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442865 (2013 AP171)
Classification: Main-belt Asteroid          SPK-ID: 2442865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08003225342906534 9.251e-08  
a 2.948855388034774 9.7711e-08 au
q 2.71285184629391 3.0027e-07 au
i 10.74487146414765 1.0501e-05 deg
node 202.8422312899118 5.3521e-05 deg
peri 86.87106210777013 8.7225e-05 deg
M 278.3707736288929 7.117e-05 deg
tp 2459019.893620044743
(2020-Jun-19.39362004)
0.00037415 TDB
period 1849.603505118454
5.06
9.1931e-05
2.517e-07
d
yr
n .1946363093515789 9.674e-09 deg/d
Q 3.184858929775638 1.0553e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3264 days (8.94 yr)  
   first obs. used      2010-05-01  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:18:07  

Additional Information
 Earth MOID = 1.724 au 
 Jupiter MOID = 1.96433 au 
 T_jup = 3.239 
[ 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 16.8   n/a MPO434645  
diameter diameter 2.694 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442865 (2013 AP171)          Discovered 2010-May-01 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AP171 = 2010 JM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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