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442560 (2012 AR14)
Classification: Main-belt Asteroid          SPK-ID: 2442560
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294163667527831 1.2092e-07  
a 3.086580567305946 5.4323e-08 au
q 2.687126524595466 3.7959e-07 au
i 14.81668128823575 1.0064e-05 deg
node 273.2752775399777 3.7302e-05 deg
peri 188.9530867756117 6.225e-05 deg
M 208.0508359855522 4.6818e-05 deg
tp 2459836.508450830708
(2022-Sep-14.00845083)
0.00026529 TDB
period 1980.682448969832
5.42
5.2289e-05
1.432e-07
d
yr
n .1817555359200758 4.7983e-09 deg/d
Q 3.486034610016425 6.1353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      2000-12-03  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:58  

Additional Information
 Earth MOID = 1.70493 au 
 Jupiter MOID = 1.71399 au 
 T_jup = 3.162 
[ 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 15.8   n/a MPO434644  
diameter diameter 3.397 km 0.639 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442560 (2012 AR14)          Discovered 2000-Dec-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 AR14 = 2000 XO1 = 2010 NB60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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