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277098 (2005 EZ281)
Classification: Main-belt Asteroid          SPK-ID: 2277098
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04887334486307968 5.4033e-08  
a 3.101101706078225 3.4334e-08 au
q 2.949540492941579 1.8009e-07 au
i 15.25242760137043 5.3753e-06 deg
node 173.4191092539349 1.863e-05 deg
peri 37.19207467457553 5.2714e-05 deg
M 268.1626900713014 5.1648e-05 deg
tp 2459509.349198749157
(2021-Oct-21.84919875)
0.00028972 TDB
period 1994.676365106077
5.46
3.3126e-05
9.069e-08
d
yr
n .1804804058932414 2.9973e-09 deg/d
Q 3.252662919214871 3.6012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7649 days (20.94 yr)  
   first obs. used      1999-02-21  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:20  

Additional Information
 Earth MOID = 1.96055 au 
 Jupiter MOID = 1.72446 au 
 T_jup = 3.166 
[ 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 15.4   n/a MPO455056  
diameter diameter 5.252 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277098 (2005 EZ281)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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