🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 8.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.14 AU - 1.28 AU

Year: 873 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 131.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,308,029 km

• M1: 108,159 km (0.06 R)
• M2: 384,766 km (0.099 R)
• M3: 992,881 km (0.077 R)
• M4: 1,476,980 km (0.099 R)
• M5: 2,320,861 km (0.115 R)
• M6: 3,314,939 km (0.076 R)
• M7: 3,612,938 km (0.08 R)
• M8: 4,014,309 km (0.076 R)
• M9: 6,366,437 km (0.08 R)
• M10: 6,645,437 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 14.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.14 AU - 1.28 AU

Year: 873 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,308,029 km

• M1: 176,675 km (0.081 R)
• M2: 678,127 km (0.092 R)
• M3: 1,161,029 km (0.047 R)
• M4: 2,084,198 km (0.119 R)
• M5: 2,625,443 km (0.064 R)
• M6: 3,455,860 km (0.075 R)
• M7: 4,205,346 km (0.087 R)
• M8: 5,098,295 km (0.114 R)
• M9: 5,967,309 km (0.103 R)
• M10: 6,548,198 km (0.088 R)
• M11: 7,478,098 km (0.116 R)
• M12: 8,898,530 km (0.118 R)
• M13: 9,486,001 km (0.113 R)
• M14: 10,069,433 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 14

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.43 AU - 1.55 AU

Year: 1193 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,308,029 km

• M1: 174,282 km (0.109 R)
• M2: 923,019 km (0.11 R)
• M3: 1,474,287 km (0.105 R)
• M4: 2,095,268 km (0.09 R)
• M5: 2,731,208 km (0.1 R)
• M6: 3,828,060 km (0.093 R)
• M7: 4,528,477 km (0.113 R)
• M8: 5,256,720 km (0.067 R)
• M9: 7,363,656 km (0.105 R)
• M10: 8,791,119 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.9

Radius: 9.7

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.49 AU - 3.53 AU

Year: 3426 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,308,029 km

• M1: 121,174 km (0.094 R)
• M2: 537,356 km (0.119 R)
• M3: 965,953 km (0.095 R)
• M4: 1,725,462 km (0.104 R)
• M5: 2,430,816 km (0.077 R)
• M6: 2,806,905 km (0.097 R)
• M7: 3,109,841 km (0.1 R)
• M8: 3,414,871 km (0.052 R)
• M9: 4,152,986 km (0.106 R)
• M10: 5,045,338 km (0.1 R)
• M11: 6,356,862 km (0.117 R)
• M12: 8,824,629 km (0.118 R)
• M13: 9,678,982 km (0.069 R)
• M14: 15,554,738 km (0.103 R)
• M15: 15,887,743 km (0.11 R)
• M16: 17,987,498 km (0.04 R)
• M17: 18,293,127 km (0.117 R)
• M18: 19,167,227 km (0.103 R)
• M19: 19,550,198 km (0.107 R)
• M20: 22,729,900 km (0.118 R)
• M21: 24,181,897 km (0.101 R)
• M22: 24,779,690 km (0.067 R)
• M23: 25,772,123 km (0.036 R)
• M24: 26,160,778 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 13.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.22 AU - 4.44 AU

Year: 5911 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,308,029 km

• M1: 176,825 km (0.089 R)
• M2: 812,616 km (0.1 R)
• M3: 2,020,319 km (0.059 R)
• M4: 2,449,516 km (0.112 R)
• M5: 3,201,843 km (0.052 R)
• M6: 4,265,933 km (0.084 R)
• M7: 4,757,212 km (0.107 R)
• M8: 5,358,297 km (0.087 R)
• M9: 7,027,360 km (0.034 R)
• M10: 8,092,946 km (0.089 R)
• M11: 8,952,086 km (0.119 R)
• M12: 9,834,714 km (0.108 R)
• M13: 11,048,102 km (0.089 R)
• M14: 11,732,213 km (0.093 R)
• M15: 12,487,233 km (0.066 R)
• M16: 14,234,088 km (0.107 R)
• M17: 16,240,943 km (0.088 R)
• M18: 18,043,149 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 14

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.4 AU - 4.5 AU

Year: 6158 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,308,029 km

• M1: 174,431 km (0.081 R)
• M2: 716,723 km (0.059 R)
• M3: 1,424,770 km (0.039 R)
• M4: 2,033,185 km (0.096 R)
• M5: 4,467,142 km (0.102 R)
• M6: 6,541,915 km (0.094 R)
• M7: 14,771,892 km (0.101 R)
• M8: 17,981,664 km (0.078 R)
• M9: 20,250,914 km (0.06 R)
• M10: 21,984,753 km (0.026 R)
• M11: 26,144,621 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.7

Radius: 3.4

Gravity: 39.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.69 AU - 10.91 AU

Year: 21685 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,308,029 km

• M1: 43,383 km (0.065 R)
• M2: 243,545 km (0.081 R)
• M3: 363,672 km (0.067 R)
• M4: 864,227 km (0.115 R)
• M5: 1,153,400 km (0.087 R)
• M6: 1,503,608 km (0.118 R)
• M7: 1,846,187 km (0.102 R)
• M8: 2,135,510 km (0.114 R)
• M9: 2,432,162 km (0.092 R)
• M10: 3,459,152 km (0.078 R)
• M11: 4,242,596 km (0.064 R)
• M12: 4,438,868 km (0.087 R)
• M13: 5,512,831 km (0.07 R)
• M14: 7,244,726 km (0.093 R)
• M15: 8,513,016 km (0.105 R)
• M16: 8,772,868 km (0.043 R)
• M17: 9,639,937 km (0.089 R)
• M18: 9,865,381 km (0.107 R)
• M19: 12,382,066 km (0.058 R)
• M20: 13,192,438 km (0.065 R)
• M21: 13,751,934 km (0.082 R)
• M22: 16,227,779 km (0.104 R)
• M23: 17,362,179 km (0.114 R)
• M24: 18,548,490 km (0.099 R)
• M25: 20,705,991 km (0.089 R)
• M26: 22,825,494 km (0.054 R)
• M27: 23,732,655 km (0.077 R)
• M28: 28,515,598 km (0.106 R)
• M29: 29,923,464 km (0.119 R)
• M30: 35,749,254 km (0.099 R)
• M31: 38,501,705 km (0.105 R)
• M32: 42,136,933 km (0.104 R)
• M33: 42,587,821 km (0.114 R)
• M34: 46,953,685 km (0.052 R)
• M35: 50,755,416 km (0.048 R)
• M36: 54,401,266 km (0.097 R)
• M37: 57,477,596 km (0.117 R)
• M38: 60,096,307 km (0.09 R)
• M39: 63,973,734 km (0.089 R)
• M40: 64,968,560 km (0.076 R)
• M41: 65,369,333 km (0.05 R)
• M42: 67,808,676 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 19,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit