🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.45 AU - 0.57 AU

Year: 138 Days

Day: 25.7 Hours

Environment

Temp: 213 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.54 AU - 0.64 AU

Year: 172 Days

Day: 28.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.8 AU - 2.34 AU

Year: 1128 Days

Day: 25.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.28 AU - 3.32 AU

Year: 1775 Days

Day: 40 Hours

Environment

Temp: -109 °C

Axial Tilt: 106.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 110,994,658 km

• M1: 164,857 km (0.09 R)
• M2: 325,974 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.51 AU - 4.85 AU

Year: 3237 Days

Day: 39.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 12.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.68 AU - 5.7 AU

Year: 3847 Days

Day: 9.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 110,994,658 km

• M1: 156,479 km (0.04 R)
• M2: 569,369 km (0.103 R)
• M3: 1,108,819 km (0.099 R)
• M4: 1,538,165 km (0.069 R)
• M5: 2,044,105 km (0.117 R)
• M6: 2,632,025 km (0.092 R)
• M7: 3,467,379 km (0.095 R)
• M8: 3,957,013 km (0.095 R)
• M9: 4,920,424 km (0.112 R)
• M10: 5,686,215 km (0.111 R)
• M11: 6,265,757 km (0.119 R)
• M12: 6,719,188 km (0.114 R)
• M13: 8,691,636 km (0.084 R)
• M14: 9,088,071 km (0.098 R)
• M15: 9,635,599 km (0.097 R)
• M16: 11,687,334 km (0.073 R)
• M17: 12,089,602 km (0.08 R)
• M18: 13,222,058 km (0.109 R)
• M19: 13,970,646 km (0.108 R)
• M20: 14,515,930 km (0.111 R)
• M21: 15,941,448 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.2

Radius: 5.3

Gravity: 19.73 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.34 AU - 15.12 AU

Year: 17202 Days

Day: 19.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 110,994,658 km

• M1: 67,469 km (0.115 R)
• M2: 257,159 km (0.09 R)
• M3: 471,532 km (0.12 R)
• M4: 845,378 km (0.103 R)
• M5: 1,312,871 km (0.077 R)
• M6: 1,628,223 km (0.05 R)
• M7: 3,258,242 km (0.087 R)
• M8: 3,553,249 km (0.113 R)
• M9: 5,018,111 km (0.03 R)
• M10: 5,635,053 km (0.075 R)
• M11: 6,506,610 km (0.096 R)
• M12: 7,283,920 km (0.101 R)
• M13: 7,882,461 km (0.073 R)
• M14: 8,073,199 km (0.084 R)
• M15: 8,513,316 km (0.119 R)
• M16: 10,781,818 km (0.084 R)
• M17: 13,971,693 km (0.098 R)
• M18: 14,534,480 km (0.094 R)
• M19: 16,313,349 km (0.069 R)
• M20: 17,095,596 km (0.084 R)
• M21: 19,505,169 km (0.119 R)
• M22: 20,927,097 km (0.092 R)
• M23: 22,132,107 km (0.039 R)
• M24: 24,781,336 km (0.076 R)
• M25: 25,088,161 km (0.082 R)
• M26: 27,198,538 km (0.074 R)
• M27: 27,415,904 km (0.115 R)
• M28: 29,083,172 km (0.118 R)
• M29: 30,934,745 km (0.085 R)
• M30: 37,762,841 km (0.113 R)
• M31: 39,128,520 km (0.097 R)
• M32: 40,952,716 km (0.054 R)
• M33: 41,813,353 km (0.087 R)
• M34: 43,274,625 km (0.066 R)
• M35: 44,167,575 km (0.077 R)
• M36: 45,072,791 km (0.06 R)
• M37: 54,814,305 km (0.104 R)
• M38: 61,845,405 km (0.116 R)
• M39: 62,221,345 km (0.052 R)
• M40: 63,358,289 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.4

Radius: 5.8

Gravity: 27.66 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 13.91 AU - 23.18 AU

Year: 30235 Days

Day: 22.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 110,994,658 km

• M1: 73,602 km (0.114 R)
• M2: 763,099 km (0.062 R)
• M3: 1,084,734 km (0.075 R)
• M4: 1,764,058 km (0.117 R)
• M5: 2,429,619 km (0.119 R)
• M6: 2,721,784 km (0.053 R)
• M7: 6,303,905 km (0.107 R)
• M8: 9,265,643 km (0.112 R)
• M9: 10,315,372 km (0.117 R)
• M10: 13,937,435 km (0.104 R)
• M11: 14,528,048 km (0.083 R)
• M12: 20,506,278 km (0.116 R)
• M13: 22,622,340 km (0.055 R)
• M14: 30,816,264 km (0.098 R)
• M15: 32,398,710 km (0.03 R)
• M16: 33,284,329 km (0.098 R)
• M17: 36,353,031 km (0.097 R)
• M18: 38,939,727 km (0.073 R)
• M19: 47,809,684 km (0.104 R)
• M20: 54,969,139 km (0.055 R)
• M21: 65,581,762 km (0.113 R)
• M22: 66,523,331 km (0.072 R)
• M23: 83,660,066 km (0.044 R)
• M24: 91,615,830 km (0.028 R)
• M25: 93,087,574 km (0.095 R)
• M26: 109,010,024 km (0.051 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: 277 - 16,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit