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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335248722317982 1.1899e-08  
a 2.45434673730419 8.4614e-09 au
q 1.881195729062698 2.8017e-08 au
i 8.565088320978452 8.0206e-07 deg
node 109.6481528727284 7.7383e-06 deg
peri 250.78840562 1.1602e-05 deg
M 175.1526509977359 8.5291e-06 deg
tp 2458517.191981088096
(2019-Feb-02.69198109)
3.1505e-05 TDB
period 1404.437131879125
3.85
7.2627e-06
1.988e-08
d
yr
n .2563304485679063 1.3256e-09 deg/d
Q 3.027497745545682 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2098  
   data-arc span      14764 days (40.42 yr)  
   first obs. used      1980-10-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:06  

Additional Information
 Earth MOID = .896399 au 
 Jupiter MOID = 2.4678 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 13.66   n/a E2021B10  
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. 2020-October); 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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