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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .207781632513097 7.4948e-08  
a 2.388044842059368 1.7408e-08 AU
q 1.891852986261792 1.8317e-07 AU
i 3.574909035244155 8.615e-06 deg
node 323.1393213127282 0.00010204 deg
peri 26.73319677892437 0.00010291 deg
M 46.48748980430224 1.8204e-05 deg
tp 2456626.441298776431
(2013-Nov-29.94129878)
6.7105e-05 JED
period 1347.913873265014
3.69
1.4739e-05
4.035e-08
d
yr
n .2670793788389328 2.9204e-09 deg/d
Q 2.884236697856945 2.1025e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      549  
   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      .55924  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 13:33:44  

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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