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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925421862426734 3.2602e-08  
a 2.365407924892676 6.6952e-09 au
q 1.909967111678094 7.604e-08 au
i 10.80658169848969 4.2111e-06 deg
node 277.7696307360145 2.0552e-05 deg
peri 135.0071270370103 2.527e-05 deg
M 31.35310678415522 1.2148e-05 deg
tp 2459084.772764452856
(2020-Aug-23.27276445)
4.4872e-05 TDB
period 1328.79350948488
3.64
5.6416e-06
1.545e-08
d
yr
n .2709224551672874 1.1502e-09 deg/d
Q 2.820848738107256 7.9843e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      15686 days (42.95 yr)  
   first obs. used      1978-02-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:56  

Additional Information
 Earth MOID = .93772 au 
 Jupiter MOID = 2.55367 au 
 T_jup = 3.500 
[ 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 14.13   n/a E2021B10  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-May-01 11:53 00:01 Iris 0.045568426552937 0.0455602586443241 0.0455765944889902 2.22293956511588 2.22293950836386 2432672.994802448 1.47455710185409 410.280359108471 27.8754511304234 7.76703315251817 36855.7615570759 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 03:18:59 2021-Feb-24 03:18

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