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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123205636526698 1.6484e-08  
a 2.642840721638013 9.6948e-09 au
q 2.345995362139403 4.3328e-08 au
i 14.01254135250699 3.7262e-07 deg
node 158.3652460964577 3.4217e-06 deg
peri 55.27957269454517 1.0511e-05 deg
M 132.8587276974705 8.1194e-06 deg
tp 2458621.348080403134
(2019-May-17.84808040)
3.4026e-05 TDB
period 1569.296158921754
4.30
8.635e-06
2.364e-08
d
yr
n .2294022055386613 1.2623e-09 deg/d
Q 2.939686081136624 1.0784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2898  
   data-arc span      25368 days (69.45 yr)  
   first obs. used      1951-08-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:17:28  

Additional Information
 Earth MOID = 1.37172 au 
 Jupiter MOID = 2.08343 au 
 T_jup = 3.343 
[ 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 12.28   n/a E2021B10  
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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