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2796 Kron (1980 EC)
Classification: Main-belt Asteroid          SPK-ID: 2002796
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112047878630188 3.3325e-08  
a 2.644310399527313 9.8953e-09 au
q 2.348021028820533 8.7285e-08 au
i 14.00741791092094 3.648e-06 deg
node 158.3679593625086 1.3173e-05 deg
peri 55.54129963438965 1.9887e-05 deg
M 86.7344398056477 1.513e-05 deg
tp 2458622.095621084518
(2019-May-18.59562108)		 6.5681e-05 TDB
period 1570.605364084029
4.30		 8.816e-06
2.414e-08		 d
yr
n .2292109833777059 1.2866e-09 deg/d
Q 2.940599770234093 1.1004e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2729  
   data-arc span      25302 days (69.27 yr)  
   first obs. used      1951-08-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:08:26  

Additional Information
 Earth MOID = 1.37464 au 
 Jupiter MOID = 2.08413 au 
 T_jup = 3.342 
[ 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 12.2   n/a MPO492783  
diameter diameter 8.561 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 22.99 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.290   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2796 Kron (1980 EC)          Discovered 1980-Mar-13 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 EC = 1976 HL 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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