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390645 (2002 PX40)
Classification: Main-belt Asteroid          SPK-ID: 2390645
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3409169111649946 4.6887e-08  
a 2.778921171177953 1.8768e-08 au
q 1.831539949128956 1.3526e-07 au
i 7.515668888681208 5.2148e-06 deg
node 291.7712995814201 5.9648e-05 deg
peri 28.73903168836295 6.023e-05 deg
M 311.6152852405654 1.1505e-05 deg
tp 2459227.914657324936
(2021-Jan-13.41465733)
5.5141e-05 TDB
period 1692.048347169663
4.63
1.7141e-05
4.693e-08
d
yr
n .2127598780508737 2.1554e-09 deg/d
Q 3.72630239322695 2.5166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      6533 days (17.89 yr)  
   first obs. used      2002-08-04  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:39:22  

Additional Information
 Earth MOID = .822594 au 
 Jupiter MOID = 1.63392 au 
 T_jup = 3.235 
[ 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 16.0   n/a MPO434440  
diameter diameter 2.644 km 0.767 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.092   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

390645 (2002 PX40)          Discovered 2002-Aug-04 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

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