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JPL Small-Body Database Browser
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376503 (2012 KN46)
Classification: Main-belt Asteroid          SPK-ID: 2376503
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05919860413044259 4.8793e-08  
a 2.619911212179968 2.5433e-08 au
q 2.464816125473218 1.2989e-07 au
i 7.664048421534995 7.4073e-06 deg
node 208.4265519790211 4.1815e-05 deg
peri 64.30017494448228 8.0632e-05 deg
M 297.6087819346711 6.6477e-05 deg
tp 2459268.941248977930
(2021-Feb-23.44124898)
0.00028603 TDB
period 1548.91750199308
4.24
2.2555e-05
6.175e-08
d
yr
n .2324203836142129 3.3844e-09 deg/d
Q 2.775006298886718 2.6939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      9953 days (27.25 yr)  
   first obs. used      1992-10-25  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56845  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:46:12  

Additional Information
 Earth MOID = 1.4607 au 
 Jupiter MOID = 2.27079 au 
 T_jup = 3.390 
[ 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 16.3   n/a MPO368571  
diameter diameter 2.955 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376503 (2012 KN46)          Discovered 2004-Jun-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

Alternate Designations
 2012 KN46 = 2009 UY44 = 2010 BM41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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