🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.93 AU - 1.17 AU

Year: 466 Days

Day: 47.6 Hours

Environment

Temp: -64 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.21 AU - 1.37 AU

Year: 635 Days

Day: 26.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,993,042 km

• M1: 860,936 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.49 AU - 1.67 AU

Year: 861 Days

Day: 25.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.53 AU - 1.91 AU

Year: 978 Days

Day: 37.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,993,042 km

• M1: 675,135 km (0.066 R)

Asteroid Belt

Center: 3.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 10

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.98 AU - 4.86 AU

Year: 4028 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,993,042 km

• M1: 124,465 km (0.104 R)
• M2: 440,267 km (0.117 R)
• M3: 766,539 km (0.092 R)
• M4: 1,112,709 km (0.111 R)
• M5: 1,554,621 km (0.094 R)
• M6: 1,878,949 km (0.116 R)
• M7: 2,363,646 km (0.083 R)
• M8: 3,301,326 km (0.063 R)
• M9: 5,160,827 km (0.089 R)
• M10: 6,372,570 km (0.072 R)
• M11: 10,000,468 km (0.077 R)
• M12: 10,640,897 km (0.105 R)
• M13: 13,288,480 km (0.084 R)
• M14: 14,260,716 km (0.109 R)
• M15: 17,405,712 km (0.078 R)
• M16: 17,807,083 km (0.053 R)
• M17: 18,214,738 km (0.085 R)
• M18: 19,659,703 km (0.092 R)
• M19: 20,985,440 km (0.109 R)
• M20: 21,374,843 km (0.12 R)
• M21: 22,302,499 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 12

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.66 AU - 5.52 AU

Year: 4263 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,993,042 km

• M1: 149,448 km (0.085 R)
• M2: 534,364 km (0.08 R)
• M3: 932,294 km (0.083 R)
• M4: 1,481,468 km (0.087 R)
• M5: 2,492,301 km (0.112 R)
• M6: 3,213,512 km (0.087 R)
• M7: 4,386,359 km (0.058 R)
• M8: 5,184,314 km (0.072 R)
• M9: 7,153,471 km (0.118 R)
• M10: 10,769,850 km (0.046 R)
• M11: 11,976,357 km (0.12 R)
• M12: 12,759,053 km (0.119 R)
• M13: 14,109,024 km (0.101 R)
• M14: 15,891,034 km (0.112 R)
• M15: 16,483,741 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.5

Radius: 10.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.42 AU - 9.76 AU

Year: 11880 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,993,042 km

• M1: 134,488 km (0.11 R)
• M2: 503,397 km (0.106 R)
• M3: 841,488 km (0.045 R)
• M4: 1,307,635 km (0.108 R)
• M5: 2,682,589 km (0.117 R)
• M6: 4,527,280 km (0.12 R)
• M7: 5,019,009 km (0.079 R)
• M8: 5,917,793 km (0.114 R)
• M9: 9,347,025 km (0.098 R)
• M10: 12,136,875 km (0.119 R)
• M11: 13,142,472 km (0.101 R)
• M12: 16,053,796 km (0.038 R)
• M13: 17,726,001 km (0.064 R)
• M14: 18,399,042 km (0.109 R)
• M15: 18,741,920 km (0.09 R)
• M16: 19,369,932 km (0.049 R)
• M17: 21,869,563 km (0.119 R)
• M18: 23,196,646 km (0.062 R)
• M19: 24,165,292 km (0.119 R)
• M20: 26,530,285 km (0.109 R)
• M21: 26,880,194 km (0.116 R)
• M22: 29,230,826 km (0.082 R)
• M23: 30,936,391 km (0.109 R)
• M24: 31,715,347 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.6

Radius: 7.7

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.41 AU - 16.21 AU

Year: 27250 Days

Day: 18.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,993,042 km

• M1: 103,223 km (0.067 R)
• M2: 466,147 km (0.104 R)
• M3: 1,268,291 km (0.06 R)
• M4: 1,598,453 km (0.053 R)
• M5: 2,157,052 km (0.087 R)
• M6: 2,707,871 km (0.11 R)
• M7: 5,665,720 km (0.107 R)
• M8: 8,538,598 km (0.118 R)
• M9: 11,622,857 km (0.109 R)
• M10: 13,071,264 km (0.047 R)
• M11: 20,175,367 km (0.104 R)
• M12: 26,724,463 km (0.048 R)
• M13: 52,438,093 km (0.061 R)
• M14: 57,964,238 km (0.094 R)
• M15: 67,638,284 km (0.111 R)
• M16: 80,346,922 km (0.074 R)
• M17: 89,830,679 km (0.105 R)
• M18: 90,928,428 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 10,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit