🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.6 AU - 0.9 AU

Year: 232 Days

Day: 21.5 Hours

Environment

Temp: 126 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,436,449 km

• M1: 575,952 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.69 AU - 2.15 AU

Year: 948 Days

Day: 12.2 Hours

Environment

Temp: -62 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,436,449 km

• M1: 182,809 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.7 AU - 2.54 AU

Year: 1100 Days

Day: 42.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.77 AU - 3.99 AU

Year: 2215 Days

Day: 14.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.67 AU - 5.01 AU

Year: 3223 Days

Day: 28.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 9.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.32 AU - 5.48 AU

Year: 4473 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,436,449 km

• M1: 114,293 km (0.088 R)
• M2: 440,416 km (0.1 R)
• M3: 747,391 km (0.115 R)
• M4: 1,291,030 km (0.043 R)
• M5: 1,877,004 km (0.1 R)
• M6: 3,553,249 km (0.025 R)
• M7: 4,387,855 km (0.118 R)
• M8: 5,650,162 km (0.09 R)
• M9: 6,169,865 km (0.113 R)
• M10: 6,564,654 km (0.074 R)
• M11: 7,304,714 km (0.088 R)
• M12: 7,781,782 km (0.108 R)
• M13: 8,206,939 km (0.1 R)
• M14: 8,610,405 km (0.114 R)
• M15: 9,027,035 km (0.111 R)
• M16: 11,815,240 km (0.088 R)
• M17: 12,617,084 km (0.103 R)
• M18: 13,657,238 km (0.083 R)
• M19: 15,131,675 km (0.112 R)
• M20: 16,651,141 km (0.102 R)
• M21: 19,149,275 km (0.07 R)
• M22: 20,321,076 km (0.11 R)
• M23: 21,609,113 km (0.108 R)
• M24: 23,900,205 km (0.07 R)
• M25: 25,721,409 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 11.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.94 AU - 9.32 AU

Year: 7512 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,436,449 km

• M1: 141,968 km (0.073 R)
• M2: 708,496 km (0.106 R)
• M3: 1,303,596 km (0.091 R)
• M4: 1,772,585 km (0.089 R)
• M5: 2,160,044 km (0.119 R)
• M6: 3,057,930 km (0.086 R)
• M7: 3,413,973 km (0.083 R)
• M8: 3,938,912 km (0.107 R)
• M9: 4,562,137 km (0.075 R)
• M10: 5,175,937 km (0.066 R)
• M11: 5,897,746 km (0.067 R)
• M12: 6,453,652 km (0.043 R)
• M13: 8,197,515 km (0.073 R)
• M14: 10,003,161 km (0.109 R)
• M15: 10,393,910 km (0.067 R)
• M16: 12,147,796 km (0.028 R)
• M17: 14,139,991 km (0.065 R)
• M18: 14,782,813 km (0.11 R)
• M19: 18,063,344 km (0.1 R)
• M20: 19,417,205 km (0.101 R)
• M21: 21,476,420 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 11.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.14 AU - 12.18 AU

Year: 12406 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,436,449 km

• M1: 146,157 km (0.089 R)
• M2: 545,135 km (0.092 R)
• M3: 922,869 km (0.072 R)
• M4: 1,484,609 km (0.089 R)
• M5: 2,301,713 km (0.068 R)
• M6: 2,873,625 km (0.099 R)
• M7: 4,168,694 km (0.105 R)
• M8: 5,300,103 km (0.066 R)
• M9: 6,961,238 km (0.033 R)
• M10: 8,634,789 km (0.099 R)
• M11: 14,552,432 km (0.115 R)
• M12: 17,687,255 km (0.105 R)
• M13: 19,602,108 km (0.116 R)
• M14: 20,452,572 km (0.083 R)
• M15: 23,926,983 km (0.114 R)
• M16: 26,824,993 km (0.12 R)
• M17: 31,599,109 km (0.093 R)
• M18: 32,875,628 km (0.065 R)
• M19: 33,308,714 km (0.057 R)
• M20: 37,969,585 km (0.04 R)
• M21: 43,177,237 km (0.05 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 10,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit