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JPL Small-Body Database Browser
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2348 Michkovitch (1939 AA)
Classification: Main-belt Asteroid          SPK-ID: 2002348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724575891142688 3.7597e-08  
a 2.396131438120323 8.6992e-09 au
q 1.982900387101187 9.087e-08 au
i 4.671248972991181 4.0381e-06 deg
node 186.3493674082049 4.7316e-05 deg
peri 295.609598124218 4.8404e-05 deg
M 219.6465551790724 1.079e-05 deg
tp 2459128.683656069422
(2020-Oct-06.18365607)
4.14e-05 TDB
period 1354.766293250536
3.71
7.3778e-06
2.02e-08
d
yr
n .265728488960439 1.4471e-09 deg/d
Q 2.80936248913946 1.0199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      29420 days (80.55 yr)  
   first obs. used      1939-01-26  
   last obs. used      2019-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48658  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:24:07  

Additional Information
 Earth MOID = 1.00413 au 
 Jupiter MOID = 2.28125 au 
 T_jup = 3.504 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO416733  
diameter diameter 4.595 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 28. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
geometric albedo albedo 0.917   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2348 Michkovitch (1939 AA)          Discovered 1939-Jan-10 by Protitch, M. B. at Belgrade
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1939 AA = 1958 GR = 1965 DA = 1975 XA5 = 1978 QH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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