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JPL Small-Body Database Browser
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249417 (2009 DQ90)
Classification: Main-belt Asteroid          SPK-ID: 2249417
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0652415080832348 5.5754e-08  
a 2.414225548837523 3.1367e-08 au
q 2.256717833178288 1.3016e-07 au
i 4.932092848372254 8.2179e-06 deg
node 176.8315397414052 5.957e-05 deg
peri 62.49062889840729 8.7946e-05 deg
M 179.3922890087857 6.0792e-05 deg
tp 2457917.742530831979
(2017-Jun-13.24253083)
0.00023354 TDB
period 1370.140769475604
3.75
2.6703e-05
7.311e-08
d
yr
n .262746725022848 5.1206e-09 deg/d
Q 2.571733264496758 3.3413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5477 days (15.00 yr)  
   first obs. used      2003-10-20  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52925  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:13:45  

Additional Information
 Earth MOID = 1.24977 au 
 Jupiter MOID = 2.41789 au 
 T_jup = 3.510 
[ 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 17.0   n/a MPO454849  
diameter diameter 2.730 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249417 (2009 DQ90)          Discovered 2009-Feb-26 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 DQ90 = 2007 TK254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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