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JPL Small-Body Database Browser
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108968 (2001 PE40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2108968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0576824487802224 6.3182e-08  
a 3.40714110215378 4.477e-08 au
q 3.210608860041804 2.2957e-07 au
i 15.10798318190896 7.2833e-06 deg
node 213.2319163671948 1.944e-05 deg
peri 343.4619465821863 5.3832e-05 deg
M 140.1537941734454 5.0023e-05 deg
tp 2458106.194369919065
(2017-Dec-18.69436992)
0.00031831 TDB
period 2297.119594427188
6.29
4.5276e-05
1.24e-07
d
yr
n .1567180049629806 3.0889e-09 deg/d
Q 3.603673344265756 4.7352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      1999-04-16  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59269  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:17:00  

Additional Information
 Earth MOID = 2.20982 au 
 Jupiter MOID = 1.37571 au 
 T_jup = 3.087 
[ 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 14.2   n/a MPO439732  
diameter diameter 9.181 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108968 (2001 PE40)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PE40 = 2002 VF115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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