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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078022405593973 6.7194e-08  
a 2.389047415124762 1.6096e-08 AU
q 1.8925980094592 1.6411e-07 AU
i 3.575020431208395 7.9107e-06 deg
node 323.1368578294313 9.0379e-05 deg
peri 26.84947513669931 9.1344e-05 deg
M 99.77101494047247 1.7096e-05 deg
tp 2456626.701572435780
(2013-Nov-30.20157244)
6.1941e-05 JED
period 1348.762804542056
3.69
1.363e-05
3.732e-08
d
yr
n .2669112751238942 2.6974e-09 deg/d
Q 2.885496820790324 1.944e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8549 days (23.41 yr)  
   first obs. used      1991-08-07  
   last obs. used      2015-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:02:10  

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 (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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