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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09123793122607617 6.3194e-08  
a 3.126584931859263 4.966e-08 au
q 2.841321790873802 1.9286e-07 au
i 8.709781267396407 6.5645e-06 deg
node 164.0334117426713 3.4483e-05 deg
peri 145.0748916634029 4.7192e-05 deg
M 311.5956683896439 3.0414e-05 deg
tp 2459272.009793516710
(2021-Feb-26.50979352)		 0.00017221 TDB
period 2019.313611286464
5.53		 4.811e-05
1.317e-07		 d
yr
n .1782784001394668 4.2475e-09 deg/d
Q 3.411848072844725 5.4191e-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 = 1.83261 au 
 Jupiter MOID = 1.89253 au 
 T_jup = 3.190 
[ 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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