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172875 (2005 EW165)
Classification: Main-belt Asteroid          SPK-ID: 2172875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05531162845755705 5.2333e-08  
a 2.773964505106326 2.5208e-08 au
q 2.620532011045433 1.4759e-07 au
i 1.364577241135636 5.9637e-06 deg
node 67.74256760404091 0.00030145 deg
peri 235.4390815018033 0.00030904 deg
M 348.7510326645511 7.0441e-05 deg
tp 2459053.230262250746
(2020-Jul-22.73026225)
0.00033039 TDB
period 1687.523293844735
4.62
2.3003e-05
6.298e-08
d
yr
n .2133303885718824 2.9079e-09 deg/d
Q 2.927396999167218 2.6602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      8428 days (23.07 yr)  
   first obs. used      1996-04-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:55:27  

Additional Information
 Earth MOID = 1.60544 au 
 Jupiter MOID = 2.19008 au 
 T_jup = 3.333 
[ 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 16.4   n/a MPO475464  
diameter diameter 3.109 km 0.832 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172875 (2005 EW165)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2005 EW165 = 1996 GO9 = 2002 RP146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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