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277088 (2005 EF211)
Classification: Main-belt Asteroid          SPK-ID: 2277088
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007536725202217133 6.7258e-08  
a 3.113250317971502 5.1664e-08 au
q 3.089786605839235 2.3007e-07 au
i 7.201615922437471 8.9207e-06 deg
node 209.0965380635967 4.9738e-05 deg
peri 302.7277410254104 0.00063699 deg
M 297.3840011700632 0.00063393 deg
tp 2459349.481416012824
(2021-May-14.98141601)
0.0035348 TDB
period 2006.409098509042
5.49
4.9945e-05
1.367e-07
d
yr
n .1794250236741426 4.4663e-09 deg/d
Q 3.136714030103768 5.2054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      7222 days (19.77 yr)  
   first obs. used      2000-04-13  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:19  

Additional Information
 Earth MOID = 2.09559 au 
 Jupiter MOID = 1.83529 au 
 T_jup = 3.206 
[ 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 15.9   n/a MPO418473  
diameter diameter 4.515 km 0.772 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277088 (2005 EF211)          Discovered 2005-Mar-04 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 EF211 = 2008 WX99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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