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212110 (2005 EM173)
Classification: Main-belt Asteroid          SPK-ID: 2212110
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357953498551748 8.3025e-08  
a 2.574234675071633 2.2646e-08 au
q 2.224665576760959 2.2176e-07 au
i 11.26394075843998 7.7782e-06 deg
node 4.236651604848874 1.9391e-05 deg
peri 4.119526436759168 2.7654e-05 deg
M 49.22931016642502 1.6891e-05 deg
tp 2458794.203490301661
(2019-Nov-06.70349030)
7.0398e-05 TDB
period 1508.587937558648
4.13
1.9907e-05
5.45e-08
d
yr
n .2386337521580538 3.1489e-09 deg/d
Q 2.923803773382308 2.5721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-12-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:42:12  

Additional Information
 Earth MOID = 1.22366 au 
 Jupiter MOID = 2.53708 au 
 T_jup = 3.388 
[ 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 15.8   n/a MPO450006  

212110 (2005 EM173)          Discovered 2005-Mar-08 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EM173 = 2003 YT158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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