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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957900340817414 8.6475e-08  
a 2.585842676281062 1.7706e-08 au
q 2.079560450561972 2.2545e-07 au
i 12.29434326916703 6.1613e-06 deg
node 313.3810459085244 4.0724e-05 deg
peri 74.69096031569958 4.2635e-05 deg
M 279.930160765937 1.504e-05 deg
tp 2457738.306522363839
(2016-Dec-15.80652236)
6.4662e-05 JED
period 1518.803449766974
4.16
1.56e-05
4.271e-08
d
yr
n .2370286952240158 2.4345e-09 deg/d
Q 3.092124902000152 2.1173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      16417 days (44.95 yr)  
   first obs. used      1970-07-30  
   last obs. used      2015-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48226  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 15:59:34  

Additional Information
 Earth MOID = 1.12047 au 
 Jupiter MOID = 2.53578 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 LCDB (Rev. 2015-December); Warner et al., 2009 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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