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56278 (1999 KB)
Classification: Main-belt Asteroid          SPK-ID: 2056278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140511053338981 4.4052e-08  
a 2.992115773927791 2.0123e-08 au
q 2.571690434821017 1.3188e-07 au
i 11.49190790696817 5.456e-06 deg
node 164.2438625099389 2.4221e-05 deg
peri 166.7866896651676 3.0438e-05 deg
M 217.2623533040767 1.9749e-05 deg
tp 2459350.052486020774
(2021-May-15.55248602)
0.00010684 TDB
period 1890.453578391421
5.18
1.9071e-05
5.221e-08
d
yr
n .1904304893359627 1.9211e-09 deg/d
Q 3.412541113034566 2.2951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      7292 days (19.96 yr)  
   first obs. used      1999-05-07  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:16  

Additional Information
 Earth MOID = 1.56206 au 
 Jupiter MOID = 1.98937 au 
 T_jup = 3.210 
[ 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 14.1   n/a MPO474445  
diameter diameter 5.856 km 0.221 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56278 (1999 KB)          Discovered 1999-May-16 by Zoltowski, F. B. at Woomera
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 KB = 2000 OR42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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