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52065 (2002 QA23)
Classification: Main-belt Asteroid          SPK-ID: 2052065
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737535536324043 6.6008e-08  
a 2.455171970976273 1.6223e-08 au
q 2.028577116240471 1.5494e-07 au
i 5.9805092832858 5.019e-06 deg
node 330.4798655075954 3.7912e-05 deg
peri 9.313966697510699 4.0398e-05 deg
M 109.6734019802737 2.0964e-05 deg
tp 2458172.424751602442
(2018-Feb-22.92475160)
7.835e-05 TDB
period 1405.145519702573
3.85
1.3927e-05
3.813e-08
d
yr
n .2562012225439833 2.5393e-09 deg/d
Q 2.881766825712075 1.9041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      7525 days (20.60 yr)  
   first obs. used      1998-06-26  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:04:27  

Additional Information
 Earth MOID = 1.01906 au 
 Jupiter MOID = 2.50102 au 
 T_jup = 3.465 
[ 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 15.4   n/a MPO468398  
diameter diameter 1.783 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.355 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.507   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52065 (2002 QA23)          Discovered 2002-Aug-27 by NEAT at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QA23 = 2001 FN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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