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43802 (1991 PY18)
Classification: Main-belt Asteroid          SPK-ID: 2043802
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078022663020689 6.1064e-08  
a 2.389047409035834 1.4617e-08 AU
q 1.892597943135102 1.4731e-07 AU
i 3.575019579155664 7.5696e-06 deg
node 323.136847036454 7.9468e-05 deg
peri 26.84948827703891 8.0672e-05 deg
M 99.77101653665171 1.7017e-05 deg
tp 2456626.701567884635
(2013-Nov-30.20156788)
6.1772e-05 JED
period 1348.7627993857
3.69
1.2378e-05
3.389e-08
d
yr
n .2669112761443032 2.4496e-09 deg/d
Q 2.885496874936566 1.7654e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      8628 days (23.62 yr)  
   first obs. used      1991-08-07  
   last obs. used      2015-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50448  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:01:54  

Additional Information
 Earth MOID = .887509 AU 
 T_jup = 3.501 
[ 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 15.1 mag n/a MPO267850  

43802 (1991 PY18)          Discovered 1991-Aug-10 by Holt, H. E. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PY18 = 1995 UA4 = 1997 BL9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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