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JPL Small-Body Database Browser
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26340 Evamarkova (1998 XY8)
Classification: Main-belt Asteroid          SPK-ID: 2026340
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922751650651808 4.0135e-08  
a 2.366569151798021 8.7631e-09 au
q 1.911536677497891 9.6239e-08 au
i 10.80428318980046 4.3024e-06 deg
node 277.7682775227208 2.9088e-05 deg
peri 134.7810179582965 3.2578e-05 deg
M 229.0393848674035 1.4229e-05 deg
tp 2459084.243821583588
(2020-Aug-22.74382158)
5.3147e-05 TDB
period 1329.772127244275
3.64
7.3859e-06
2.022e-08
d
yr
n .2707230754986859 1.5037e-09 deg/d
Q 2.82160162609815 1.0448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      15062 days (41.24 yr)  
   first obs. used      1978-02-08  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:30  

Additional Information
 Earth MOID = .939685 au 
 Jupiter MOID = 2.55315 au 
 T_jup = 3.499 
[ 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 14.0   n/a MPO435946  
diameter diameter 5.253 km 0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26340 Evamarková           Discovered 1998 Dec. 13 by J. Ticha and M. Tichy at Klet.
Eva Marková (b. 1949) is a Czech astronomer interested in solar astronomy. She led eight expeditions to observe total solar eclipses. Since 1986 she has served as director of the Úpice Observatory, where she is also engaged in astronomy education, including summer youth astronomy camps.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 XY8 = 1987 WM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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