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243952 (2001 QP166)
Classification: Main-belt Asteroid          SPK-ID: 2243952
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 .1969345701772963 4.1604e-08  
a 2.671463528514145 1.7878e-08 au
q 2.145360006781889 1.1357e-07 au
i 11.09999118755836 5.1128e-06 deg
node 347.084600750996 2.6819e-05 deg
peri 70.35040670647776 3.3188e-05 deg
M 41.76946833152115 1.5039e-05 deg
tp 2458815.454406524861
(2019-Nov-27.95440653)
6.7173e-05 TDB
period 1594.859027707042
4.37
1.601e-05
4.383e-08
d
yr
n .2257252796302495 2.2659e-09 deg/d
Q 3.197567050246401 2.1399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1999-03-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:29  

Additional Information
 Earth MOID = 1.18575 au 
 Jupiter MOID = 2.30137 au 
 T_jup = 3.326 
[ 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 MPO454792  
diameter diameter 3.873 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243952 (2001 QP166)          Discovered 2001-Aug-24 by NEAT at Haleakala
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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