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185565 (2008 AR42)
Classification: Main-belt Asteroid          SPK-ID: 2185565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101629871903991 7.2839e-08  
a 3.054828911540185 2.9809e-08 au
q 2.744367040571748 2.2472e-07 au
i 8.934513401714995 5.6763e-06 deg
node 282.2503164738222 4.7823e-05 deg
peri 233.065475725322 5.9465e-05 deg
M 84.47360167341897 3.3427e-05 deg
tp 2458542.888135524443
(2019-Feb-28.38813552)
0.00018041 TDB
period 1950.198262506885
5.34
2.8545e-05
7.815e-08
d
yr
n .1845966161087835 2.702e-09 deg/d
Q 3.365290782508622 3.2839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      9973 days (27.30 yr)  
   first obs. used      1992-01-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:06:43  

Additional Information
 Earth MOID = 1.76649 au 
 Jupiter MOID = 1.73914 au 
 T_jup = 3.209 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO297180  
diameter diameter 4.944 km 0.525 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185565 (2008 AR42)          Discovered 2008-Jan-10 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1915-Apr-11 17:55 00:05 Jupiter 1.73073162212563 1.73073075430251 1.73073248996871 2.33586438013368 2.11600084114284 2420599.246748616 4.93888547597691 775.439757867081 35.7690603199044 82.735032667407 1432726.04176866 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
1963-Nov-27 23:12 00:03 Jupiter 1.83598856529241 1.8359875024978 1.83598962808608 2.21460944891954 1.99544651283779 2438361.466885468 2.66424870911107 107.386735560752 28.4973077576579 -75.5355620298825 1004274.45086143 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
1973-Mar-30 12:59 00:02 Jupiter 1.87067598810375 1.87067509787721 1.87067687833231 3.5956924458023 3.46748108710527 2441772.041069310 1.85313156918958 163.821295667315 27.2606762621531 80.683901105218 1869664.4572406 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2021-Sep-30 11:16 < 00:01 Jupiter 1.73429561366086 1.73429488159519 1.73429634572742 2.56387324406786 2.36572496642313 2459487.969178034 0.602365497586929 270.675862425482 30.6554752194876 84.5987328924907 1760571.01232658 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2070-May-13 08:54 00:03 Jupiter 1.7851241680693 1.78512308957016 1.78512524656681 1.91192968694729 1.64514324756273 2477244.870947683 3.0337208997749 117.87445599511 50.6433438723787 -68.6669742295915 926777.799453528 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2079-Sep-28 18:55 00:03 Jupiter 1.953318299444 1.95331654507588 1.95332005381957 3.8641887915726 3.75029196108412 2480670.288394778 2.99793121261456 235.243335068449 33.4028127673387 72.2056367089032 1858062.66266534 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2118-Dec-18 12:59 00:05 Jupiter 1.93431615466539 1.93431431404828 1.93431799529371 3.41371170496227 3.28293201669719 2494995.040703579 4.92370669361441 286.006448237912 34.941175068787 81.0994155033798 1695217.00142154 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2128-Mar-25 08:35 00:06 Jupiter 1.76348703136578 1.76348581259867 1.76348825013179 2.83397761621763 2.6590988686393 2498379.857364436 5.50462716567998 198.645446143038 28.0767534159672 85.4235980438855 653651.275101714 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07
2176-Oct-28 15:21 00:09 Jupiter 1.75946325229118 1.75946196587266 1.75946453874211 1.82226169223867 1.53551895383898 2516129.139847399 8.65913508399942 622.95150364253 64.4033375896068 81.4270905791018 1189797.35381621 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 20:06:59 2020-Feb-24 20:07

Alternate Designations
 2008 AR42 = 1998 FZ106 = 2006 UK190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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