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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077815884784398 7.1566e-08  
a 2.38804485610536 1.7284e-08 AU
q 1.891853102546021 1.7604e-07 AU
i 3.574910968621891 8.2287e-06 deg
node 323.1392699279322 9.3768e-05 deg
peri 26.73322692437738 9.4646e-05 deg
M 46.48750150738239 1.6893e-05 deg
tp 2456626.441253422030
(2013-Nov-29.94125342)
6.2214e-05 JED
period 1347.913885157245
3.69
1.4634e-05
4.007e-08
d
yr
n .2670793764825733 2.8996e-09 deg/d
Q 2.884236609664698 2.0875e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1991-08-07  
   last obs. used      2013-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52595  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:06:48  

Additional Information
 Earth MOID = .885075 AU 
 T_jup = 3.502 
[ 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 (675)
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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