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266490 (2008 DF15)
Classification: Main-belt Asteroid          SPK-ID: 2266490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09087085825267911 6.3295e-08  
a 3.124671214019792 5.0663e-08 au
q 2.840729659044373 1.9253e-07 au
i 8.71077475883374 6.5647e-06 deg
node 164.0505690347209 3.4485e-05 deg
peri 145.40411860426 4.7251e-05 deg
M 239.8650838690503 3.0117e-05 deg
tp 2459273.742719128959
(2021-Feb-28.24271913)
0.00017229 TDB
period 2017.45992499166
5.52
4.9066e-05
1.343e-07
d
yr
n .1784422062319222 4.3399e-09 deg/d
Q 3.408612768995212 5.5267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:31  

Additional Information
 Earth MOID = 1.83114 au 
 Jupiter MOID = 1.89533 au 
 T_jup = 3.191 
[ 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 MPO433729  
diameter diameter 3.531 km 1.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266490 (2008 DF15)          Discovered 2008-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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