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JPL Small-Body Database Browser
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212140 (2005 EM260)
Classification: Main-belt Asteroid          SPK-ID: 2212140
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451072499860958 4.0874e-08  
a 2.553464402234694 1.6791e-08 au
q 2.182938204889028 1.0294e-07 au
i 2.3972747725513 5.91e-06 deg
node 108.1406569885678 0.00019871 deg
peri 164.8616729050099 0.00020143 deg
M 104.6777530743509 3.489e-05 deg
tp 2458167.143784812561
(2018-Feb-17.64378481)
0.00014372 TDB
period 1490.36670052201
4.08
1.47e-05
4.025e-08
d
yr
n .2415512906145232 2.3825e-09 deg/d
Q 2.923990599580361 1.9227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      6843 days (18.74 yr)  
   first obs. used      1999-12-16  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6301  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:30:09  

Additional Information
 Earth MOID = 1.16625 au 
 Jupiter MOID = 2.17468 au 
 T_jup = 3.423 
[ 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 16.9   n/a MPO454522  
diameter diameter 2.405 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212140 (2005 EM260)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EM260 = 2002 UE66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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