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243942 (2001 PM49)
Classification: Main-belt Asteroid          SPK-ID: 2243942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2850053828101644 8.6786e-08  
a 2.799214832355492 2.1266e-08 au
q 2.001423537492125 2.4107e-07 au
i 18.65063809793379 5.9448e-06 deg
node 283.6043884627121 2.2069e-05 deg
peri 76.27268165638871 2.5498e-05 deg
M 1.888244694708533 1.0848e-05 deg
tp 2458991.527601681304
(2020-May-22.02760168)
5.1509e-05 TDB
period 1710.616957527909
4.68
1.9494e-05
5.337e-08
d
yr
n .2104503865788005 2.3982e-09 deg/d
Q 3.597006127218859 2.7327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2001-08-13  
   last obs. used      2017-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5526  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:35:01  

Additional Information
 Earth MOID = 1.08664 au 
 Jupiter MOID = 2.22527 au 
 T_jup = 3.191 
[ 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 15.6   n/a MPO454791  
diameter diameter 2.735 km 0.805 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243942 (2001 PM49)          Discovered 2001-Aug-13 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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