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2993 Wendy (1970 PA)
Classification: Main-belt Asteroid          SPK-ID: 2002993
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959564569263168 1.2586e-07  
a 2.585272742306686 1.4565e-08 AU
q 2.078671855536085 3.2295e-07 AU
i 12.29461449086748 8.1432e-06 deg
node 313.383145989503 4.6345e-05 deg
peri 74.79240096880662 5.1028e-05 deg
M 137.5515477058551 1.9068e-05 deg
tp 2456220.375832319858
(2012-Oct-19.87583232)
8.0666e-05 JED
period 1518.301348462119
4.16
1.2831e-05
3.513e-08
d
yr
n .2371070804650491 2.0038e-09 deg/d
Q 3.091873629077287 1.742e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      15954 days (43.68 yr)  
   first obs. used      1970-07-30  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:42:53  

Additional Information
 Earth MOID = 1.11991 AU 
 T_jup = 3.363 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO256885  
diameter diameter 10.64 km 0.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 4.42 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.1876   0.025 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

2993 Wendy (1970 PA)          Discovered 1970-Aug-04 by at Perth
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 PA = 1979 YJ2 = 1981 DG1 = A916 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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