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277097 (2005 EF273)
Classification: Main-belt Asteroid          SPK-ID: 2277097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04985258506818754 5.5731e-08  
a 3.059467301658412 4.5303e-08 au
q 2.906944947739147 1.6385e-07 au
i 8.435874081951145 6.747e-06 deg
node 173.4850690259209 3.5652e-05 deg
peri 153.3840417421976 7.2884e-05 deg
M 158.3514979905556 6.5847e-05 deg
tp 2458140.721014078792
(2018-Jan-22.22101408)
0.00035314 TDB
period 1954.64166022664
5.35
4.3415e-05
1.189e-07
d
yr
n .1841769810422736 4.0908e-09 deg/d
Q 3.211989655577676 4.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      5349 days (14.64 yr)  
   first obs. used      2005-03-03  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:48  

Additional Information
 Earth MOID = 1.89894 au 
 Jupiter MOID = 1.99592 au 
 T_jup = 3.216 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO470932  

277097 (2005 EF273)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 EF273 = 2007 RQ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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