🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 8.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,589,380 km

• M1: 108,159 km (0.119 R)
• M2: 388,506 km (0.086 R)
• M3: 728,990 km (0.076 R)
• M4: 1,192,295 km (0.099 R)
• M5: 1,718,730 km (0.099 R)
• M6: 2,496,040 km (0.047 R)
• M7: 2,920,300 km (0.084 R)
• M8: 3,479,198 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 9

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.9 AU - 0.94 AU

Year: 609 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,589,380 km

• M1: 111,899 km (0.051 R)
• M2: 538,253 km (0.1 R)
• M3: 960,718 km (0.104 R)
• M4: 1,431,951 km (0.111 R)
• M5: 1,853,218 km (0.102 R)
• M6: 2,165,728 km (0.025 R)
• M7: 2,633,970 km (0.054 R)
• M8: 3,130,784 km (0.079 R)
• M9: 3,745,332 km (0.113 R)
• M10: 4,311,859 km (0.033 R)
• M11: 4,731,481 km (0.072 R)
• M12: 5,267,341 km (0.111 R)
• M13: 5,939,783 km (0.104 R)
• M14: 6,838,119 km (0.11 R)
• M15: 7,120,111 km (0.12 R)
• M16: 7,546,315 km (0.07 R)
• M17: 7,918,365 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 11.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.01 AU - 1.05 AU

Year: 722 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,589,380 km

• M1: 138,079 km (0.09 R)
• M2: 492,626 km (0.119 R)
• M3: 985,700 km (0.107 R)
• M4: 1,371,364 km (0.032 R)
• M5: 2,067,891 km (0.107 R)
• M6: 2,431,265 km (0.118 R)
• M7: 2,928,827 km (0.094 R)
• M8: 3,377,770 km (0.119 R)
• M9: 3,928,590 km (0.118 R)
• M10: 4,809,422 km (0.027 R)
• M11: 5,616,054 km (0.119 R)
• M12: 6,450,511 km (0.094 R)
• M13: 7,300,825 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.2

Radius: 11

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.43 AU - 2.33 AU

Year: 1779 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,589,380 km

• M1: 150,795 km (0.098 R)
• M2: 1,172,548 km (0.116 R)
• M3: 1,648,269 km (0.07 R)
• M4: 2,211,057 km (0.105 R)
• M5: 4,092,250 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 11.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.76 AU - 2.66 AU

Year: 2268 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,589,380 km

• M1: 146,756 km (0.108 R)
• M2: 540,946 km (0.097 R)
• M3: 916,736 km (0.093 R)
• M4: 1,304,643 km (0.12 R)
• M5: 1,720,824 km (0.039 R)
• M6: 2,515,189 km (0.058 R)
• M7: 2,936,008 km (0.096 R)
• M8: 3,791,408 km (0.103 R)
• M9: 5,417,986 km (0.107 R)
• M10: 6,126,033 km (0.086 R)
• M11: 6,702,882 km (0.119 R)
• M12: 7,992,117 km (0.111 R)
• M13: 8,401,117 km (0.059 R)
• M14: 8,795,457 km (0.12 R)
• M15: 9,202,214 km (0.044 R)
• M16: 9,621,387 km (0.112 R)
• M17: 10,306,097 km (0.067 R)
• M18: 11,393,673 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 13.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.34 AU - 2.84 AU

Year: 2877 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,589,380 km

• M1: 169,494 km (0.047 R)
• M2: 717,322 km (0.043 R)
• M3: 1,266,346 km (0.111 R)
• M4: 1,788,592 km (0.077 R)
• M5: 3,446,885 km (0.115 R)
• M6: 3,872,191 km (0.109 R)
• M7: 4,667,902 km (0.086 R)
• M8: 7,916,570 km (0.036 R)
• M9: 9,018,508 km (0.106 R)
• M10: 13,171,793 km (0.076 R)
• M11: 14,319,807 km (0.098 R)
• M12: 18,397,247 km (0.077 R)
• M13: 19,465,825 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 12.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.4 AU - 5.5 AU

Year: 8782 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,589,380 km

• M1: 154,385 km (0.104 R)
• M2: 782,247 km (0.113 R)
• M3: 1,706,014 km (0.105 R)
• M4: 2,943,637 km (0.109 R)
• M5: 3,575,988 km (0.096 R)
• M6: 4,269,224 km (0.104 R)
• M7: 4,830,964 km (0.082 R)
• M8: 5,888,771 km (0.082 R)
• M9: 6,286,103 km (0.074 R)
• M10: 6,975,300 km (0.025 R)
• M11: 9,691,698 km (0.115 R)
• M12: 14,042,303 km (0.116 R)
• M13: 14,689,165 km (0.1 R)
• M14: 15,972,864 km (0.1 R)
• M15: 19,231,255 km (0.107 R)
• M16: 22,820,557 km (0.089 R)
• M17: 23,534,438 km (0.044 R)
• M18: 25,006,780 km (0.116 R)
• M19: 25,957,624 km (0.056 R)
• M20: 26,932,404 km (0.096 R)
• M21: 27,830,589 km (0.073 R)
• M22: 29,476,316 km (0.094 R)
• M23: 34,802,299 km (0.114 R)
• M24: 35,748,356 km (0.097 R)
• M25: 36,832,941 km (0.104 R)
• M26: 39,067,933 km (0.065 R)
• M27: 44,493,399 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.6

Radius: 6.9

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.45 AU - 6.93 AU

Year: 10630 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,589,380 km

• M1: 94,995 km (0.095 R)
• M2: 337,942 km (0.105 R)
• M3: 608,714 km (0.112 R)
• M4: 853,605 km (0.061 R)
• M5: 1,088,325 km (0.11 R)
• M6: 2,068,939 km (0.04 R)
• M7: 2,737,641 km (0.119 R)
• M8: 2,968,471 km (0.086 R)
• M9: 3,689,981 km (0.085 R)
• M10: 4,465,646 km (0.091 R)
• M11: 5,377,595 km (0.083 R)
• M12: 7,282,724 km (0.082 R)
• M13: 7,687,087 km (0.12 R)
• M14: 8,321,382 km (0.118 R)
• M15: 9,790,433 km (0.088 R)
• M16: 11,211,014 km (0.091 R)
• M17: 12,026,023 km (0.083 R)
• M18: 12,249,822 km (0.072 R)
• M19: 12,590,905 km (0.087 R)
• M20: 13,173,289 km (0.101 R)
• M21: 17,051,464 km (0.097 R)
• M22: 17,692,043 km (0.054 R)
• M23: 18,870,275 km (0.067 R)
• M24: 22,379,093 km (0.079 R)
• M25: 23,931,770 km (0.064 R)
• M26: 26,677,190 km (0.092 R)
• M27: 28,027,460 km (0.094 R)
• M28: 29,220,503 km (0.084 R)
• M29: 33,441,856 km (0.093 R)
• M30: 34,557,407 km (0.038 R)
• M31: 35,697,493 km (0.053 R)
• M32: 37,812,507 km (0.067 R)
• M33: 43,858,206 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.5

Radius: 4

Gravity: 52.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.67 AU - 6.99 AU

Year: 10993 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,589,380 km

• M1: 49,816 km (0.077 R)
• M2: 219,161 km (0.12 R)
• M3: 441,164 km (0.102 R)
• M4: 1,109,717 km (0.106 R)
• M5: 1,310,328 km (0.095 R)
• M6: 2,898,608 km (0.086 R)
• M7: 3,085,306 km (0.066 R)
• M8: 3,508,968 km (0.069 R)
• M9: 3,694,170 km (0.119 R)
• M10: 3,941,904 km (0.119 R)
• M11: 5,247,295 km (0.08 R)
• M12: 8,672,488 km (0.059 R)
• M13: 13,862,038 km (0.119 R)
• M14: 17,324,331 km (0.107 R)
• M15: 22,386,424 km (0.109 R)
• M16: 29,747,237 km (0.075 R)
• M17: 34,206,301 km (0.101 R)
• M18: 43,010,285 km (0.112 R)
• M19: 47,035,216 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.9

Radius: 7.1

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.75 AU - 11.13 AU

Year: 23284 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,589,380 km

• M1: 91,853 km (0.091 R)
• M2: 315,951 km (0.111 R)
• M3: 624,870 km (0.086 R)
• M4: 1,132,905 km (0.072 R)
• M5: 1,468,752 km (0.095 R)
• M6: 1,734,587 km (0.089 R)
• M7: 2,295,579 km (0.096 R)
• M8: 2,944,086 km (0.114 R)
• M9: 4,310,663 km (0.055 R)
• M10: 4,860,884 km (0.032 R)
• M11: 6,055,871 km (0.11 R)
• M12: 6,938,050 km (0.113 R)
• M13: 9,187,703 km (0.039 R)
• M14: 10,998,585 km (0.068 R)
• M15: 12,093,342 km (0.063 R)
• M16: 13,035,061 km (0.085 R)
• M17: 14,024,651 km (0.083 R)
• M18: 16,238,550 km (0.083 R)
• M19: 27,185,972 km (0.082 R)
• M20: 28,169,728 km (0.049 R)
• M21: 30,469,795 km (0.12 R)
• M22: 43,867,032 km (0.11 R)
• M23: 49,442,096 km (0.116 R)
• M24: 50,906,061 km (0.109 R)
• M25: 52,210,554 km (0.109 R)
• M26: 54,305,373 km (0.081 R)
• M27: 55,080,889 km (0.084 R)
• M28: 55,863,734 km (0.096 R)
• M29: 78,913,326 km (0.057 R)
• M30: 79,658,473 km (0.049 R)
• M31: 84,487,342 km (0.092 R)
• M32: 84,746,745 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 13,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit