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52627 (1997 WU2)
Classification: Main-belt Asteroid          SPK-ID: 2052627
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07374115617182167 3.9768e-08  
a 3.173499457832647 2.6452e-08 au
q 2.939481938701418 1.3065e-07 au
i 22.86831726500172 5.3242e-06 deg
node 78.69121264491864 1.3573e-05 deg
peri 61.30070928218929 4.6163e-05 deg
M 290.89322947219 4.5162e-05 deg
tp 2459396.891348300109
(2021-Jul-01.39134830)
0.00026139 TDB
period 2064.933497805592
5.65
2.5818e-05
7.069e-08
d
yr
n .1743397549521922 2.1798e-09 deg/d
Q 3.407516976963875 2.8403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1997-11-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:04  

Additional Information
 Earth MOID = 2.01359 au 
 Jupiter MOID = 1.95757 au 
 T_jup = 3.075 
[ 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 13.4   n/a MPO365864  
diameter diameter 12.995 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52627 (1997 WU2)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WU2 = 1999 CZ127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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