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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07377216552507938 3.8231e-08  
a 3.174154832122683 2.1695e-08 au
q 2.939990556445098 1.2896e-07 au
i 22.86594147591076 4.8653e-06 deg
node 78.6909461598959 1.0648e-05 deg
peri 61.13023588391412 3.7169e-05 deg
M 325.9157597236457 3.4488e-05 deg
tp 2459396.065258054920
(2021-Jun-30.56525805)
0.00019821 TDB
period 2065.573189513429
5.66
2.1177e-05
5.798e-08
d
yr
n .1742857633066018 1.7869e-09 deg/d
Q 3.408319107800268 2.3296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1997-11-23  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:08  

Additional Information
 Earth MOID = 2.01368 au 
 Jupiter MOID = 1.9567 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 13.41   n/a MPCxxxxx  
diameter diameter 12.995 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 149.839 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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