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JPL Small-Body Database Browser
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146844 (2002 AP79)
Classification: Main-belt Asteroid          SPK-ID: 2146844
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048725118602068 5.088e-08  
a 3.001206718258484 2.9272e-08 au
q 2.686462631102988 1.6485e-07 au
i 3.902215850023361 5.5211e-06 deg
node 88.93380063590317 8.1813e-05 deg
peri 190.7814458737297 8.6966e-05 deg
M 306.4687728695866 2.9561e-05 deg
tp 2458882.888489354413
(2020-Feb-03.38848935)
0.00015606 TDB
period 1899.075765999608
5.20
2.7783e-05
7.607e-08
d
yr
n .1895658964456894 2.7733e-09 deg/d
Q 3.315950805413979 3.2341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7812 days (21.39 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:48  

Additional Information
 Earth MOID = 1.66957 au 
 Jupiter MOID = 1.79476 au 
 T_jup = 3.241 
[ 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 15.4   n/a MPO436737  
diameter diameter 3.398 km 0.744 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146844 (2002 AP79)          Discovered 2002-Jan-08 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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