🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.8 AU

Year: 189 Days

Day: 29.3 Hours

Environment

Temp: 217 °C

Axial Tilt: 37.6 °

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: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.76 AU - 0.88 AU

Year: 267 Days

Day: 39 Hours

Environment

Temp: 102 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.07 AU - 1.31 AU

Year: 467 Days

Day: 17.1 Hours

Environment

Temp: 28 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.22 AU - 1.42 AU

Year: 546 Days

Day: 37.9 Hours

Environment

Temp: -15 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.53 AU - 1.67 AU

Year: 728 Days

Day: 44.6 Hours

Environment

Temp: -33 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.02 AU - 4.02 AU

Year: 2901 Days

Day: 16.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 11.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.85 AU - 8.07 AU

Year: 5909 Days

Day: 12.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,323,101 km

• M1: 142,118 km (0.032 R)
• M2: 570,566 km (0.062 R)
• M3: 948,301 km (0.11 R)
• M4: 1,425,967 km (0.106 R)
• M5: 2,915,662 km (0.115 R)
• M6: 3,492,512 km (0.069 R)
• M7: 3,968,532 km (0.115 R)
• M8: 4,751,677 km (0.047 R)
• M9: 5,180,425 km (0.107 R)
• M10: 7,096,325 km (0.059 R)
• M11: 7,760,240 km (0.025 R)
• M12: 8,538,149 km (0.111 R)
• M13: 9,602,239 km (0.027 R)
• M14: 12,085,114 km (0.12 R)
• M15: 13,724,857 km (0.113 R)
• M16: 17,030,521 km (0.04 R)
• M17: 17,918,085 km (0.11 R)
• M18: 18,526,799 km (0.058 R)
• M19: 18,898,699 km (0.07 R)
• M20: 19,338,816 km (0.094 R)
• M21: 20,501,939 km (0.058 R)
• M22: 23,977,397 km (0.088 R)
• M23: 25,319,140 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 10.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.02 AU - 10.76 AU

Year: 9539 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,323,101 km

• M1: 128,056 km (0.073 R)
• M2: 518,955 km (0.076 R)
• M3: 1,202,767 km (0.108 R)
• M4: 1,726,359 km (0.048 R)
• M5: 3,431,177 km (0.106 R)
• M6: 4,909,503 km (0.073 R)
• M7: 5,600,196 km (0.069 R)
• M8: 6,354,319 km (0.059 R)
• M9: 11,787,863 km (0.112 R)
• M10: 18,631,667 km (0.117 R)
• M11: 20,607,406 km (0.098 R)
• M12: 21,295,855 km (0.03 R)
• M13: 22,158,137 km (0.032 R)
• M14: 22,718,980 km (0.037 R)
• M15: 31,194,597 km (0.077 R)
• M16: 32,306,408 km (0.109 R)
• M17: 34,716,131 km (0.119 R)
• M18: 35,039,112 km (0.051 R)
• M19: 36,240,234 km (0.108 R)
• M20: 36,572,640 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.3

Radius: 4

Gravity: 51.21 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 16.71 AU - 21.27 AU

Year: 29782 Days

Day: 20.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 105,323,101 km

• M1: 49,966 km (0.106 R)
• M2: 189,840 km (0.117 R)
• M3: 314,604 km (0.068 R)
• M4: 705,504 km (0.087 R)
• M5: 1,433,447 km (0.067 R)
• M6: 2,239,031 km (0.088 R)
• M7: 2,670,771 km (0.105 R)
• M8: 3,663,652 km (0.096 R)
• M9: 7,961,150 km (0.104 R)
• M10: 8,361,474 km (0.026 R)
• M11: 12,059,832 km (0.043 R)
• M12: 14,597,311 km (0.074 R)
• M13: 19,443,235 km (0.092 R)
• M14: 22,902,686 km (0.112 R)
• M15: 23,131,571 km (0.118 R)
• M16: 25,751,179 km (0.09 R)
• M17: 31,854,024 km (0.113 R)
• M18: 32,714,810 km (0.095 R)
• M19: 35,849,933 km (0.093 R)
• M20: 37,887,606 km (0.076 R)
• M21: 39,506,703 km (0.111 R)
• M22: 39,835,968 km (0.065 R)
• M23: 42,020,995 km (0.068 R)
• M24: 46,080,034 km (0.063 R)
• M25: 47,550,880 km (0.097 R)
• M26: 48,297,972 km (0.034 R)
• M27: 48,486,016 km (0.047 R)
• M28: 49,815,493 km (0.113 R)
• M29: 50,199,809 km (0.049 R)
• M30: 56,411,711 km (0.051 R)
• M31: 68,420,830 km (0.075 R)
• M32: 73,268,100 km (0.101 R)
• M33: 75,522,091 km (0.053 R)
• M34: 76,283,545 km (0.078 R)
• M35: 77,563,953 km (0.086 R)
• M36: 79,904,860 km (0.062 R)
• M37: 80,167,853 km (0.118 R)
• M38: 91,453,367 km (0.105 R)
• M39: 93,480,269 km (0.081 R)
• M40: 100,963,304 km (0.102 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit