🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.04 AU - 1.62 AU

Year: 643 Days

Day: 40.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.47 AU - 1.49 AU

Year: 754 Days

Day: 21.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.28 AU - 1.68 AU

Year: 754 Days

Day: 43.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,133,381 km

• M1: 90,058 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.42 AU - 2.1 AU

Year: 978 Days

Day: 45.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 132.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.52 AU - 3.8 AU

Year: 2353 Days

Day: 13.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,133,381 km

• M1: 181,612 km (0.082 R)
• M2: 645,216 km (0.079 R)
• M3: 1,247,197 km (0.062 R)
• M4: 1,735,634 km (0.099 R)
• M5: 2,275,683 km (0.06 R)
• M6: 3,233,408 km (0.045 R)
• M7: 4,122,169 km (0.063 R)
• M8: 4,699,916 km (0.051 R)
• M9: 5,308,181 km (0.105 R)
• M10: 6,738,786 km (0.096 R)
• M11: 7,366,498 km (0.083 R)
• M12: 8,445,548 km (0.055 R)
• M13: 8,972,880 km (0.096 R)
• M14: 9,522,204 km (0.089 R)
• M15: 12,571,607 km (0.109 R)
• M16: 13,614,453 km (0.104 R)
• M17: 14,527,000 km (0.087 R)
• M18: 16,121,265 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 8.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.14 AU - 4.62 AU

Year: 3202 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,133,381 km

• M1: 108,309 km (0.086 R)
• M2: 474,824 km (0.034 R)
• M3: 896,690 km (0.108 R)
• M4: 1,259,764 km (0.11 R)
• M5: 1,700,180 km (0.086 R)
• M6: 2,538,526 km (0.066 R)
• M7: 4,077,888 km (0.076 R)
• M8: 4,410,145 km (0.053 R)
• M9: 5,256,420 km (0.096 R)
• M10: 5,695,789 km (0.102 R)
• M11: 6,183,179 km (0.067 R)
• M12: 6,723,377 km (0.087 R)
• M13: 7,702,346 km (0.083 R)
• M14: 8,357,135 km (0.06 R)
• M15: 9,842,642 km (0.096 R)
• M16: 12,658,373 km (0.088 R)
• M17: 13,367,916 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 14.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.63 AU - 8.91 AU

Year: 8213 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,133,381 km

• M1: 185,651 km (0.111 R)
• M2: 2,131,470 km (0.099 R)
• M3: 3,998,302 km (0.039 R)
• M4: 5,037,858 km (0.062 R)
• M5: 7,246,670 km (0.072 R)
• M6: 7,878,123 km (0.082 R)
• M7: 13,766,744 km (0.035 R)
• M8: 14,505,309 km (0.115 R)
• M9: 17,463,756 km (0.114 R)
• M10: 18,670,413 km (0.044 R)
• M11: 20,292,203 km (0.083 R)
• M12: 22,702,674 km (0.116 R)
• M13: 23,653,967 km (0.072 R)
• M14: 25,130,647 km (0.053 R)
• M15: 26,062,791 km (0.117 R)
• M16: 27,637,758 km (0.105 R)
• M17: 31,169,913 km (0.119 R)
• M18: 34,163,217 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.37 AU - 8.75 AU

Year: 8709 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,133,381 km

• M1: 147,952 km (0.05 R)
• M2: 573,857 km (0.101 R)
• M3: 1,223,711 km (0.099 R)
• M4: 2,085,993 km (0.112 R)
• M5: 2,833,982 km (0.094 R)
• M6: 3,829,705 km (0.076 R)
• M7: 5,329,574 km (0.073 R)
• M8: 5,793,327 km (0.12 R)
• M9: 7,229,317 km (0.12 R)
• M10: 12,544,978 km (0.067 R)
• M11: 13,011,275 km (0.034 R)
• M12: 13,732,486 km (0.105 R)
• M13: 14,799,418 km (0.064 R)
• M14: 15,718,996 km (0.111 R)
• M15: 16,398,919 km (0.065 R)
• M16: 20,735,462 km (0.102 R)
• M17: 22,054,466 km (0.089 R)
• M18: 25,782,146 km (0.099 R)
• M19: 26,346,878 km (0.088 R)
• M20: 30,638,841 km (0.067 R)
• M21: 31,272,537 km (0.115 R)
• M22: 44,094,870 km (0.032 R)
• M23: 45,447,085 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 12,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit