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19338 (1997 AB2)
Classification: Main-belt Asteroid          SPK-ID: 2019338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01505153584390533 3.861e-08  
a 2.565273716283551 1.4137e-08 au
q 2.526662406993481 9.6518e-08 au
i 15.50168584821064 5.2533e-06 deg
node 104.3576167411441 1.4708e-05 deg
peri 120.0498924191416 0.0001724 deg
M 142.9080561474117 0.00017208 deg
tp 2458404.764877792572
(2018-Oct-13.26487779)
0.00071698 TDB
period 1500.717662644931
4.11
1.2406e-05
3.397e-08
d
yr
n .2398852288881042 1.983e-09 deg/d
Q 2.603885025573621 1.435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      9764 days (26.73 yr)  
   first obs. used      1993-01-28  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:46:09  

Additional Information
 Earth MOID = 1.52543 au 
 Jupiter MOID = 2.50577 au 
 T_jup = 3.381 
[ 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 14.2   n/a MPO347674  
diameter diameter 5.564 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19338 (1997 AB2)          Discovered 1997-Jan-03 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AB2 = 1978 NP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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