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JPL Small-Body Database Browser
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249411 (2009 DR6)
Classification: Main-belt Asteroid          SPK-ID: 2249411
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 .08849074043099213 7.6007e-08  
a 3.089474567547109 5.1006e-08 au
q 2.816084675522146 2.4855e-07 au
i 10.07863703548608 6.4681e-06 deg
node 111.9026565444691 4.7576e-05 deg
peri 91.98114029588065 6.1431e-05 deg
M 258.7905304368605 4.3305e-05 deg
tp 2459158.127279438827
(2020-Nov-04.62727944)
0.00024631 TDB
period 1983.46875509255
5.43
4.9119e-05
1.345e-07
d
yr
n .1815002122295605 4.4947e-09 deg/d
Q 3.362864459572072 5.5519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      6268 days (17.16 yr)  
   first obs. used      2001-10-15  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:48  

Additional Information
 Earth MOID = 1.83613 au 
 Jupiter MOID = 1.71292 au 
 T_jup = 3.196 
[ 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 15.7   n/a MPO427416  
diameter diameter 4.529 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249411 (2009 DR6)          Discovered 2009-Feb-17 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 DR6 = 2004 FG83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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