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437764 (2014 KJ4)
Classification: Main-belt Asteroid          SPK-ID: 2437764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2827033559778361 5.0132e-08  
a 2.570364807378968 2.5452e-08 au
q 1.843714050245609 1.2191e-07 au
i 14.60340332775322 6.1495e-06 deg
node 359.764748556349 2.5659e-05 deg
peri 322.8096182644362 3.041e-05 deg
M 108.3106410844065 1.9916e-05 deg
tp 2458547.644963636244
(2019-Mar-05.14496364)
8.1503e-05 TDB
period 1505.187407799614
4.12
2.2357e-05
6.121e-08
d
yr
n .2391728751745755 3.5525e-09 deg/d
Q 3.297015564512327 3.2647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      12115 days (33.17 yr)  
   first obs. used      1986-11-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:14:37  

Additional Information
 Earth MOID = .853952 au 
 Jupiter MOID = 2.14644 au 
 T_jup = 3.329 
[ 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 15.5   n/a MPO503563  
diameter diameter 4.689 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437764 (2014 KJ4)          Discovered 1998-Sep-22 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-06-04

Alternate Designations
 2014 KJ4 = 2010 DZ54 = 2010 QC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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