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35218 (1994 WU2)
Classification: Main-belt Asteroid          SPK-ID: 2035218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205994123813896 3.5415e-08  
a 2.194821022195522 9.107e-09 au
q 1.742700788800036 7.9303e-08 au
i 4.969848023880445 3.9106e-06 deg
node 64.25167681655701 4.6318e-05 deg
peri 287.8085924362764 4.7436e-05 deg
M 242.3904225829195 1.3613e-05 deg
tp 2458988.504964587368
(2020-May-19.00496459)
4.6354e-05 TDB
period 1187.673574883252
3.25
7.3921e-06
2.024e-08
d
yr
n .3031135891319193 1.8866e-09 deg/d
Q 2.646941255591009 1.0983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      8928 days (24.44 yr)  
   first obs. used      1994-11-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:53:42  

Additional Information
 Earth MOID = .744561 au 
 Jupiter MOID = 2.79245 au 
 T_jup = 3.637 
[ 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 15.0   n/a MPO337548  
diameter diameter 2.568 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.56991 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.295   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35218 (1994 WU2)          Discovered 1994-Nov-30 by Kobayashi, T. at Oizumi
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WU2 = 1999 FH49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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