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160940 (2002 AK5)
Classification: Main-belt Asteroid          SPK-ID: 2160940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2453343919121642 9.9643e-08  
a 2.553411001322631 1.2981e-08 au
q 1.926971466011313 2.6085e-07 au
i 6.257527655681535 5.9087e-06 deg
node 91.41771940707436 4.4943e-05 deg
peri 338.4024035402777 4.6248e-05 deg
M 218.1873476637695 1.0037e-05 deg
tp 2459587.572846436929
(2022-Jan-08.07284644)
4.4534e-05 TDB
period 1490.319948435937
4.08
1.1364e-05
3.111e-08
d
yr
n .2415588681999549 1.842e-09 deg/d
Q 3.179850536633949 1.6165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1998-03-04  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:45  

Additional Information
 Earth MOID = .943076 au 
 Jupiter MOID = 2.12695 au 
 T_jup = 3.388 
[ 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 16.1   n/a MPO338317  
diameter diameter 1.513 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160940 (2002 AK5)          Discovered 2002-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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