Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27996 (1997 WJ5)
Classification: Main-belt Asteroid          SPK-ID: 2027996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708730252237046 4.6478e-08  
a 3.16114058714573 2.3633e-08 au
q 2.620986931862701 1.476e-07 au
i 1.694934852448885 4.346e-06 deg
node 151.8714536443585 0.00017438 deg
peri 91.86339958862924 0.00017505 deg
M 98.47940463052031 2.0238e-05 deg
tp 2458038.925916787872
(2017-Oct-12.42591679)
0.00011157 TDB
period 2052.882739440442
5.62
2.3021e-05
6.303e-08
d
yr
n .175363157906489 1.9665e-09 deg/d
Q 3.70129424242876 2.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      10287 days (28.16 yr)  
   first obs. used      1991-09-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:10:17  

Additional Information
 Earth MOID = 1.60851 au 
 Jupiter MOID = 1.32196 au 
 T_jup = 3.181 
[ 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 14.5   n/a MPO412385  
diameter diameter 7.398 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27996 (1997 WJ5)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
1930-Dec-23 00:26 00:03 Jupiter 1.75426972336134 1.75426706848852 1.75427237822768 2.02632282657337 1.7720932668557 2426333.517758335 3.46160866914026 67.3130482500887 15.7886813758299 81.3505709275409 557177.304601762 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
1941-Sep-04 20:33 00:03 Jupiter 1.39864915973985 1.3986479827305 1.3986503367497 0.980262963978552 n/a 2430242.356022001 2.66442011865196 78.6082830499054 36.0535767738147 -48.4692703100877 4687350.09817963 F 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
1952-Jun-12 02:21 00:02 Jupiter 1.39828338251465 1.39828246927179 1.39828429579201 1.12567194837374 0.235838209457204 2434175.597946207 2.08676043009728 26504.0561713905 1088.38273098188 -2.43279449273333 1084548.48614509 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
1963-Feb-12 18:24 00:02 Jupiter 1.75667231564261 1.75667095092222 1.75667368036321 2.55734830989404 2.36128809525656 2438073.266332468 1.6974813605848 94.9639957706394 12.4952910494164 -75.7957725231961 1551638.10127143 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2049-Jun-15 14:15 00:01 Jupiter 1.64398678667565 1.64398600125492 1.64398757209497 1.61632595194269 1.25779977901568 2469608.093651900 1.44111101871237 88.5802783077627 67.1495643010806 -13.5208968175766 1357230.2403826 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2060-Mar-08 21:40 00:02 Jupiter 1.36659309555092 1.36659257958289 1.36659361151905 0.905400792077843 n/a 2473527.402962584 1.91954941602923 61.5779491952855 24.1233392454951 -80.9133916377437 8381846.44506446 F 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2070-Dec-09 08:12 00:03 Jupiter 1.47246733713352 1.47246605192774 1.47246862233427 1.38391160403629 0.874488866690549 2477454.841512810 2.68748136389743 639.202894433328 149.882269074047 16.0323535108736 923474.943609657 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2081-Aug-06 02:06 00:03 Jupiter 1.87364015663368 1.87363805510268 1.87364225816712 3.13110208970692 2.98322876773379 2481347.587530208 3.24356659197726 160.116054460856 20.5304884465656 -63.9214658221416 1913588.99057146 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2157-Apr-02 15:35 00:06 Jupiter 1.97120606527483 1.97120229210984 1.97120983844084 2.76259790515781 2.60241272382391 2508980.149080617 5.75025428337536 216.112287890074 29.9115104478215 -58.9443384493631 1311210.41503153 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2167-Dec-09 11:28 00:06 Jupiter 1.54925273251524 1.54924943342581 1.54925603157728 1.29915575054002 0.770938531980587 2512882.977672566 6.23698968996324 1747.43254170698 137.447702937311 -13.2527831161886 918729.956358756 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2178-Sep-09 19:27 00:07 Jupiter 1.36586116193022 1.3658606335941 1.36586169026733 0.919882122618939 n/a 2516810.310323231 6.52720394235096 185.45929210647 24.9863809038739 87.394401050057 8166481.16812181 F 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2189-May-30 02:28 00:08 Jupiter 1.56892237101005 1.56891807216234 1.56892666986313 1.76036146510956 1.42095805207459 2520725.602481007 7.83338842024376 576.305633659732 48.2315726699093 54.773377466176 1325020.78022538 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10
2200-Jan-25 11:41 00:08 Jupiter 1.99135076828142 1.9913454061987 1.99135613037999 3.7518832636671 3.63674669880856 2524617.986599762 8.12566658557044 393.788788155839 24.0882306771353 -56.2881323046421 2082465.21576791 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 01:10:23 2019-Dec-04 01:10

Alternate Designations
 1997 WJ5 = 2000 EV41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 16:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin