+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5496 (1973 NA) Classification: Apollo [NEO]          SPK-ID: 2005496 [ 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 53 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6357456718642881 7.4033e-08   a 2.434716611314947 5.2447e-09 au q .8868560634553834 1.8083e-07 au i 68.01887451013842 3.3237e-05 deg node 101.030807297589 1.2864e-05 deg peri 118.0291581922866 2.0196e-05 deg M 140.3580767966622 9.4406e-06 deg tp 2458459.489164749286 (2018-Dec-06.98916475) 3.527e-05 TDB period 1387.62161134776 3.80 4.4837e-06 1.228e-08 d yr n .2594367203969544 8.383e-10 deg/d Q 3.982577159174512 8.5791e-09 au   Orbit Determination Parameters    # obs. used (total)      206      data-arc span      16244 days (44.47 yr)      first obs. used      1973-07-06      last obs. used      2017-12-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50009      source      ORB      producer      Otto Matic      solution date      2017-Dec-27 06:27:14   Additional Information  Earth MOID = .0906207 au   Jupiter MOID = 2.67122 au   T_jup = 2.532  [ hide covariance matrix ] Orbital Elements at Epoch 2455540.5 (2010-Dec-10.0) TDB Reference: JPL 53 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6368122950745937 7.441e-08   q .8842513262411589 1.8189e-07 au tp 2455684.730207275561 (2011-May-03.23020728) 3.0846e-05 TDB node 101.0823617074469 1.2877e-05 deg peri 118.1062637269031 2.0174e-05 deg i 68.00432693434864 3.3241e-05 deg   Orbit Determination Parameters    # obs. used (total)      206      data-arc span      16244 days (44.47 yr)      first obs. used      1973-07-06      last obs. used      2017-12-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50009      source      ORB      producer      Otto Matic      solution date      2017-Dec-27 06:27:14   Additional Information  Jupiter MOID = 2.67122 au   T_jup = 2.532  Orbit Covariance (6×6)   e q tp node peri i e 5.536799517710837E-15 -1.353409968726303E-14 6.074742207894023E-13 7.173006552356208E-14 6.730724746662859E-13 -8.300135117485151E-14 q -1.353409968726303E-14 3.308575630130648E-14 -1.459150186931609E-12 -1.778692013908349E-13 -1.635899465328895E-12 2.086373362305947E-13 tp 6.074742207894023E-13 -1.459150186931609E-12 9.514950891758505E-10 -4.15766502062479E-11 4.925179359225027E-10 7.484757624955394E-11 node 7.173006552356208E-14 -1.778692013908349E-13 -4.15766502062479E-11 1.658105215723568E-10 -6.857524366425816E-11 1.70164528560158E-11 peri 6.730724746662859E-13 -1.635899465328895E-12 4.925179359225027E-10 -6.857524366425816E-11 4.06976179950498E-10 2.580109151843067E-11 i -8.300135117485151E-14 2.086373362305947E-13 7.484757624955394E-11 1.70164528560158E-11 2.580109151843067E-11 1.104947867941737E-9 [ 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 16.0   n/a MPO279572   rotation period rot_per 2.855 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html] 5496 (1973 NA)          Discovered 1973-Jul-04 by Helin, E. F. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1916-Jul-03 17:58 < 00:01 Earth 0.0765222732454615 0.0765175461327737 0.0765270012711958 38.1146339882636 38.1137204264358 2421048.248419976 0.533033127465489 484.049527178528 39.3833925759173 -61.1984054440111 254848.287884566 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 1935-Jul-04 01:02 < 00:01 Earth 0.0790891039522467 0.079087017810409 0.0790911903964783 37.9060554378738 37.9051666621175 2427987.543358402 0.314012533785862 283.67006614743 39.7627945484722 -69.9841390831312 279976.41701833 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 1954-Jul-04 20:45 < 00:01 Earth 0.100727018709459 0.10072509769041 0.10072893980533 38.2171898640409 38.2164976959734 2434928.364393951 0.201860296303298 179.500783139335 38.909272054341 -60.0298758892449 337972.699999503 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 1973-Jul-02 07:38 < 00:01 Earth 0.0798421886349133 0.0798413430346892 0.0798430342353688 37.526006206114 37.5251168970404 2441865.817993825 0.105012284763422 89.4533998333194 42.0129521603657 87.3887597106956 284578.379845354 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 1992-Jun-26 22:31 < 00:01 Earth 0.152280859251113 0.152279865390524 0.152281853112074 36.0377495126118 36.0372639868242 2448800.438456878 0.0615512174251241 61.0681561828238 46.7796582381277 65.3602829110824 471238.933530535 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2011-Jun-24 05:11 < 00:01 Earth 0.240862025343147 0.240860908574292 0.24086314211385 35.1074418245564 35.107126725729 2455736.715862026 0.0652301156478439 80.1369890314928 45.5010580404125 60.8743219641585 732366.439931951 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2030-Jun-23 19:36 < 00:01 Earth 0.248856525217409 0.24885468705601 0.248858363385329 34.9844726733071 34.9841666250634 2462676.316878031 0.0987342329254301 119.267578755227 50.7491694554211 44.9911923183956 567236.936866894 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2049-Jun-24 04:02 < 00:01 Earth 0.236511861484192 0.236509162908539 0.236514560078868 35.07585737188 35.0755361884562 2469616.667926138 0.143648035507143 176.566298185512 50.9967676251978 42.5502377801133 494105.531095553 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2068-Jun-20 15:49 < 00:01 Earth 0.324564690773358 0.324561002119445 0.324568379448045 34.3778085794918 34.3775697794466 2476553.159003041 0.180791532370504 228.57548034424 55.1066974281978 37.712537030625 566034.817046794 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2121-Jul-20 10:14 < 00:01 Earth 0.44556254931789 0.445557549641228 0.445567549013194 43.2356152086453 43.2354768957322 2495939.926369909 0.272819708584601 289.322778871944 50.6797785391953 -31.0215271927537 695067.541952212 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2140-Jul-20 05:47 < 00:01 Earth 0.452045853784422 0.452040401013859 0.452051306578575 43.2502276046422 43.2500913214952 2502879.740908823 0.2982640809079 318.445892803939 50.7255777007757 -31.8188924698453 714401.175440151 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2159-Jul-17 13:29 < 00:01 Earth 0.377801787835472 0.377795851994362 0.377807723718933 41.9517390895089 41.9515709773021 2509816.061701608 0.330140137861344 358.271629199888 45.2952866648783 -34.608258185573 710477.504108806 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2178-Jul-11 06:18 < 00:01 Earth 0.246070003797173 0.246064319436576 0.246075688259137 39.6585195245931 39.6582464893694 2516749.762538278 0.342766215237686 378.779773254377 37.3974396205503 -41.8025296813091 654295.298437798 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 2197-Jul-05 17:36 < 00:01 Earth 0.151902610752764 0.151899262501682 0.151905959267168 37.7764737761217 37.776009444382 2523684.233076186 0.322415849869909 363.327005953414 35.3422298832278 -63.173785410205 573330.545339587 T 53 CATAB v2.0e-lin.ifort 2017-Dec-27 06:27:22 2018-Dec-17 15:39 Alternate Designations  1973 NA = 1992 OA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 20:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin