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5496 (1973 NA)
Classification: Apollo [NEO]          SPK-ID: 2005496
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6355520114752621 7.4035e-08  
a 2.435004821080598 5.2521e-09 au
q .8874326090908634 1.8085e-07 au
i 68.01666571257635 3.3236e-05 deg
node 101.0359798074545 1.2861e-05 deg
peri 118.0283365292576 2.0202e-05 deg
M 192.2438117110487 9.5629e-06 deg
tp 2459847.231797030178
(2022-Sep-24.73179703)		 3.8293e-05 TDB
period 1387.868008361265
3.80		 4.4903e-06
1.229e-08		 d
yr
n .2593906609498641 8.3923e-10 deg/d
Q 3.982577033070334 8.5901e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:36:58  

Additional Information
 Earth MOID = .089542 au 
 Jupiter MOID = 2.67013 au 
 T_jup = 2.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455540.5 (2010-Dec-10.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6368122816052313 7.441e-08  
q .8842513592993999 1.8189e-07 au
tp 2455684.730205965439
(2011-May-03.23020597)		 3.0846e-05 TDB
node 101.0823640155528 1.2877e-05 deg
peri 118.1062649738597 2.0174e-05 deg
i 68.00432641617476 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:36:58  

Additional Information
 Jupiter MOID = 2.67013 au 
 T_jup = 2.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.536800763332742E-15 -1.353410272448525E-14 6.074742280755583E-13 7.173012127973597E-14 6.730725964785984E-13 -8.300145944819552E-14
q -1.353410272448525E-14 3.308576370552115E-14 -1.459150220969165E-12 -1.778693330043325E-13 -1.635899780656972E-12 2.086375854545398E-13
tp 6.074742280755583E-13 -1.459150220969165E-12 9.514952184279022E-10 -4.157662924550431E-11 4.925179861755346E-10 7.484751286404084E-11
node 7.173012127973597E-14 -1.778693330043325E-13 -4.157662924550431E-11 1.658105121172496E-10 -6.857523289178206E-11 1.701651146125015E-11
peri 6.730725964785984E-13 -1.635899780656972E-12 4.925179861755346E-10 -6.857523289178206E-11 4.069762192667434E-10 2.580105291317921E-11
i -8.300145944819552E-14 2.086375854545398E-13 7.484751286404084E-11 1.701651146125015E-11 2.580105291317921E-11 1.104947732576413E-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.DBLast 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 0.0765224483253059 0.076517721205413 0.0765271763734716 38.114636901336 38.113723341668 2421048.248433757 0.532621923783099 487.125043447348 39.4060116200475 -61.398712486444 255172.740418016 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
1935-Jul-04 01:02 < 00:01 Earth 0.0790891869838334 0.0790871008384433 0.0790912734371923 37.9060566488784 37.9051678740835 2427987.543366556 0.313342429832402 285.943408065468 39.7807907671583 -70.1546226515604 280132.268045455 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
1954-Jul-04 20:45 < 00:01 Earth 0.100727062365808 0.100725141347455 0.100728983462964 38.2171897902427 38.2164976224737 2434928.364397848 0.201866308440566 181.173395076871 38.9472365971537 -60.3539665892428 338611.925492843 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
1973-Jul-02 07:38 < 00:01 Earth 0.0798422109231494 0.0798413653227574 0.0798430565237775 37.52600536926 37.5251160604146 2441865.817995416 0.104497409479592 90.2812219980351 42.0094611534104 87.3902612057838 284614.428382957 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
1992-Jun-26 22:31 < 00:01 Earth 0.152280911419234 0.152279917558807 0.152281905280077 36.0377485410424 36.037263015408 2448800.438457784 0.0612861693613456 61.8045773696621 46.6040879360275 65.4605555263988 472486.466878151 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2011-Jun-24 05:11 < 00:01 Earth 0.240862073219862 0.240860956451086 0.240863189990705 35.1074409874105 35.1071258886382 2455736.715862922 0.0655877336618791 82.2938650813919 45.3216335283062 61.8933891634069 738066.999653347 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2030-Jun-23 19:36 < 00:01 Earth 0.248856511486438 0.248854673325876 0.248858349654624 34.9844724072378 34.9841663589749 2462676.316881788 0.0990823704862678 123.147820325877 50.4615186553438 47.0629895885322 582068.054485072 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2049-Jun-24 04:02 < 00:01 Earth 0.236511819442801 0.236509120869013 0.236514518038543 35.0758573778756 35.0755361943947 2469616.667930890 0.143418590237166 182.116211117759 50.7590801476013 44.555993960054 510958.563731469 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2068-Jun-20 15:49 < 00:01 Earth 0.324564597306217 0.324560908655654 0.324568285983328 34.3778088591444 34.3775700590323 2476553.159009750 0.183469689371164 239.497506949008 54.9881198954631 41.1478380883451 602879.197236491 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2121-Jul-20 10:14 < 00:01 Earth 0.445562891977978 0.445557892304613 0.445567891676544 43.2356203792005 43.2354820664104 2495939.926387909 0.298613942090554 302.046556047492 49.742135814195 -34.913587634917 775386.52529862 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2140-Jul-20 05:47 < 00:01 Earth 0.452046204457925 0.45204075169066 0.452051657257026 43.2502329435337 43.2500966605092 2502879.740927194 0.327121003350164 333.130963885565 49.7779472446406 -35.7536847007152 797663.053126597 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2159-Jul-17 13:29 < 00:01 Earth 0.377802113756355 0.37779617791661 0.377808049647857 41.9517437950409 41.951575682998 2509816.061718721 0.352076583555008 370.631768053491 44.8339371997049 -37.3206948454037 762731.047907595 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2178-Jul-11 06:18 < 00:01 Earth 0.24607030385658 0.246064619494702 0.246075988329196 39.6585236926375 39.6582506577754 2516749.762555588 0.350156234123322 386.410713709198 37.3536197964335 -43.0639190055736 670346.292704705 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37
2197-Jul-05 17:36 < 00:01 Earth 0.151902805499208 0.151899457244473 0.151906154028612 37.7764775511536 37.7760132200555 2523684.233093519 0.320863005479794 369.466507011889 35.3747479902022 -63.6596340663462 575151.530993358 T 54 CATAB v2.0f-lin.ifort 2021-Apr-12 17:37:05 2021-Apr-12 17:37

Alternate Designations
 1973 NA = 1992 OA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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