🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 10.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.87 AU

Year: 429 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,212,040 km

• M1: 130,599 km (0.094 R)
• M2: 501,003 km (0.051 R)
• M3: 920,625 km (0.06 R)
• M4: 1,308,084 km (0.044 R)
• M5: 1,638,246 km (0.049 R)
• M6: 2,695,604 km (0.102 R)
• M7: 3,039,829 km (0.108 R)
• M8: 3,667,093 km (0.114 R)
• M9: 4,708,443 km (0.116 R)
• M10: 5,226,800 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.6

Radius: 8.7

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.11 AU - 1.17 AU

Year: 856 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,212,040 km

• M1: 108,907 km (0.116 R)
• M2: 424,708 km (0.114 R)
• M3: 725,400 km (0.118 R)
• M4: 1,038,209 km (0.093 R)
• M5: 1,481,617 km (0.086 R)
• M6: 1,997,580 km (0.091 R)
• M7: 2,309,043 km (0.077 R)
• M8: 2,677,054 km (0.099 R)
• M9: 3,110,738 km (0.069 R)
• M10: 3,546,367 km (0.089 R)
• M11: 3,911,236 km (0.08 R)
• M12: 4,284,184 km (0.099 R)
• M13: 5,101,736 km (0.096 R)
• M14: 5,935,744 km (0.107 R)
• M15: 7,185,485 km (0.11 R)
• M16: 7,821,874 km (0.08 R)
• M17: 8,310,162 km (0.116 R)
• M18: 8,818,794 km (0.101 R)
• M19: 9,663,873 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.3

Radius: 14.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.97 AU - 1.35 AU

Year: 878 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,212,040 km

• M1: 185,352 km (0.109 R)
• M2: 668,553 km (0.111 R)
• M3: 1,298,210 km (0.1 R)
• M4: 1,805,796 km (0.085 R)
• M5: 2,371,725 km (0.09 R)
• M6: 3,042,821 km (0.119 R)
• M7: 3,778,393 km (0.095 R)
• M8: 4,376,935 km (0.083 R)
• M9: 4,858,041 km (0.115 R)
• M10: 5,726,008 km (0.097 R)
• M11: 7,771,310 km (0.108 R)
• M12: 9,178,129 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 13.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.63 AU - 1.85 AU

Year: 1613 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,212,040 km

• M1: 174,132 km (0.086 R)
• M2: 625,170 km (0.089 R)
• M3: 1,254,977 km (0.051 R)
• M4: 1,722,919 km (0.064 R)
• M5: 2,229,158 km (0.097 R)
• M6: 4,327,866 km (0.075 R)
• M7: 5,094,256 km (0.11 R)
• M8: 7,728,974 km (0.075 R)
• M9: 8,451,532 km (0.106 R)
• M10: 8,888,806 km (0.049 R)
• M11: 10,825,052 km (0.098 R)
• M12: 12,461,203 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 11.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.84 AU - 1.94 AU

Year: 1826 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,212,040 km

• M1: 145,708 km (0.097 R)
• M2: 1,044,343 km (0.114 R)
• M3: 1,579,754 km (0.057 R)
• M4: 2,359,906 km (0.115 R)
• M5: 2,985,824 km (0.118 R)
• M6: 3,467,379 km (0.118 R)
• M7: 4,329,512 km (0.052 R)
• M8: 4,875,395 km (0.108 R)
• M9: 5,486,652 km (0.115 R)
• M10: 5,936,044 km (0.084 R)
• M11: 6,932,365 km (0.119 R)
• M12: 7,385,198 km (0.104 R)
• M13: 7,781,782 km (0.061 R)
• M14: 8,483,546 km (0.076 R)
• M15: 9,002,201 km (0.107 R)
• M16: 9,953,494 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.4

Radius: 8

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.62 AU - 8.28 AU

Year: 14294 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 33,212,040 km

• M1: 101,727 km (0.114 R)
• M2: 403,316 km (0.117 R)
• M3: 774,618 km (0.081 R)
• M4: 1,324,240 km (0.111 R)
• M5: 1,922,333 km (0.063 R)
• M6: 2,171,563 km (0.072 R)
• M7: 2,464,176 km (0.12 R)
• M8: 2,977,596 km (0.108 R)
• M9: 4,154,333 km (0.115 R)
• M10: 4,846,971 km (0.098 R)
• M11: 5,538,113 km (0.089 R)
• M12: 6,588,141 km (0.117 R)
• M13: 7,251,158 km (0.078 R)
• M14: 9,344,930 km (0.096 R)
• M15: 11,311,843 km (0.032 R)
• M16: 12,326,715 km (0.065 R)
• M17: 18,156,993 km (0.069 R)
• M18: 20,083,963 km (0.108 R)
• M19: 20,817,292 km (0.101 R)
• M20: 23,929,825 km (0.08 R)
• M21: 24,546,019 km (0.096 R)
• M22: 26,349,720 km (0.104 R)
• M23: 26,786,546 km (0.098 R)
• M24: 30,938,635 km (0.103 R)
• M25: 31,670,019 km (0.114 R)
• M26: 37,526,775 km (0.053 R)
• M27: 38,218,965 km (0.055 R)
• M28: 39,060,902 km (0.064 R)
• M29: 41,366,354 km (0.108 R)
• M30: 41,808,416 km (0.071 R)
• M31: 42,552,366 km (0.118 R)
• M32: 56,948,917 km (0.114 R)
• M33: 60,853,422 km (0.091 R)
• M34: 61,425,335 km (0.057 R)
• M35: 62,193,520 km (0.097 R)
• M36: 66,130,636 km (0.119 R)
• M37: 67,140,272 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.7

Radius: 3.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.99 AU - 8.69 AU

Year: 15431 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,212,040 km

• M1: 46,076 km (0.1 R)
• M2: 211,831 km (0.118 R)
• M3: 344,524 km (0.102 R)
• M4: 551,867 km (0.09 R)
• M5: 838,346 km (0.057 R)
• M6: 1,195,137 km (0.106 R)
• M7: 1,767,200 km (0.08 R)
• M8: 3,088,448 km (0.073 R)
• M9: 5,356,053 km (0.101 R)
• M10: 5,594,212 km (0.117 R)
• M11: 6,027,897 km (0.116 R)
• M12: 6,384,089 km (0.054 R)
• M13: 6,550,592 km (0.09 R)
• M14: 10,382,691 km (0.089 R)
• M15: 12,067,611 km (0.111 R)
• M16: 14,037,965 km (0.114 R)
• M17: 21,660,724 km (0.095 R)
• M18: 32,422,347 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 14,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit