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19337 (1997 AT)
Classification: Main-belt Asteroid          SPK-ID: 2019337
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333387713586692 3.5434e-08  
a 2.454668372089666 1.044e-08 au
q 1.881899070053279 8.4258e-08 au
i 8.565224263495665 4.5582e-06 deg
node 109.6494790090363 2.5278e-05 deg
peri 250.7880058733866 2.8073e-05 deg
M 123.9008306525987 1.5932e-05 deg
tp 2458517.041295067588
(2019-Feb-02.54129507)
6.0171e-05 TDB
period 1404.713211840102
3.85
8.9613e-06
2.453e-08
d
yr
n .2562800698146909 1.6349e-09 deg/d
Q 3.027437674126054 1.2876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      14359 days (39.31 yr)  
   first obs. used      1980-10-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:46:09  

Additional Information
 Earth MOID = .898705 au 
 Jupiter MOID = 2.46702 au 
 T_jup = 3.441 
[ 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 13.6   n/a MPO452444  
diameter diameter 9.230 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.041 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.093   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19337 (1997 AT)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AT = 1980 TN13 = 1998 HE139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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