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JPL Small-Body Database Browser
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312534 (2009 DH142)
Classification: Main-belt Asteroid          SPK-ID: 2312534
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603911306536913 3.3113e-08  
a 2.591181420813996 2.6621e-08 au
q 2.175578903000801 8.6161e-08 au
i 9.303010567329618 7.7366e-06 deg
node 312.9699117101246 2.5373e-05 deg
peri 277.608021383954 3.7375e-05 deg
M 120.1860100905249 2.7501e-05 deg
tp 2458091.876320333472
(2017-Dec-04.37632033)		 0.00011349 TDB
period 1523.509471210788
4.17		 2.3478e-05
6.428e-08		 d
yr
n .2362965290356187 3.6414e-09 deg/d
Q 3.006783938627192 3.0891e-08 au
   Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8729 days (23.90 yr)  
   first obs. used      1995-12-26  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50765  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:05:20  

Additional Information
 Earth MOID = 1.18878 au 
 Jupiter MOID = 2.10373 au 
 T_jup = 3.383 
[ 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 16.0   n/a MPO450244  
diameter diameter 3.673 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312534 (2009 DH142)          Discovered 2009-Feb-27 by Siding Spring Survey at Siding Spring
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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