🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.68 AU - 0.78 AU

Year: 283 Days

Day: 38.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.96 AU

Year: 318 Days

Day: 29.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.02 AU - 1.42 AU

Year: 610 Days

Day: 36.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.35 AU - 1.37 AU

Year: 719 Days

Day: 41.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.55 AU - 1.87 AU

Year: 1013 Days

Day: 24.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 9.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.39 AU - 3.01 AU

Year: 2010 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,679,542 km

• M1: 118,182 km (0.078 R)
• M2: 574,755 km (0.116 R)
• M3: 961,166 km (0.062 R)
• M4: 1,269,188 km (0.082 R)
• M5: 1,586,336 km (0.056 R)
• M6: 2,360,056 km (0.066 R)
• M7: 2,803,614 km (0.054 R)
• M8: 3,382,707 km (0.073 R)
• M9: 4,321,284 km (0.106 R)
• M10: 4,924,762 km (0.093 R)
• M11: 5,447,158 km (0.109 R)
• M12: 5,745,306 km (0.116 R)
• M13: 7,348,098 km (0.113 R)
• M14: 7,972,370 km (0.086 R)
• M15: 8,631,498 km (0.07 R)
• M16: 8,974,526 km (0.117 R)
• M17: 10,368,778 km (0.096 R)
• M18: 11,449,473 km (0.059 R)
• M19: 12,249,522 km (0.085 R)
• M20: 14,390,717 km (0.101 R)
• M21: 14,829,338 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 10.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.84 AU - 4.62 AU

Year: 3941 Days

Day: 10.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,679,542 km

• M1: 129,552 km (0.066 R)
• M2: 502,948 km (0.051 R)
• M3: 1,696,739 km (0.075 R)
• M4: 2,320,712 km (0.095 R)
• M5: 2,800,771 km (0.086 R)
• M6: 3,555,941 km (0.101 R)
• M7: 5,311,772 km (0.06 R)
• M8: 7,814,544 km (0.096 R)
• M9: 8,396,180 km (0.11 R)
• M10: 8,751,625 km (0.106 R)
• M11: 10,436,546 km (0.1 R)
• M12: 10,806,202 km (0.052 R)
• M13: 13,211,287 km (0.037 R)
• M14: 15,684,140 km (0.09 R)
• M15: 16,278,941 km (0.072 R)
• M16: 16,776,803 km (0.079 R)
• M17: 18,095,358 km (0.038 R)
• M18: 19,917,311 km (0.077 R)
• M19: 22,600,798 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 12.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.81 AU - 7.07 AU

Year: 7404 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,679,542 km

• M1: 165,306 km (0.1 R)
• M2: 1,017,565 km (0.082 R)
• M3: 1,994,439 km (0.109 R)
• M4: 2,804,362 km (0.052 R)
• M5: 8,834,053 km (0.082 R)
• M6: 12,430,985 km (0.051 R)
• M7: 14,690,960 km (0.105 R)
• M8: 16,602,072 km (0.077 R)
• M9: 20,216,058 km (0.112 R)
• M10: 23,629,283 km (0.086 R)
• M11: 25,351,902 km (0.103 R)
• M12: 26,161,975 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.4

Radius: 5.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.75 AU - 10.41 AU

Year: 14499 Days

Day: 20.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,679,542 km

• M1: 123,418 km (0.079 R)
• M2: 603,478 km (0.092 R)
• M3: 923,916 km (0.098 R)
• M4: 1,626,278 km (0.066 R)
• M5: 5,742,613 km (0.119 R)
• M6: 6,495,390 km (0.052 R)
• M7: 7,880,217 km (0.071 R)
• M8: 8,275,156 km (0.094 R)
• M9: 9,806,589 km (0.108 R)
• M10: 12,181,904 km (0.113 R)
• M11: 12,603,022 km (0.111 R)
• M12: 13,981,716 km (0.065 R)
• M13: 20,066,759 km (0.1 R)
• M14: 23,118,257 km (0.099 R)
• M15: 24,420,805 km (0.108 R)
• M16: 25,174,629 km (0.118 R)
• M17: 30,601,142 km (0.091 R)
• M18: 30,891,362 km (0.115 R)
• M19: 31,772,793 km (0.075 R)
• M20: 32,169,825 km (0.106 R)
• M21: 32,670,829 km (0.053 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 11,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit