
• M20: 45,473,863 km (0.094 R)
• M21: 46,332,405 km (0.105 R)
• M22: 48,229,456 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.6

Radius: 6.8

Gravity: 16.9 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 12.63 AU - 15.19 AU

Year: 18150 Days

Day: 18.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,526,360 km

• M1: 189,092 km (0.032 R)
• M2: 456,722 km (0.083 R)
• M3: 707,299 km (0.098 R)
• M4: 2,134,911 km (0.11 R)
• M5: 3,114,927 km (0.079 R)
• M6: 4,742,402 km (0.092 R)
• M7: 6,127,978 km (0.114 R)
• M8: 6,512,743 km (0.066 R)
• M9: 8,472,625 km (0.106 R)
• M10: 9,278,509 km (0.068 R)
• M11: 10,491,448 km (0.039 R)
• M12: 11,356,573 km (0.096 R)
• M13: 13,018,156 km (0.115 R)
• M14: 29,043,679 km (0.104 R)
• M15: 32,633,878 km (0.094 R)
• M16: 33,937,474 km (0.069 R)
• M17: 34,602,137 km (0.103 R)
• M18: 37,066,762 km (0.052 R)
• M19: 40,087,143 km (0.074 R)
• M20: 41,129,391 km (0.116 R)
• M21: 44,999,040 km (0.045 R)
• M22: 51,684,269 km (0.097 R)
• M23: 53,811,700 km (0.107 R)
• M24: 60,155,697 km (0.109 R)
• M25: 64,922,185 km (0.117 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 12,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit