🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.99 AU - 1.13 AU

Year: 384 Days

Day: 32.9 Hours

Environment

Temp: 138 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.85 AU - 1.85 AU

Year: 884 Days

Day: 39.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.21 AU - 4.23 AU

Year: 2522 Days

Day: 41.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.56 AU - 3.92 AU

Year: 2542 Days

Day: 21.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.58 AU - 5.4 AU

Year: 3344 Days

Day: 29.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,554,369 km

• M1: 54,304 km (0.073 R)

Asteroid Belt

Center: 7.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 12.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.22 AU - 13.44 AU

Year: 12526 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,554,369 km

• M1: 157,826 km (0.091 R)
• M2: 685,009 km (0.11 R)
• M3: 1,982,172 km (0.111 R)
• M4: 2,547,203 km (0.088 R)
• M5: 3,266,918 km (0.104 R)
• M6: 4,504,242 km (0.105 R)
• M7: 6,813,285 km (0.088 R)
• M8: 7,442,195 km (0.112 R)
• M9: 11,072,337 km (0.103 R)
• M10: 11,706,333 km (0.06 R)
• M11: 17,683,366 km (0.069 R)
• M12: 19,861,810 km (0.098 R)
• M13: 21,321,885 km (0.084 R)
• M14: 25,730,235 km (0.09 R)
• M15: 26,232,286 km (0.12 R)
• M16: 27,256,134 km (0.054 R)
• M17: 30,042,693 km (0.082 R)
• M18: 32,079,618 km (0.076 R)
• M19: 38,218,965 km (0.087 R)
• M20: 41,152,429 km (0.117 R)
• M21: 44,089,634 km (0.1 R)
• M22: 48,067,890 km (0.111 R)
• M23: 49,755,055 km (0.1 R)
• M24: 52,761,823 km (0.081 R)
• M25: 56,055,669 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 12.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.02 AU - 13.12 AU

Year: 14738 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,554,369 km

• M1: 223,649 km (0.083 R)
• M2: 603,627 km (0.107 R)
• M3: 1,083,687 km (0.047 R)
• M4: 2,821,266 km (0.076 R)
• M5: 3,580,326 km (0.073 R)
• M6: 4,503,046 km (0.113 R)
• M7: 5,038,157 km (0.096 R)
• M8: 5,653,004 km (0.112 R)
• M9: 6,903,044 km (0.091 R)
• M10: 7,570,400 km (0.039 R)
• M11: 8,134,833 km (0.094 R)
• M12: 9,615,702 km (0.119 R)
• M13: 12,514,909 km (0.119 R)
• M14: 15,205,277 km (0.099 R)
• M15: 16,029,113 km (0.065 R)
• M16: 17,683,964 km (0.104 R)
• M17: 24,527,319 km (0.067 R)
• M18: 36,405,689 km (0.1 R)
• M19: 37,743,393 km (0.082 R)
• M20: 40,233,450 km (0.064 R)
• M21: 43,870,922 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 5.3

Gravity: 33.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 12.59 AU - 15.33 AU

Year: 18332 Days

Day: 20.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,554,369 km

• M1: 67,319 km (0.07 R)
• M2: 391,498 km (0.098 R)
• M3: 750,682 km (0.107 R)
• M4: 1,058,555 km (0.1 R)
• M5: 2,277,179 km (0.102 R)
• M6: 3,592,144 km (0.043 R)
• M7: 3,868,003 km (0.091 R)
• M8: 6,699,441 km (0.119 R)
• M9: 16,308,262 km (0.073 R)
• M10: 16,725,491 km (0.107 R)
• M11: 18,286,395 km (0.087 R)
• M12: 22,711,350 km (0.094 R)
• M13: 27,682,488 km (0.045 R)
• M14: 28,999,248 km (0.11 R)
• M15: 31,243,067 km (0.04 R)
• M16: 34,959,377 km (0.091 R)
• M17: 36,354,975 km (0.119 R)
• M18: 39,405,874 km (0.033 R)
• M19: 45,845,763 km (0.114 R)
• M20: 48,195,796 km (0.12 R)
• M21: 49,400,508 km (0.09 R)
• M22: 53,866,603 km (0.057 R)
• M23: 59,966,157 km (0.093 R)
• M24: 60,163,776 km (0.094 R)
• M25: 73,967,470 km (0.104 R)
• M26: 76,030,724 km (0.082 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit