🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 41.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,026,553 km

• M1: 79,586 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.63 AU - 0.69 AU

Year: 352 Days

Day: 22.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 9.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.01 AU - 1.23 AU

Year: 778 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,026,553 km

• M1: 123,119 km (0.079 R)
• M2: 591,959 km (0.077 R)
• M3: 2,341,207 km (0.099 R)
• M4: 3,206,780 km (0.103 R)
• M5: 4,144,908 km (0.094 R)
• M6: 4,455,473 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 12.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.17 AU - 1.23 AU

Year: 862 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,026,553 km

• M1: 153,487 km (0.104 R)
• M2: 651,798 km (0.057 R)
• M3: 1,510,789 km (0.094 R)
• M4: 2,037,373 km (0.052 R)
• M5: 2,485,419 km (0.094 R)
• M6: 2,883,499 km (0.083 R)
• M7: 3,310,302 km (0.103 R)
• M8: 5,056,408 km (0.09 R)
• M9: 7,016,589 km (0.056 R)
• M10: 7,999,297 km (0.06 R)
• M11: 8,767,482 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 14.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.09 AU - 3.37 AU

Year: 2959 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,026,553 km

• M1: 183,706 km (0.079 R)
• M2: 643,720 km (0.104 R)
• M3: 1,241,064 km (0.086 R)
• M4: 1,824,196 km (0.109 R)
• M5: 2,371,126 km (0.108 R)
• M6: 2,903,395 km (0.097 R)
• M7: 3,920,212 km (0.092 R)
• M8: 4,558,696 km (0.106 R)
• M9: 5,122,829 km (0.107 R)
• M10: 6,205,918 km (0.06 R)
• M11: 6,826,899 km (0.072 R)
• M12: 7,809,009 km (0.1 R)
• M13: 8,620,428 km (0.093 R)
• M14: 9,242,605 km (0.115 R)
• M15: 10,778,078 km (0.102 R)
• M16: 11,326,055 km (0.085 R)
• M17: 12,000,891 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 9.8

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.74 AU - 3.82 AU

Year: 3897 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,026,553 km

• M1: 122,969 km (0.076 R)
• M2: 552,016 km (0.084 R)
• M3: 978,071 km (0.109 R)
• M4: 1,407,566 km (0.113 R)
• M5: 1,790,986 km (0.119 R)
• M6: 3,094,432 km (0.105 R)
• M7: 3,522,132 km (0.115 R)
• M8: 3,966,887 km (0.098 R)
• M9: 5,755,180 km (0.077 R)
• M10: 6,252,742 km (0.103 R)
• M11: 7,955,016 km (0.112 R)
• M12: 10,280,066 km (0.105 R)
• M13: 10,925,432 km (0.101 R)
• M14: 11,643,501 km (0.118 R)
• M15: 12,155,126 km (0.085 R)
• M16: 16,224,039 km (0.051 R)
• M17: 18,689,561 km (0.103 R)
• M18: 20,176,863 km (0.101 R)
• M19: 20,510,317 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.2

Radius: 5

Gravity: 36.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.12 AU - 7.1 AU

Year: 11148 Days

Day: 21 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,026,553 km

• M1: 62,233 km (0.074 R)
• M2: 227,688 km (0.116 R)
• M3: 787,334 km (0.104 R)
• M4: 1,127,370 km (0.096 R)
• M5: 1,456,784 km (0.088 R)
• M6: 1,636,601 km (0.114 R)
• M7: 1,797,568 km (0.087 R)
• M8: 2,247,558 km (0.091 R)
• M9: 2,615,719 km (0.053 R)
• M10: 2,836,974 km (0.117 R)
• M11: 3,291,901 km (0.104 R)
• M12: 4,285,231 km (0.118 R)
• M13: 4,468,339 km (0.065 R)
• M14: 4,656,683 km (0.11 R)
• M15: 4,817,799 km (0.054 R)
• M16: 6,051,234 km (0.107 R)
• M17: 6,321,108 km (0.072 R)
• M18: 7,437,857 km (0.108 R)
• M19: 11,047,504 km (0.082 R)
• M20: 11,567,805 km (0.066 R)
• M21: 11,923,698 km (0.078 R)
• M22: 15,820,872 km (0.084 R)
• M23: 16,555,996 km (0.114 R)
• M24: 25,499,256 km (0.099 R)
• M25: 29,916,881 km (0.084 R)
• M26: 30,925,769 km (0.039 R)
• M27: 34,818,755 km (0.086 R)
• M28: 35,809,392 km (0.082 R)
• M29: 38,761,855 km (0.109 R)
• M30: 41,872,594 km (0.1 R)
• M31: 48,585,499 km (0.098 R)
• M32: 55,477,174 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 7

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.85 AU - 12.63 AU

Year: 21496 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,026,553 km

• M1: 87,216 km (0.12 R)
• M2: 413,040 km (0.067 R)
• M3: 702,512 km (0.117 R)
• M4: 1,207,704 km (0.081 R)
• M5: 1,590,375 km (0.106 R)
• M6: 1,820,008 km (0.116 R)
• M7: 2,391,322 km (0.073 R)
• M8: 2,817,825 km (0.12 R)
• M9: 5,352,462 km (0.098 R)
• M10: 6,040,313 km (0.076 R)
• M11: 6,877,014 km (0.118 R)
• M12: 7,299,329 km (0.056 R)
• M13: 8,616,837 km (0.091 R)
• M14: 9,107,668 km (0.098 R)
• M15: 9,732,837 km (0.091 R)
• M16: 11,979,648 km (0.119 R)
• M17: 15,325,404 km (0.085 R)
• M18: 19,708,921 km (0.119 R)
• M19: 21,733,878 km (0.063 R)
• M20: 28,276,840 km (0.049 R)
• M21: 35,465,317 km (0.065 R)
• M22: 39,626,232 km (0.1 R)
• M23: 60,507,103 km (0.041 R)
• M24: 60,902,789 km (0.041 R)
• M25: 62,705,144 km (0.104 R)
• M26: 75,180,859 km (0.108 R)
• M27: 77,253,836 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.7

Radius: 3.2

Gravity: 60.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.45 AU - 12.81 AU

Year: 22736 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,026,553 km

• M1: 39,943 km (0.088 R)
• M2: 143,315 km (0.075 R)
• M3: 299,046 km (0.077 R)
• M4: 425,905 km (0.047 R)
• M5: 891,454 km (0.099 R)
• M6: 1,478,326 km (0.114 R)
• M7: 1,649,466 km (0.107 R)
• M8: 1,852,770 km (0.055 R)
• M9: 2,156,603 km (0.082 R)
• M10: 3,020,082 km (0.113 R)
• M11: 3,439,853 km (0.105 R)
• M12: 3,618,324 km (0.031 R)
• M13: 3,802,778 km (0.117 R)
• M14: 4,157,474 km (0.103 R)
• M15: 4,428,845 km (0.077 R)
• M16: 4,969,342 km (0.114 R)
• M17: 5,082,588 km (0.118 R)
• M18: 5,197,479 km (0.085 R)
• M19: 5,552,624 km (0.065 R)
• M20: 6,136,804 km (0.097 R)
• M21: 7,088,246 km (0.115 R)
• M22: 8,666,354 km (0.035 R)
• M23: 9,918,638 km (0.067 R)
• M24: 10,712,704 km (0.1 R)
• M25: 13,862,187 km (0.098 R)
• M26: 14,086,734 km (0.101 R)
• M27: 15,405,290 km (0.055 R)
• M28: 16,218,055 km (0.101 R)
• M29: 17,059,094 km (0.098 R)
• M30: 17,577,451 km (0.085 R)
• M31: 17,752,480 km (0.101 R)
• M32: 20,714,368 km (0.088 R)
• M33: 23,140,397 km (0.071 R)
• M34: 25,079,335 km (0.103 R)
• M35: 27,475,295 km (0.11 R)
• M36: 28,067,403 km (0.119 R)
• M37: 28,426,737 km (0.1 R)
• M38: 29,032,309 km (0.066 R)
• M39: 30,269,484 km (0.081 R)
• M40: 37,416,671 km (0.115 R)
• M41: 43,659,690 km (0.045 R)
• M42: 45,610,147 km (0.052 R)
• M43: 46,942,166 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 12,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit