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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2624528909186112 6.3844e-08  
a 3.101052199273727 3.0797e-08 au
q 2.28717208468482 1.9522e-07 au
i 21.23678905395395 7.86e-06 deg
node 139.4350452227025 1.8878e-05 deg
peri 291.4206447099347 2.3857e-05 deg
M 237.1612422378013 1.6148e-05 deg
tp 2459681.104720609783
(2022-Apr-11.60472061)
9.6071e-05 TDB
period 1994.628599988346
5.46
2.9714e-05
8.135e-08
d
yr
n .1804847278345971 2.6886e-09 deg/d
Q 3.914932313862634 3.888e-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 = 1.39197 au 
 Jupiter MOID = 1.71359 au 
 T_jup = 3.067 
[ 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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