🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.1 AU - 1.54 AU

Year: 546 Days

Day: 20.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.49 AU - 1.51 AU

Year: 661 Days

Day: 21.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 123.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.43 AU - 2.37 AU

Year: 943 Days

Day: 23.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 114.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.18 AU - 2.64 AU

Year: 1346 Days

Day: 36.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,693,706 km

• M1: 332,706 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.05 AU - 3.11 AU

Year: 1945 Days

Day: 14.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.88 AU - 4.84 AU

Year: 3276 Days

Day: 31.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.61 AU - 5.43 AU

Year: 4048 Days

Day: 45 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 9.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.54 AU - 5.74 AU

Year: 4194 Days

Day: 14.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,693,706 km

• M1: 113,246 km (0.083 R)
• M2: 444,156 km (0.087 R)
• M3: 766,539 km (0.099 R)
• M4: 1,299,706 km (0.116 R)
• M5: 1,586,934 km (0.076 R)
• M6: 3,056,135 km (0.094 R)
• M7: 3,762,985 km (0.038 R)
• M8: 4,279,397 km (0.096 R)
• M9: 8,333,349 km (0.118 R)
• M10: 10,393,462 km (0.041 R)
• M11: 11,560,325 km (0.079 R)
• M12: 12,451,330 km (0.103 R)
• M13: 13,851,566 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 14.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.02 AU - 6.26 AU

Year: 5476 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,693,706 km

• M1: 180,265 km (0.087 R)
• M2: 712,684 km (0.034 R)
• M3: 1,515,875 km (0.063 R)
• M4: 2,342,254 km (0.116 R)
• M5: 2,877,665 km (0.069 R)
• M6: 3,814,297 km (0.1 R)
• M7: 4,294,656 km (0.064 R)
• M8: 5,240,713 km (0.079 R)
• M9: 6,106,585 km (0.069 R)
• M10: 9,083,284 km (0.115 R)
• M11: 11,228,966 km (0.12 R)
• M12: 13,589,171 km (0.071 R)
• M13: 14,119,795 km (0.107 R)
• M14: 15,279,328 km (0.086 R)
• M15: 17,413,641 km (0.036 R)
• M16: 18,681,782 km (0.114 R)
• M17: 20,283,975 km (0.027 R)
• M18: 22,048,632 km (0.041 R)
• M19: 24,454,016 km (0.077 R)
• M20: 26,698,283 km (0.077 R)
• M21: 28,211,615 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.8

Radius: 3.8

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 17.82 AU - 22.04 AU

Year: 32021 Days

Day: 21.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,693,706 km

• M1: 56,099 km (0.1 R)
• M2: 314,604 km (0.086 R)
• M3: 535,411 km (0.099 R)
• M4: 2,425,131 km (0.118 R)
• M5: 3,859,027 km (0.109 R)
• M6: 5,116,995 km (0.042 R)
• M7: 5,344,085 km (0.096 R)
• M8: 5,538,263 km (0.106 R)
• M9: 11,932,525 km (0.097 R)
• M10: 14,762,916 km (0.058 R)
• M11: 15,692,069 km (0.106 R)
• M12: 17,580,592 km (0.096 R)
• M13: 17,923,770 km (0.09 R)
• M14: 21,999,264 km (0.103 R)
• M15: 23,106,738 km (0.094 R)
• M16: 25,106,263 km (0.031 R)
• M17: 28,375,874 km (0.094 R)
• M18: 33,729,084 km (0.049 R)
• M19: 35,199,033 km (0.056 R)
• M20: 35,470,852 km (0.099 R)
• M21: 40,754,798 km (0.106 R)
• M22: 42,114,942 km (0.099 R)
• M23: 47,361,190 km (0.06 R)
• M24: 49,883,260 km (0.102 R)
• M25: 50,226,139 km (0.081 R)
• M26: 54,283,383 km (0.12 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit