🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.99 AU - 1.27 AU

Year: 428 Days

Day: 22.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,837,355 km

• M1: 604,226 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.3 AU - 4.56 AU

Year: 2777 Days

Day: 21.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.19 AU - 4.79 AU

Year: 3391 Days

Day: 36.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.04 AU - 5.08 AU

Year: 3471 Days

Day: 42.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,837,355 km

• M1: 34,557 km (0.098 R)
• M2: 1,179,729 km (0.12 R)

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.11 AU - 6.53 AU

Year: 5005 Days

Day: 12.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,837,355 km

• M1: 178,321 km (0.106 R)
• M2: 777,460 km (0.075 R)
• M3: 1,273,227 km (0.087 R)
• M4: 2,318,917 km (0.044 R)
• M5: 2,995,697 km (0.029 R)
• M6: 3,442,097 km (0.119 R)
• M7: 5,671,405 km (0.094 R)
• M8: 10,791,691 km (0.097 R)
• M9: 13,861,589 km (0.072 R)
• M10: 15,257,786 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 12.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.93 AU - 7.15 AU

Year: 6658 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,837,355 km

• M1: 180,864 km (0.049 R)
• M2: 593,305 km (0.111 R)
• M3: 1,149,211 km (0.103 R)
• M4: 1,957,339 km (0.077 R)
• M5: 3,508,668 km (0.114 R)
• M6: 4,158,970 km (0.101 R)
• M7: 4,945,855 km (0.089 R)
• M8: 5,701,624 km (0.036 R)
• M9: 6,709,016 km (0.116 R)
• M10: 8,902,270 km (0.052 R)
• M11: 10,688,469 km (0.087 R)
• M12: 12,163,803 km (0.097 R)
• M13: 13,713,188 km (0.066 R)
• M14: 14,595,516 km (0.044 R)
• M15: 16,735,514 km (0.072 R)
• M16: 24,571,899 km (0.108 R)
• M17: 30,052,866 km (0.077 R)
• M18: 31,039,314 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 13.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.72 AU - 7.88 AU

Year: 7030 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,837,355 km

• M1: 169,644 km (0.119 R)
• M2: 602,131 km (0.075 R)
• M3: 2,550,195 km (0.066 R)
• M4: 3,133,028 km (0.081 R)
• M5: 4,597,292 km (0.056 R)
• M6: 5,340,494 km (0.061 R)
• M7: 6,231,798 km (0.057 R)
• M8: 6,731,904 km (0.058 R)
• M9: 7,453,415 km (0.099 R)
• M10: 7,935,269 km (0.07 R)
• M11: 9,006,540 km (0.119 R)
• M12: 9,694,241 km (0.114 R)
• M13: 12,632,194 km (0.034 R)
• M14: 14,767,853 km (0.118 R)
• M15: 17,412,295 km (0.112 R)
• M16: 18,335,762 km (0.079 R)
• M17: 19,366,641 km (0.12 R)
• M18: 24,052,794 km (0.095 R)
• M19: 24,842,073 km (0.053 R)
• M20: 26,195,784 km (0.093 R)
• M21: 27,598,114 km (0.095 R)
• M22: 30,348,920 km (0.117 R)
• M23: 33,928,947 km (0.09 R)
• M24: 36,734,655 km (0.119 R)
• M25: 38,016,858 km (0.051 R)
• M26: 40,179,146 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 12.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.07 AU - 11.65 AU

Year: 12757 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,837,355 km

• M1: 155,881 km (0.108 R)
• M2: 568,921 km (0.104 R)
• M3: 1,128,118 km (0.057 R)
• M4: 1,786,199 km (0.064 R)
• M5: 2,946,779 km (0.067 R)
• M6: 3,563,272 km (0.115 R)
• M7: 4,067,117 km (0.069 R)
• M8: 5,385,374 km (0.071 R)
• M9: 6,890,777 km (0.11 R)
• M10: 8,848,116 km (0.092 R)
• M11: 14,217,931 km (0.091 R)
• M12: 15,422,643 km (0.117 R)
• M13: 20,343,366 km (0.119 R)
• M14: 21,183,208 km (0.092 R)
• M15: 22,486,206 km (0.117 R)
• M16: 23,842,011 km (0.099 R)
• M17: 34,659,732 km (0.097 R)
• M18: 36,959,201 km (0.119 R)
• M19: 39,229,947 km (0.095 R)
• M20: 42,808,179 km (0.067 R)
• M21: 51,065,981 km (0.112 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 17,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit