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249841 (2001 PA33)
Classification: Main-belt Asteroid          SPK-ID: 2249841
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2580999048985543 4.4791e-08  
a 2.661279533255349 1.6297e-08 au
q 1.974403538813674 1.2059e-07 au
i 11.91712815433163 6.4244e-06 deg
node 6.627309851460581 2.3932e-05 deg
peri 277.7988487353524 2.6859e-05 deg
M 142.8594476641165 1.3256e-05 deg
tp 2458371.224774727394
(2018-Sep-09.72477473)
5.5473e-05 TDB
period 1585.747983785887
4.34
1.4566e-05
3.988e-08
d
yr
n .2270222025699944 2.0853e-09 deg/d
Q 3.348155527697024 2.0503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      8713 days (23.85 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:32  

Additional Information
 Earth MOID = 1.00113 au 
 Jupiter MOID = 2.02191 au 
 T_jup = 3.307 
[ 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 15.9   n/a MPO503177  
diameter diameter 3.847 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249841 (2001 PA33)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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