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JPL Small-Body Database Browser
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379136 (2009 DL22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2379136
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816366040061817 1.2987e-07  
a 3.932777263671823 1.3122e-07 au
q 3.21844095718575 5.3124e-07 au
i .9353122389580008 9.6541e-06 deg
node 243.1483064803778 0.00067298 deg
peri 5.300201229728061 0.00067363 deg
M 18.66461592867799 3.0791e-05 deg
tp 2458452.805606604613
(2018-Nov-30.30560660)
0.00024342 TDB
period 2848.70483408363
7.80
0.00014257
3.903e-07
d
yr
n .1263732190477377 6.3246e-09 deg/d
Q 4.647113570157897 1.5505e-07 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      3404 days (9.32 yr)  
   first obs. used      2009-01-15  
   last obs. used      2018-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67706  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:34:45  

Additional Information
 Earth MOID = 2.20444 au 
 Jupiter MOID = .40047 au 
 T_jup = 3.033 
[ 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 15.4   n/a MPO440648  
diameter diameter 5.944 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.034   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

379136 (2009 DL22)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 DL22 = 2010 EF134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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