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249847 (2001 PE59)
Classification: Main-belt Asteroid          SPK-ID: 2249847
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2995375507787002 3.4476e-08  
a 2.748735379723925 1.3762e-08 au
q 1.92538591634266 9.6184e-08 au
i 9.600140126291368 5.7598e-06 deg
node 73.58392508918205 2.6453e-05 deg
peri 285.8207306161065 2.8517e-05 deg
M 37.11193939140833 1.0002e-05 deg
tp 2458828.903282874851
(2019-Dec-11.40328287)
4.5621e-05 TDB
period 1664.553757580095
4.56
1.2501e-05
3.423e-08
d
yr
n .2162741806088395 1.6242e-09 deg/d
Q 3.57208484310519 1.7884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      6624 days (18.14 yr)  
   first obs. used      2001-08-14  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:47:23  

Additional Information
 Earth MOID = .949117 au 
 Jupiter MOID = 1.98043 au 
 T_jup = 3.260 
[ 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 MPO440261  
diameter diameter 2.969 km 1.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.087   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249847 (2001 PE59)          Discovered 2001-Aug-14 by NEAT at Haleakala
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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