🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.69 AU - 0.95 AU

Year: 274 Days

Day: 22.8 Hours

Environment

Temp: 118 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.79 AU - 1.25 AU

Year: 380 Days

Day: 21.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.61 AU - 2.97 AU

Year: 1719 Days

Day: 23.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 15

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.15 AU - 9.93 AU

Year: 8411 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 113,577,125 km

• M1: 187,596 km (0.114 R)
• M2: 1,143,975 km (0.085 R)
• M3: 2,045,152 km (0.088 R)
• M4: 2,587,295 km (0.094 R)
• M5: 3,450,475 km (0.071 R)
• M6: 5,727,803 km (0.085 R)
• M7: 6,716,645 km (0.114 R)
• M8: 8,050,609 km (0.106 R)
• M9: 10,444,175 km (0.056 R)
• M10: 12,152,583 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 12.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.26 AU - 11.1 AU

Year: 10262 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 113,577,125 km

• M1: 154,385 km (0.074 R)
• M2: 565,330 km (0.112 R)
• M3: 1,204,113 km (0.053 R)
• M4: 1,869,973 km (0.027 R)
• M5: 2,418,399 km (0.104 R)
• M6: 3,721,696 km (0.08 R)
• M7: 4,487,487 km (0.109 R)
• M8: 5,083,934 km (0.09 R)
• M9: 5,510,737 km (0.057 R)
• M10: 6,161,936 km (0.118 R)
• M11: 6,576,921 km (0.051 R)
• M12: 7,310,250 km (0.03 R)
• M13: 10,027,844 km (0.091 R)
• M14: 10,999,931 km (0.094 R)
• M15: 12,356,335 km (0.069 R)
• M16: 13,473,532 km (0.099 R)
• M17: 14,116,055 km (0.045 R)
• M18: 14,963,078 km (0.076 R)
• M19: 15,779,883 km (0.117 R)
• M20: 17,161,718 km (0.098 R)
• M21: 17,847,475 km (0.109 R)
• M22: 18,267,546 km (0.084 R)
• M23: 22,758,474 km (0.039 R)
• M24: 23,419,247 km (0.119 R)
• M25: 23,838,570 km (0.086 R)
• M26: 24,865,709 km (0.037 R)
• M27: 29,368,156 km (0.074 R)
• M28: 35,366,732 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 14.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.44 AU - 12.62 AU

Year: 13516 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 113,577,125 km

• M1: 182,809 km (0.07 R)
• M2: 943,514 km (0.037 R)
• M3: 1,462,918 km (0.118 R)
• M4: 1,956,441 km (0.115 R)
• M5: 2,456,846 km (0.041 R)
• M6: 2,923,591 km (0.059 R)
• M7: 3,450,325 km (0.114 R)
• M8: 4,503,046 km (0.105 R)
• M9: 6,148,622 km (0.105 R)
• M10: 10,141,539 km (0.064 R)
• M11: 11,002,923 km (0.104 R)
• M12: 13,675,938 km (0.102 R)
• M13: 14,300,659 km (0.097 R)
• M14: 15,682,345 km (0.096 R)
• M15: 17,311,316 km (0.099 R)
• M16: 18,042,999 km (0.064 R)
• M17: 24,054,590 km (0.065 R)
• M18: 24,761,589 km (0.107 R)
• M19: 25,275,009 km (0.061 R)
• M20: 27,400,346 km (0.097 R)
• M21: 30,221,612 km (0.085 R)
• M22: 51,155,590 km (0.08 R)
• M23: 53,855,533 km (0.088 R)
• M24: 57,541,774 km (0.087 R)
• M25: 60,460,877 km (0.082 R)
• M26: 62,713,971 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.3

Radius: 3.2

Gravity: 96.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 17.8 AU - 20.08 AU

Year: 30412 Days

Day: 23.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 113,577,125 km

• M1: 40,242 km (0.111 R)
• M2: 212,429 km (0.062 R)
• M3: 1,265,299 km (0.103 R)
• M4: 1,403,228 km (0.058 R)
• M5: 3,521,384 km (0.117 R)
• M6: 4,270,122 km (0.081 R)
• M7: 4,783,542 km (0.066 R)
• M8: 5,076,454 km (0.078 R)
• M9: 7,470,918 km (0.116 R)
• M10: 8,096,237 km (0.119 R)
• M11: 13,810,427 km (0.052 R)
• M12: 15,729,319 km (0.069 R)
• M13: 16,468,930 km (0.118 R)
• M14: 18,724,268 km (0.058 R)
• M15: 21,066,073 km (0.059 R)
• M16: 21,624,372 km (0.111 R)
• M17: 31,799,122 km (0.044 R)
• M18: 32,091,436 km (0.077 R)
• M19: 44,026,504 km (0.089 R)
• M20: 50,274,459 km (0.045 R)
• M21: 57,087,744 km (0.073 R)
• M22: 57,519,334 km (0.092 R)
• M23: 61,276,485 km (0.041 R)
• M24: 68,299,805 km (0.095 R)
• M25: 74,290,003 km (0.105 R)
• M26: 76,885,975 km (0.096 R)
• M27: 79,273,408 km (0.049 R)
• M28: 80,080,039 km (0.049 R)
• M29: 80,350,213 km (0.072 R)
• M30: 81,983,523 km (0.062 R)
• M31: 83,638,973 km (0.09 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: 382 - 10,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit