🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.66 AU - 0.66 AU

Year: 189 Days

Day: 32.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,134,881 km

• M1: 25,432 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.59 AU - 0.81 AU

Year: 207 Days

Day: 26.5 Hours

Environment

Temp: 218 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,134,881 km

• M1: 162,613 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.93 AU - 3.15 AU

Year: 1872 Days

Day: 46.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.51 AU - 4.03 AU

Year: 2088 Days

Day: 24.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,134,881 km

• M1: 65,973 km (0.118 R)
• M2: 107,262 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.97 AU - 3.85 AU

Year: 2223 Days

Day: 40 Hours

Environment

Temp: -111 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.8

Radius: 9.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.33 AU - 8.63 AU

Year: 7960 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,134,881 km

• M1: 120,875 km (0.103 R)
• M2: 487,091 km (0.072 R)
• M3: 797,357 km (0.1 R)
• M4: 1,170,304 km (0.106 R)
• M5: 2,192,506 km (0.103 R)
• M6: 2,906,836 km (0.098 R)
• M7: 6,021,314 km (0.074 R)
• M8: 6,949,868 km (0.066 R)
• M9: 8,857,391 km (0.094 R)
• M10: 13,420,874 km (0.107 R)
• M11: 13,881,785 km (0.048 R)
• M12: 14,194,893 km (0.094 R)
• M13: 19,154,212 km (0.082 R)
• M14: 20,875,485 km (0.088 R)
• M15: 22,914,355 km (0.111 R)
• M16: 23,278,925 km (0.119 R)
• M17: 26,735,683 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.7

Radius: 9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.22 AU - 11.84 AU

Year: 12935 Days

Day: 9 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,134,881 km

• M1: 112,498 km (0.115 R)
• M2: 700,417 km (0.055 R)
• M3: 1,069,625 km (0.096 R)
• M4: 1,936,544 km (0.111 R)
• M5: 2,829,494 km (0.052 R)
• M6: 3,356,228 km (0.114 R)
• M7: 4,084,471 km (0.109 R)
• M8: 5,170,850 km (0.109 R)
• M9: 6,553,434 km (0.111 R)
• M10: 7,773,554 km (0.049 R)
• M11: 10,603,946 km (0.095 R)
• M12: 11,476,251 km (0.085 R)
• M13: 12,934,082 km (0.098 R)
• M14: 14,577,116 km (0.096 R)
• M15: 27,550,393 km (0.118 R)
• M16: 28,467,278 km (0.043 R)
• M17: 28,985,335 km (0.074 R)
• M18: 34,634,301 km (0.101 R)
• M19: 35,582,153 km (0.104 R)
• M20: 39,933,656 km (0.067 R)
• M21: 43,114,406 km (0.075 R)
• M22: 45,608,052 km (0.106 R)
• M23: 48,196,245 km (0.116 R)

Asteroid Belt

Center: 12.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.2

Radius: 4.5

Gravity: 44.55 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 13.39 AU - 13.89 AU

Year: 17788 Days

Day: 17.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,134,881 km

• M1: 56,249 km (0.116 R)
• M2: 262,993 km (0.103 R)
• M3: 490,681 km (0.077 R)
• M4: 681,867 km (0.075 R)
• M5: 854,503 km (0.119 R)
• M6: 1,189,453 km (0.036 R)
• M7: 1,573,171 km (0.071 R)
• M8: 3,389,140 km (0.059 R)
• M9: 3,897,324 km (0.088 R)
• M10: 6,270,245 km (0.044 R)
• M11: 7,079,719 km (0.091 R)
• M12: 7,268,811 km (0.093 R)
• M13: 8,958,668 km (0.119 R)
• M14: 9,575,610 km (0.116 R)
• M15: 10,160,687 km (0.115 R)
• M16: 11,661,603 km (0.119 R)
• M17: 13,737,872 km (0.03 R)
• M18: 14,481,223 km (0.101 R)
• M19: 15,172,964 km (0.109 R)
• M20: 16,129,044 km (0.117 R)
• M21: 20,072,893 km (0.065 R)
• M22: 20,356,530 km (0.091 R)
• M23: 20,835,393 km (0.097 R)
• M24: 23,551,193 km (0.086 R)
• M25: 23,866,844 km (0.045 R)
• M26: 32,443,739 km (0.078 R)
• M27: 44,608,290 km (0.084 R)
• M28: 50,289,419 km (0.107 R)
• M29: 62,656,824 km (0.057 R)
• M30: 63,872,307 km (0.11 R)
• M31: 66,559,833 km (0.058 R)
• M32: 69,106,437 km (0.114 R)
• M33: 70,403,750 km (0.08 R)
• M34: 73,270,344 km (0.095 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit