🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 12.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,459,720 km

• M1: 154,235 km (0.09 R)
• M2: 727,345 km (0.075 R)
• M3: 1,182,870 km (0.034 R)
• M4: 1,844,243 km (0.116 R)
• M5: 2,459,090 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 11.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.25 AU - 1.27 AU

Year: 959 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,459,720 km

• M1: 147,055 km (0.087 R)
• M2: 591,809 km (0.084 R)
• M3: 979,716 km (0.033 R)
• M4: 1,397,543 km (0.088 R)
• M5: 1,771,388 km (0.047 R)
• M6: 2,716,099 km (0.111 R)
• M7: 4,968,594 km (0.063 R)
• M8: 6,297,622 km (0.035 R)
• M9: 7,900,862 km (0.04 R)
• M10: 8,464,996 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 9.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2 AU - 2.18 AU

Year: 2049 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,459,720 km

• M1: 121,324 km (0.098 R)
• M2: 660,923 km (0.117 R)
• M3: 1,319,154 km (0.083 R)
• M4: 1,944,772 km (0.061 R)
• M5: 2,770,104 km (0.077 R)
• M6: 3,188,828 km (0.113 R)
• M7: 3,553,847 km (0.103 R)
• M8: 4,350,456 km (0.043 R)
• M9: 6,248,105 km (0.094 R)
• M10: 7,250,261 km (0.115 R)
• M11: 7,669,135 km (0.049 R)
• M12: 8,412,636 km (0.06 R)
• M13: 10,432,208 km (0.098 R)
• M14: 11,910,085 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 13.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.43 AU - 6.83 AU

Year: 9061 Days

Day: 12.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,459,720 km

• M1: 172,786 km (0.106 R)
• M2: 948,600 km (0.093 R)
• M3: 1,947,166 km (0.102 R)
• M4: 2,479,585 km (0.093 R)
• M5: 6,154,456 km (0.093 R)
• M6: 8,755,365 km (0.105 R)
• M7: 9,227,047 km (0.037 R)
• M8: 11,013,694 km (0.113 R)
• M9: 12,248,924 km (0.032 R)
• M10: 14,927,175 km (0.104 R)
• M11: 16,652,337 km (0.106 R)
• M12: 18,972,002 km (0.104 R)
• M13: 19,925,240 km (0.062 R)
• M14: 21,077,442 km (0.115 R)
• M15: 24,336,432 km (0.096 R)
• M16: 28,529,511 km (0.08 R)
• M17: 32,057,627 km (0.114 R)
• M18: 35,152,657 km (0.118 R)
• M19: 35,747,010 km (0.039 R)
• M20: 39,327,036 km (0.059 R)
• M21: 42,599,639 km (0.072 R)
• M22: 43,275,223 km (0.103 R)
• M23: 46,049,665 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.2

Radius: 3.7

Gravity: 57.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.45 AU - 9.89 AU

Year: 15839 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,459,720 km

• M1: 46,226 km (0.062 R)
• M2: 233,522 km (0.049 R)
• M3: 375,939 km (0.105 R)
• M4: 617,839 km (0.118 R)
• M5: 888,462 km (0.111 R)
• M6: 1,546,393 km (0.093 R)
• M7: 1,747,602 km (0.109 R)
• M8: 1,947,315 km (0.109 R)
• M9: 3,001,532 km (0.086 R)
• M10: 3,766,874 km (0.091 R)
• M11: 5,556,215 km (0.04 R)
• M12: 5,947,862 km (0.08 R)
• M13: 6,441,684 km (0.093 R)
• M14: 6,785,759 km (0.108 R)
• M15: 8,386,008 km (0.071 R)
• M16: 9,767,544 km (0.102 R)
• M17: 10,106,533 km (0.078 R)
• M18: 12,770,123 km (0.082 R)
• M19: 13,381,380 km (0.082 R)
• M20: 14,083,144 km (0.066 R)
• M21: 20,510,466 km (0.107 R)
• M22: 21,441,863 km (0.107 R)
• M23: 24,199,550 km (0.052 R)
• M24: 25,876,692 km (0.098 R)
• M25: 30,644,974 km (0.11 R)
• M26: 34,258,361 km (0.115 R)
• M27: 35,567,343 km (0.113 R)
• M28: 38,703,961 km (0.114 R)
• M29: 42,019,798 km (0.08 R)
• M30: 43,065,337 km (0.041 R)
• M31: 50,371,099 km (0.061 R)
• M32: 52,748,359 km (0.086 R)
• M33: 52,920,845 km (0.108 R)
• M34: 59,762,554 km (0.094 R)
• M35: 60,138,194 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 6.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.61 AU - 9.19 AU

Year: 18008 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,459,720 km

• M1: 85,869 km (0.079 R)
• M2: 600,187 km (0.116 R)
• M3: 2,336,120 km (0.066 R)
• M4: 3,802,628 km (0.071 R)
• M5: 6,362,098 km (0.03 R)
• M6: 8,404,408 km (0.039 R)
• M7: 9,790,732 km (0.107 R)
• M8: 13,666,962 km (0.105 R)
• M9: 14,284,203 km (0.106 R)
• M10: 20,942,655 km (0.1 R)
• M11: 24,172,323 km (0.094 R)
• M12: 27,233,844 km (0.092 R)
• M13: 29,514,314 km (0.038 R)
• M14: 33,889,752 km (0.025 R)
• M15: 38,923,421 km (0.041 R)
• M16: 42,977,374 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.3

Radius: 5.7

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.52 AU - 11.56 AU

Year: 23209 Days

Day: 15.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,459,720 km

• M1: 70,909 km (0.086 R)
• M2: 369,507 km (0.034 R)
• M3: 911,201 km (0.095 R)
• M4: 1,297,163 km (0.081 R)
• M5: 1,712,297 km (0.098 R)
• M6: 2,277,628 km (0.089 R)
• M7: 2,727,169 km (0.113 R)
• M8: 4,260,697 km (0.103 R)
• M9: 6,205,020 km (0.042 R)
• M10: 6,427,173 km (0.051 R)
• M11: 7,568,755 km (0.066 R)
• M12: 9,007,886 km (0.074 R)
• M13: 11,594,284 km (0.118 R)
• M14: 12,555,899 km (0.09 R)
• M15: 12,768,777 km (0.064 R)
• M16: 14,249,646 km (0.049 R)
• M17: 17,284,388 km (0.111 R)
• M18: 18,173,149 km (0.073 R)
• M19: 18,445,567 km (0.027 R)
• M20: 18,812,979 km (0.049 R)
• M21: 20,822,827 km (0.118 R)
• M22: 24,044,866 km (0.099 R)
• M23: 25,039,093 km (0.088 R)
• M24: 26,639,641 km (0.075 R)
• M25: 27,703,730 km (0.074 R)
• M26: 29,539,895 km (0.098 R)
• M27: 31,455,645 km (0.057 R)
• M28: 32,777,941 km (0.112 R)
• M29: 33,046,768 km (0.094 R)
• M30: 35,250,494 km (0.079 R)
• M31: 35,958,840 km (0.115 R)
• M32: 40,255,141 km (0.108 R)
• M33: 46,217,215 km (0.111 R)
• M34: 48,793,141 km (0.095 R)
• M35: 50,205,195 km (0.103 R)
• M36: 63,325,527 km (0.094 R)
• M37: 66,498,198 km (0.068 R)
• M38: 73,847,942 km (0.108 R)
• M39: 75,006,727 km (0.081 R)
• M40: 78,555,787 km (0.028 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 11,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit