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46278 (2001 KM)
Classification: Main-belt Asteroid          SPK-ID: 2046278
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 .06905145494174482 5.9882e-08  
a 3.195049690469542 3.4754e-08 au
q 2.974426860731449 2.009e-07 au
i 15.8060254179896 6.5086e-06 deg
node 229.3028725436914 2.0901e-05 deg
peri 309.0877754908976 4.5505e-05 deg
M 100.3062062894409 4.1087e-05 deg
tp 2458019.280526781481
(2017-Sep-22.78052678)
0.00023777 TDB
period 2086.002632328578
5.71
3.4036e-05
9.319e-08
d
yr
n .1725788809758771 2.8159e-09 deg/d
Q 3.415672520207635 3.7154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      1998-11-23  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55634  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:50:50  

Additional Information
 Earth MOID = 1.99927 au 
 Jupiter MOID = 1.64616 au 
 T_jup = 3.133 
[ 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 MPO436105  
diameter diameter 9.263 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46278 (2001 KM)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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