🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 167 Days

Day: 32.3 Hours

Environment

Temp: 184 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.89 AU - 1.25 AU

Year: 419 Days

Day: 24.5 Hours

Environment

Temp: -10 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.01 AU - 1.19 AU

Year: 437 Days

Day: 38.7 Hours

Environment

Temp: -10 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2 AU - 3.12 AU

Year: 1551 Days

Day: 39.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,045,408 km

• M1: 26,329 km (0.108 R)
• M2: 462,856 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.53 AU - 2.79 AU

Year: 1643 Days

Day: 21.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 10.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.29 AU - 7.89 AU

Year: 6407 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 113,045,408 km

• M1: 128,056 km (0.057 R)
• M2: 464,801 km (0.115 R)
• M3: 838,346 km (0.119 R)
• M4: 1,691,204 km (0.089 R)
• M5: 2,345,695 km (0.065 R)
• M6: 2,679,447 km (0.064 R)
• M7: 3,280,532 km (0.066 R)
• M8: 3,810,707 km (0.111 R)
• M9: 4,546,878 km (0.077 R)
• M10: 4,882,725 km (0.088 R)
• M11: 5,930,658 km (0.087 R)
• M12: 6,918,752 km (0.119 R)
• M13: 7,902,508 km (0.048 R)
• M14: 9,633,205 km (0.115 R)
• M15: 10,632,220 km (0.072 R)
• M16: 11,273,247 km (0.095 R)
• M17: 11,794,895 km (0.12 R)
• M18: 12,135,080 km (0.08 R)
• M19: 13,828,528 km (0.078 R)
• M20: 15,673,967 km (0.081 R)
• M21: 16,026,420 km (0.069 R)
• M22: 17,489,337 km (0.114 R)
• M23: 19,440,842 km (0.106 R)
• M24: 23,771,550 km (0.073 R)
• M25: 25,833,308 km (0.09 R)
• M26: 28,270,557 km (0.065 R)
• M27: 29,768,331 km (0.067 R)
• M28: 30,491,337 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999

Radius: 5.3

Gravity: 35.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 16.56 AU - 17.4 AU

Year: 26501 Days

Day: 24.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 113,045,408 km

• M1: 65,973 km (0.092 R)
• M2: 264,190 km (0.11 R)
• M3: 500,106 km (0.08 R)
• M4: 672,592 km (0.075 R)
• M5: 962,064 km (0.067 R)
• M6: 1,282,802 km (0.075 R)
• M7: 1,730,698 km (0.1 R)
• M8: 1,980,077 km (0.101 R)
• M9: 2,682,589 km (0.098 R)
• M10: 3,046,561 km (0.112 R)
• M11: 3,539,037 km (0.107 R)
• M12: 3,736,805 km (0.043 R)
• M13: 4,263,839 km (0.108 R)
• M14: 6,048,840 km (0.098 R)
• M15: 6,332,179 km (0.105 R)
• M16: 7,131,330 km (0.088 R)
• M17: 8,394,834 km (0.087 R)
• M18: 11,860,718 km (0.054 R)
• M19: 13,865,479 km (0.041 R)
• M20: 14,192,649 km (0.109 R)
• M21: 17,185,504 km (0.039 R)
• M22: 18,828,837 km (0.1 R)
• M23: 21,539,999 km (0.038 R)
• M24: 22,874,861 km (0.115 R)
• M25: 26,954,694 km (0.033 R)
• M26: 30,246,445 km (0.093 R)
• M27: 31,635,013 km (0.098 R)
• M28: 32,775,846 km (0.093 R)
• M29: 45,372,436 km (0.08 R)
• M30: 46,822,189 km (0.089 R)
• M31: 52,139,196 km (0.087 R)
• M32: 52,930,120 km (0.087 R)
• M33: 55,556,161 km (0.096 R)
• M34: 58,479,752 km (0.04 R)
• M35: 61,504,173 km (0.081 R)
• M36: 68,569,231 km (0.082 R)
• M37: 73,156,052 km (0.083 R)
• M38: 75,147,050 km (0.045 R)
• M39: 95,010,206 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.5

Radius: 6

Gravity: 25.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 17.87 AU - 20.03 AU

Year: 31244 Days

Day: 24.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 113,045,408 km

• M1: 74,799 km (0.102 R)
• M2: 274,811 km (0.048 R)
• M3: 1,047,933 km (0.113 R)
• M4: 1,396,047 km (0.027 R)
• M5: 1,636,302 km (0.092 R)
• M6: 2,298,272 km (0.071 R)
• M7: 2,662,393 km (0.082 R)
• M8: 4,436,923 km (0.115 R)
• M9: 4,959,917 km (0.11 R)
• M10: 6,471,305 km (0.119 R)
• M11: 7,975,212 km (0.066 R)
• M12: 8,266,330 km (0.113 R)
• M13: 8,504,340 km (0.088 R)
• M14: 15,685,935 km (0.069 R)
• M15: 16,051,104 km (0.037 R)
• M16: 16,893,340 km (0.054 R)
• M17: 17,373,848 km (0.103 R)
• M18: 24,233,060 km (0.085 R)
• M19: 26,352,563 km (0.12 R)
• M20: 27,129,275 km (0.112 R)
• M21: 37,348,156 km (0.078 R)
• M22: 37,835,695 km (0.079 R)
• M23: 38,492,430 km (0.074 R)
• M24: 41,715,815 km (0.116 R)
• M25: 47,164,469 km (0.096 R)
• M26: 52,052,430 km (0.081 R)
• M27: 55,562,444 km (0.069 R)
• M28: 57,482,982 km (0.103 R)
• M29: 59,889,862 km (0.115 R)
• M30: 60,111,865 km (0.104 R)
• M31: 67,752,876 km (0.118 R)
• M32: 80,253,573 km (0.109 R)
• M33: 88,043,583 km (0.054 R)
• M34: 100,023,979 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 10,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit