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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06031665805565435 3.9429e-08  
a 3.187820860623609 3.5931e-08 au
q 2.995542159830693 1.3085e-07 au
i 12.17213368795098 4.4702e-06 deg
node 123.4384244519832 2.3944e-05 deg
peri 169.4343527184708 4.8423e-05 deg
M 268.9749956829804 4.3188e-05 deg
tp 2459526.151002110201
(2021-Nov-07.65100211)
0.00025154 TDB
period 2078.927237406238
5.69
3.5148e-05
9.623e-08
d
yr
n .1731662337779325 2.9277e-09 deg/d
Q 3.380099561416525 3.8098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Earth MOID = 1.98041 au 
 Jupiter MOID = 1.83699 au 
 T_jup = 3.160 
[ 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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