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266925 (2010 ER82)
Classification: Main-belt Asteroid          SPK-ID: 2266925
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07964610385036157 7.8965e-08  
a 2.573483341354781 4.8114e-08 au
q 2.368515419892063 2.2842e-07 au
i 16.2038535194832 9.4679e-06 deg
node 8.173033050726271 1.8199e-05 deg
peri 256.9533050685447 0.0002307 deg
M 94.59175716925091 0.00025487 deg
tp 2458604.284682420413
(2019-Apr-30.78468242)
0.0010577 TDB
period 1507.927525581677
4.13
4.2288e-05
1.158e-07
d
yr
n .2387382642021416 6.6952e-09 deg/d
Q 2.7784512628175 5.1946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:22:39  

Additional Information
 Earth MOID = 1.41406 au 
 Jupiter MOID = 2.32664 au 
 T_jup = 3.368 
[ 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 MPO297458  
diameter diameter 2.366 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266925 (2010 ER82)          Discovered 2010-Mar-12 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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