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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01488674762141311 3.8119e-08  
a 2.565653446433587 1.2227e-08 au
q 2.527459211092522 9.5983e-08 au
i 15.50153867437427 3.9339e-06 deg
node 104.358889209572 1.3673e-05 deg
peri 119.8806516360991 0.00014545 deg
M 191.0572269069742 0.00014755 deg
tp 2459904.921391177582
(2022-Nov-21.42139118)
0.0006176 TDB
period 1501.0508954076
4.11
1.073e-05
2.938e-08
d
yr
n .2398319744529678 1.7144e-09 deg/d
Q 2.603847681774653 1.2409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1616  
   data-arc span      10245 days (28.05 yr)  
   first obs. used      1993-01-28  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:07  

Additional Information
 Earth MOID = 1.52436 au 
 Jupiter MOID = 2.50476 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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