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43801 (1991 PL15)
Classification: Main-belt Asteroid          SPK-ID: 2043801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461482550403182 4.7591e-08  
a 3.110827916063673 2.09e-08 au
q 2.656185844400258 1.412e-07 au
i 6.441546954288119 4.0941e-06 deg
node 127.9652485171849 3.6191e-05 deg
peri 198.2665838413586 3.8776e-05 deg
M 163.8633171386736 1.581e-05 deg
tp 2458484.296677640620
(2018-Dec-31.79667764)
8.4278e-05 TDB
period 2004.067791276711
5.49
2.0196e-05
5.529e-08
d
yr
n .1796346418853718 1.8103e-09 deg/d
Q 3.565469987727088 2.3954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:47  

Additional Information
 Earth MOID = 1.64449 au 
 Jupiter MOID = 1.76717 au 
 T_jup = 3.193 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.35   n/a MPCxxxxx  
diameter diameter 8.044 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43801 (1991 PL15)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL15 = 2001 KZ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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