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146839 (2002 AK49)
Classification: Main-belt Asteroid          SPK-ID: 2146839
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05999621729305788 4.3535e-08  
a 3.189198512586563 3.9527e-08 au
q 2.997858665634722 1.3821e-07 au
i 12.17085670039658 4.7875e-06 deg
node 123.4343150843567 2.4805e-05 deg
peri 169.1223792549568 4.9559e-05 deg
M 200.0419193831008 4.3418e-05 deg
tp 2459524.824447101824
(2021-Nov-06.32444710)
0.00025373 TDB
period 2080.275030016219
5.70
3.8675e-05
1.059e-07
d
yr
n .1730540408386257 3.2173e-09 deg/d
Q 3.380538359538403 4.1899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:31:05  

Additional Information
 Earth MOID = 1.98205 au 
 Jupiter MOID = 1.83454 au 
 T_jup = 3.159 
[ 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 14.9   n/a MPO436737  
diameter diameter 6.904 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146839 (2002 AK49)          Discovered 2002-Jan-09 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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