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JPL Small-Body Database Browser
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153814 (2001 WN5)
Classification: Apollo [NEO, PHA]          SPK-ID: 2153814
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 138 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4670902894184648 1.4419e-08  
a 1.71189651326091 3.3864e-09 au
q .9122862754274108 2.5751e-08 au
i 1.920032877265214 2.7272e-06 deg
node 277.5058976509946 0.0001227 deg
peri 44.53740550520732 0.00012243 deg
M 310.3213393195421 4.6522e-06 deg
tp 2458713.396912770827
(2019-Aug-17.89691277)
1.0852e-05 TDB
period 818.115626323347
2.24
2.4275e-06
6.646e-09
d
yr
n .4400355993905876 1.3057e-09 deg/d
Q 2.511506751094409 4.9681e-09 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-18 06:02:27  

Additional Information
 Earth MOID = .00175661 au 
 Jupiter MOID = 2.8337 au 
 T_jup = 4.053 
[ 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 18.2   n/a MPO432982  
diameter diameter 0.932 km 0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.097   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

153814 (2001 WN5)          Discovered 2001-Nov-20 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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