🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.51 AU - 0.55 AU

Year: 149 Days

Day: 30 Hours

Environment

Temp: 130 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.53 AU - 0.73 AU

Year: 193 Days

Day: 44.6 Hours

Environment

Temp: 181 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.94 AU - 1.02 AU

Year: 374 Days

Day: 19.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 44.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.88 AU - 1.14 AU

Year: 391 Days

Day: 38.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,626,269 km

• M1: 431,440 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.4 AU - 2.74 AU

Year: 1586 Days

Day: 13.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.89 AU - 3.77 AU

Year: 2340 Days

Day: 27.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84

Radius: 14.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.65 AU - 6.27 AU

Year: 4912 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,626,269 km

• M1: 184,305 km (0.065 R)
• M2: 769,681 km (0.084 R)
• M3: 1,332,019 km (0.113 R)
• M4: 1,896,003 km (0.07 R)
• M5: 2,541,069 km (0.116 R)
• M6: 3,025,916 km (0.113 R)
• M7: 3,656,621 km (0.088 R)
• M8: 4,489,731 km (0.12 R)
• M9: 6,287,000 km (0.065 R)
• M10: 7,907,444 km (0.112 R)
• M11: 11,217,297 km (0.068 R)
• M12: 12,816,498 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 13.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.57 AU - 9.49 AU

Year: 9592 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,626,269 km

• M1: 170,841 km (0.074 R)
• M2: 599,887 km (0.048 R)
• M3: 1,216,679 km (0.088 R)
• M4: 1,822,252 km (0.107 R)
• M5: 3,873,837 km (0.102 R)
• M6: 4,450,686 km (0.058 R)
• M7: 6,605,943 km (0.111 R)
• M8: 7,433,069 km (0.113 R)
• M9: 7,994,510 km (0.068 R)
• M10: 11,187,527 km (0.064 R)
• M11: 11,658,910 km (0.115 R)
• M12: 12,418,568 km (0.12 R)
• M13: 13,268,733 km (0.101 R)
• M14: 13,976,630 km (0.094 R)
• M15: 15,726,476 km (0.071 R)
• M16: 16,994,468 km (0.09 R)
• M17: 19,809,152 km (0.099 R)
• M18: 20,578,234 km (0.114 R)
• M19: 24,637,872 km (0.056 R)
• M20: 31,736,440 km (0.077 R)
• M21: 36,545,713 km (0.064 R)
• M22: 39,123,583 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286

Radius: 5.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 14.78 AU - 19.8 AU

Year: 27680 Days

Day: 21.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,626,269 km

• M1: 67,169 km (0.115 R)
• M2: 395,836 km (0.102 R)
• M3: 666,159 km (0.052 R)
• M4: 881,580 km (0.109 R)
• M5: 1,683,425 km (0.073 R)
• M6: 1,897,051 km (0.111 R)
• M7: 2,625,891 km (0.111 R)
• M8: 3,040,876 km (0.064 R)
• M9: 4,284,932 km (0.114 R)
• M10: 4,789,226 km (0.055 R)
• M11: 7,439,652 km (0.12 R)
• M12: 9,262,651 km (0.066 R)
• M13: 9,988,351 km (0.093 R)
• M14: 11,116,019 km (0.089 R)
• M15: 12,392,239 km (0.062 R)
• M16: 12,591,653 km (0.109 R)
• M17: 13,272,173 km (0.098 R)
• M18: 14,855,218 km (0.117 R)
• M19: 18,477,282 km (0.116 R)
• M20: 21,004,887 km (0.096 R)
• M21: 23,246,462 km (0.051 R)
• M22: 26,513,081 km (0.081 R)
• M23: 27,290,840 km (0.115 R)
• M24: 31,656,256 km (0.089 R)
• M25: 32,154,417 km (0.093 R)
• M26: 36,329,095 km (0.041 R)
• M27: 38,404,616 km (0.053 R)
• M28: 38,829,025 km (0.085 R)
• M29: 42,337,544 km (0.119 R)
• M30: 44,323,456 km (0.092 R)
• M31: 51,333,462 km (0.105 R)
• M32: 53,413,920 km (0.071 R)
• M33: 54,653,188 km (0.077 R)
• M34: 56,456,441 km (0.119 R)
• M35: 68,946,367 km (0.078 R)
• M36: 70,626,202 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 18,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit