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JPL Small-Body Database Browser
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249810 (2001 DR34)
Classification: Main-belt Asteroid          SPK-ID: 2249810
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2649706227200245 6.4552e-08  
a 3.096316356321733 2.8943e-08 au
q 2.275883483248966 1.9833e-07 au
i 21.15655374154882 7.8598e-06 deg
node 139.7423697358434 1.8988e-05 deg
peri 290.9789386543991 2.3659e-05 deg
M 165.2423341506674 1.5241e-05 deg
tp 2457687.049037926318
(2016-Oct-25.54903793)
7.6703e-05 TDB
period 1990.061130743217
5.45
2.7904e-05
7.64e-08
d
yr
n .1808989655838124 2.5365e-09 deg/d
Q 3.9167492293945 3.6613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      2001-01-04  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:09  

Additional Information
 Earth MOID = 1.38114 au 
 Jupiter MOID = 1.72063 au 
 T_jup = 3.068 
[ 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 15.6   n/a MPO437160  
diameter diameter 4.919 km 0.553 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249810 (2001 DR34)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 DR34 = 2005 UG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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