🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.25 AU - 1.35 AU

Year: 533 Days

Day: 22.9 Hours

Environment

Temp: -8 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.22 AU - 1.8 AU

Year: 668 Days

Day: 22.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.62 AU - 2.3 AU

Year: 988 Days

Day: 17.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.03 AU - 2.13 AU

Year: 1080 Days

Day: 25.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 9.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.52 AU - 10 AU

Year: 10141 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,449,118 km

• M1: 121,025 km (0.073 R)
• M2: 446,250 km (0.075 R)
• M3: 876,943 km (0.113 R)
• M4: 1,235,978 km (0.108 R)
• M5: 1,855,612 km (0.094 R)
• M6: 2,989,713 km (0.105 R)
• M7: 3,377,022 km (0.116 R)
• M8: 3,683,698 km (0.111 R)
• M9: 4,481,503 km (0.084 R)
• M10: 4,798,651 km (0.054 R)
• M11: 6,285,953 km (0.089 R)
• M12: 7,242,033 km (0.06 R)
• M13: 8,731,429 km (0.083 R)
• M14: 9,440,673 km (0.03 R)
• M15: 18,376,602 km (0.084 R)
• M16: 21,488,238 km (0.094 R)
• M17: 24,121,161 km (0.079 R)
• M18: 27,661,394 km (0.107 R)
• M19: 31,245,759 km (0.089 R)

Asteroid Belt

Center: 10.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 8.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 10.96 AU - 14.04 AU

Year: 15905 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,449,118 km

• M1: 121,623 km (0.067 R)
• M2: 392,395 km (0.058 R)
• M3: 754,272 km (0.094 R)
• M4: 1,581,399 km (0.031 R)
• M5: 2,855,973 km (0.058 R)
• M6: 3,917,519 km (0.114 R)
• M7: 5,508,343 km (0.115 R)
• M8: 6,216,390 km (0.119 R)
• M9: 7,569,503 km (0.081 R)
• M10: 12,852,701 km (0.115 R)
• M11: 13,912,752 km (0.036 R)
• M12: 19,412,119 km (0.062 R)
• M13: 21,043,783 km (0.09 R)
• M14: 23,876,269 km (0.095 R)
• M15: 28,293,894 km (0.072 R)
• M16: 34,879,492 km (0.066 R)
• M17: 40,657,261 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.5

Radius: 6.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 14 AU - 21.26 AU

Year: 26641 Days

Day: 18.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,449,118 km

• M1: 83,326 km (0.097 R)
• M2: 310,416 km (0.1 R)
• M3: 845,078 km (0.102 R)
• M4: 1,123,480 km (0.047 R)
• M5: 2,364,694 km (0.115 R)
• M6: 2,860,610 km (0.114 R)
• M7: 4,619,433 km (0.091 R)
• M8: 4,858,041 km (0.045 R)
• M9: 5,136,443 km (0.079 R)
• M10: 7,596,879 km (0.043 R)
• M11: 8,014,856 km (0.1 R)
• M12: 8,448,241 km (0.083 R)
• M13: 9,267,438 km (0.066 R)
• M14: 10,288,893 km (0.117 R)
• M15: 12,668,696 km (0.066 R)
• M16: 19,316,227 km (0.078 R)
• M17: 20,253,009 km (0.096 R)
• M18: 20,571,802 km (0.049 R)
• M19: 22,898,647 km (0.104 R)
• M20: 24,393,728 km (0.069 R)
• M21: 26,996,432 km (0.085 R)
• M22: 41,141,958 km (0.114 R)
• M23: 44,275,584 km (0.05 R)
• M24: 45,218,649 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.4

Radius: 3.7

Gravity: 36.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 17.45 AU - 22.11 AU

Year: 31660 Days

Day: 19.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,449,118 km

• M1: 46,076 km (0.039 R)
• M2: 666,608 km (0.091 R)
• M3: 782,098 km (0.111 R)
• M4: 948,600 km (0.103 R)
• M5: 1,109,867 km (0.058 R)
• M6: 1,488,050 km (0.08 R)
• M7: 1,925,624 km (0.087 R)
• M8: 7,065,358 km (0.088 R)
• M9: 9,558,855 km (0.073 R)
• M10: 12,729,881 km (0.069 R)
• M11: 25,934,287 km (0.117 R)
• M12: 26,053,666 km (0.081 R)
• M13: 27,638,057 km (0.044 R)
• M14: 29,544,682 km (0.056 R)
• M15: 36,083,605 km (0.102 R)
• M16: 41,862,271 km (0.096 R)
• M17: 45,748,525 km (0.08 R)
• M18: 66,337,231 km (0.11 R)
• M19: 79,622,719 km (0.04 R)
• M20: 86,351,481 km (0.086 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 14,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit