🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 37.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 72.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 14.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.81 AU - 0.97 AU

Year: 551 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,967,156 km

• M1: 182,809 km (0.106 R)
• M2: 762,949 km (0.09 R)
• M3: 1,285,644 km (0.117 R)
• M4: 1,888,673 km (0.109 R)
• M5: 2,426,926 km (0.113 R)
• M6: 3,079,771 km (0.071 R)
• M7: 3,655,125 km (0.111 R)
• M8: 4,151,790 km (0.104 R)
• M9: 4,758,708 km (0.086 R)
• M10: 5,335,707 km (0.077 R)
• M11: 6,838,268 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 13.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.94 AU - 1.38 AU

Year: 820 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,967,156 km

• M1: 172,935 km (0.106 R)
• M2: 799,152 km (0.096 R)
• M3: 1,420,432 km (0.034 R)
• M4: 2,494,844 km (0.073 R)
• M5: 3,144,547 km (0.069 R)
• M6: 3,743,986 km (0.112 R)
• M7: 4,484,047 km (0.084 R)
• M8: 5,065,982 km (0.096 R)
• M9: 6,053,478 km (0.107 R)
• M10: 6,853,677 km (0.026 R)
• M11: 7,746,926 km (0.083 R)
• M12: 8,872,799 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.09 AU - 1.33 AU

Year: 873 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,967,156 km

• M1: 100,231 km (0.029 R)
• M2: 375,191 km (0.114 R)
• M3: 655,987 km (0.069 R)
• M4: 1,231,041 km (0.106 R)
• M5: 1,748,201 km (0.102 R)
• M6: 2,026,154 km (0.057 R)
• M7: 2,985,525 km (0.081 R)
• M8: 3,360,417 km (0.051 R)
• M9: 4,234,368 km (0.033 R)
• M10: 5,745,306 km (0.11 R)
• M11: 6,021,913 km (0.08 R)
• M12: 6,346,390 km (0.083 R)
• M13: 6,865,046 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 9.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.64 AU - 1.84 AU

Year: 1506 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,967,156 km

• M1: 152,291 km (0.1 R)
• M2: 1,144,274 km (0.081 R)
• M3: 1,433,148 km (0.104 R)
• M4: 1,837,810 km (0.107 R)
• M5: 2,456,247 km (0.104 R)
• M6: 2,945,881 km (0.088 R)
• M7: 5,520,161 km (0.105 R)
• M8: 6,521,869 km (0.033 R)
• M9: 6,873,424 km (0.103 R)
• M10: 7,163,793 km (0.101 R)
• M11: 7,821,126 km (0.109 R)
• M12: 8,326,468 km (0.082 R)
• M13: 8,712,580 km (0.028 R)
• M14: 9,821,399 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 4.4

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.71 AU - 9.17 AU

Year: 13313 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,967,156 km

• M1: 61,186 km (0.057 R)
• M2: 650,751 km (0.113 R)
• M3: 1,008,439 km (0.088 R)
• M4: 1,528,441 km (0.057 R)
• M5: 3,097,125 km (0.101 R)
• M6: 4,115,288 km (0.071 R)
• M7: 4,285,231 km (0.12 R)
• M8: 4,761,551 km (0.088 R)
• M9: 5,239,366 km (0.049 R)
• M10: 5,748,448 km (0.035 R)
• M11: 6,326,943 km (0.051 R)
• M12: 7,184,737 km (0.104 R)
• M13: 7,389,985 km (0.046 R)
• M14: 8,521,095 km (0.061 R)
• M15: 9,271,926 km (0.119 R)
• M16: 11,450,819 km (0.098 R)
• M17: 11,958,555 km (0.08 R)
• M18: 13,140,228 km (0.088 R)
• M19: 14,332,972 km (0.07 R)
• M20: 17,149,002 km (0.114 R)
• M21: 19,192,210 km (0.093 R)
• M22: 20,558,637 km (0.113 R)
• M23: 27,967,023 km (0.072 R)
• M24: 40,358,962 km (0.085 R)
• M25: 46,875,745 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.3

Radius: 4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.49 AU - 11.35 AU

Year: 18966 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,967,156 km

• M1: 51,162 km (0.082 R)
• M2: 186,399 km (0.071 R)
• M3: 765,343 km (0.045 R)
• M4: 1,284,298 km (0.111 R)
• M5: 1,501,215 km (0.116 R)
• M6: 1,694,196 km (0.097 R)
• M7: 2,034,681 km (0.085 R)
• M8: 4,778,754 km (0.088 R)
• M9: 5,046,834 km (0.052 R)
• M10: 11,444,536 km (0.092 R)
• M11: 13,205,154 km (0.035 R)
• M12: 13,878,942 km (0.025 R)
• M13: 17,940,225 km (0.116 R)
• M14: 19,066,697 km (0.101 R)
• M15: 19,678,254 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.6

Radius: 8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.35 AU - 10.27 AU

Year: 20156 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,967,156 km

• M1: 103,223 km (0.104 R)
• M2: 521,947 km (0.096 R)
• M3: 875,746 km (0.099 R)
• M4: 1,233,883 km (0.095 R)
• M5: 1,688,212 km (0.09 R)
• M6: 3,766,426 km (0.038 R)
• M7: 6,921,594 km (0.032 R)
• M8: 7,852,392 km (0.11 R)
• M9: 10,740,080 km (0.113 R)
• M10: 14,268,196 km (0.095 R)
• M11: 14,695,597 km (0.028 R)
• M12: 15,257,786 km (0.114 R)
• M13: 16,625,111 km (0.055 R)
• M14: 18,214,438 km (0.108 R)
• M15: 18,500,918 km (0.075 R)
• M16: 18,863,095 km (0.094 R)
• M17: 19,978,197 km (0.12 R)
• M18: 20,513,309 km (0.096 R)
• M19: 22,257,770 km (0.104 R)
• M20: 26,129,512 km (0.103 R)
• M21: 26,954,245 km (0.119 R)
• M22: 33,008,321 km (0.077 R)
• M23: 34,080,190 km (0.098 R)
• M24: 37,782,139 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.5

Radius: 6.5

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.56 AU - 10.48 AU

Year: 20807 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,967,156 km

• M1: 84,672 km (0.03 R)
• M2: 574,755 km (0.102 R)
• M3: 785,389 km (0.12 R)
• M4: 989,141 km (0.064 R)
• M5: 2,514,291 km (0.081 R)
• M6: 3,225,480 km (0.071 R)
• M7: 4,094,643 km (0.072 R)
• M8: 4,859,986 km (0.12 R)
• M9: 6,201,879 km (0.112 R)
• M10: 6,540,419 km (0.11 R)
• M11: 8,218,009 km (0.102 R)
• M12: 8,888,507 km (0.093 R)
• M13: 12,396,727 km (0.1 R)
• M14: 21,688,550 km (0.062 R)
• M15: 33,849,660 km (0.042 R)
• M16: 34,371,158 km (0.095 R)
• M17: 36,374,573 km (0.068 R)
• M18: 43,154,647 km (0.118 R)
• M19: 45,800,585 km (0.094 R)
• M20: 47,082,339 km (0.061 R)
• M21: 50,222,100 km (0.115 R)
• M22: 52,622,996 km (0.094 R)
• M23: 61,049,096 km (0.092 R)
• M24: 68,238,321 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 12,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit