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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 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6355520249599996 7.4035e-08  
a 2.435004819833055 5.2514e-09 au
q .887432575800798 1.8085e-07 au
i 68.01666623940247 3.3236e-05 deg
node 101.0359775011137 1.2861e-05 deg
peri 118.0283353026752 2.0202e-05 deg
M 192.2438120890212 9.5626e-06 deg
tp 2459847.231795076006
(2022-Sep-24.73179508)
3.8292e-05 TDB
period 1387.868007294681
3.80
4.4897e-06
1.229e-08
d
yr
n .2593906611492073 8.3912e-10 deg/d
Q 3.982577063865313 8.589e-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 = .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 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 = 2.67013 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.DBLast Updated: 2003-08-29

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