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43540 (2001 EY13)
Classification: Main-belt Asteroid          SPK-ID: 2043540
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09084352300190605 3.7725e-08  
a 2.976508873314004 2.0669e-08 au
q 2.706112321015726 1.0905e-07 au
i 11.55080907584384 4.1853e-06 deg
node 87.13968058930728 1.9109e-05 deg
peri 225.1664903922263 2.9668e-05 deg
M 169.865233926275 2.4571e-05 deg
tp 2458315.463463142675
(2018-Jul-15.96346314)
0.00012571 TDB
period 1875.681950356726
5.14
1.9537e-05
5.349e-08
d
yr
n .1919301936725112 1.9992e-09 deg/d
Q 3.246905425612282 2.2547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      8210 days (22.48 yr)  
   first obs. used      1998-09-27  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:07  

Additional Information
 Earth MOID = 1.70296 au 
 Jupiter MOID = 1.97045 au 
 T_jup = 3.224 
[ 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 14.24   n/a MPCxxxxx  
diameter diameter 5.628 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 34.2148 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.154   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43540 (2001 EY13)          Discovered 2001-Mar-15 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EY13 = 2000 AG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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