🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.53 AU - 0.73 AU

Year: 228 Days

Day: 33.3 Hours

Environment

Temp: -22 °C

Axial Tilt: 45.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,885,756 km

• M1: 69,563 km (0.074 R)
• M2: 263,442 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.52 AU - 0.78 AU

Year: 239 Days

Day: 38.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 9.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.12 AU - 4.22 AU

Year: 3888 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,885,756 km

• M1: 115,639 km (0.102 R)
• M2: 408,103 km (0.079 R)
• M3: 843,134 km (0.111 R)
• M4: 1,307,785 km (0.104 R)
• M5: 1,715,289 km (0.099 R)
• M6: 2,015,233 km (0.106 R)
• M7: 2,578,918 km (0.055 R)
• M8: 2,941,393 km (0.119 R)
• M9: 3,708,232 km (0.119 R)
• M10: 4,963,807 km (0.053 R)
• M11: 5,607,676 km (0.089 R)
• M12: 8,218,907 km (0.105 R)
• M13: 8,751,924 km (0.074 R)
• M14: 10,085,140 km (0.11 R)
• M15: 11,725,032 km (0.052 R)
• M16: 12,172,629 km (0.033 R)
• M17: 13,389,907 km (0.051 R)
• M18: 14,686,472 km (0.097 R)
• M19: 14,997,187 km (0.065 R)
• M20: 17,239,659 km (0.112 R)
• M21: 17,936,186 km (0.067 R)
• M22: 19,634,122 km (0.119 R)
• M23: 20,651,238 km (0.112 R)
• M24: 23,276,980 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 14.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.57 AU - 4.65 AU

Year: 4519 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,885,756 km

• M1: 184,454 km (0.042 R)
• M2: 650,601 km (0.067 R)
• M3: 1,145,920 km (0.06 R)
• M4: 1,871,469 km (0.104 R)
• M5: 2,389,826 km (0.098 R)
• M6: 3,538,738 km (0.043 R)
• M7: 4,622,724 km (0.093 R)
• M8: 6,455,447 km (0.073 R)
• M9: 9,869,121 km (0.08 R)
• M10: 12,090,201 km (0.081 R)
• M11: 12,870,204 km (0.101 R)
• M12: 14,530,890 km (0.065 R)
• M13: 17,996,025 km (0.106 R)
• M14: 20,069,153 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.33 AU - 5.11 AU

Year: 4682 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,885,756 km

• M1: 180,265 km (0.066 R)
• M2: 670,348 km (0.09 R)
• M3: 1,409,062 km (0.115 R)
• M4: 2,648,929 km (0.11 R)
• M5: 3,348,449 km (0.078 R)
• M6: 10,233,542 km (0.078 R)
• M7: 11,713,962 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.5

Radius: 7.9

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 12.47 AU - 14.63 AU

Year: 22772 Days

Day: 20.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,885,756 km

• M1: 98,735 km (0.111 R)
• M2: 467,194 km (0.095 R)
• M3: 889,060 km (0.097 R)
• M4: 1,674,599 km (0.109 R)
• M5: 1,945,371 km (0.091 R)
• M6: 2,268,053 km (0.103 R)
• M7: 3,049,852 km (0.084 R)
• M8: 4,672,540 km (0.052 R)
• M9: 5,459,724 km (0.076 R)
• M10: 5,712,245 km (0.109 R)
• M11: 6,286,551 km (0.064 R)
• M12: 7,395,969 km (0.043 R)
• M13: 7,863,911 km (0.057 R)
• M14: 9,326,978 km (0.1 R)
• M15: 10,122,839 km (0.112 R)
• M16: 11,640,659 km (0.083 R)
• M17: 12,490,076 km (0.081 R)
• M18: 15,120,904 km (0.077 R)
• M19: 18,193,046 km (0.1 R)
• M20: 20,123,307 km (0.107 R)
• M21: 20,626,405 km (0.119 R)
• M22: 27,952,512 km (0.114 R)
• M23: 29,214,519 km (0.06 R)
• M24: 29,989,885 km (0.093 R)
• M25: 31,851,930 km (0.117 R)
• M26: 38,821,096 km (0.072 R)
• M27: 39,600,800 km (0.107 R)
• M28: 42,002,295 km (0.117 R)
• M29: 53,920,309 km (0.085 R)
• M30: 54,695,525 km (0.077 R)
• M31: 55,281,948 km (0.056 R)
• M32: 59,917,538 km (0.082 R)
• M33: 64,370,318 km (0.105 R)
• M34: 66,566,265 km (0.114 R)
• M35: 76,092,359 km (0.075 R)
• M36: 81,052,426 km (0.084 R)
• M37: 82,581,465 km (0.092 R)
• M38: 84,649,955 km (0.069 R)
• M39: 91,062,169 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit