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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741056986381666 5.9936e-08  
a 2.454473054451336 1.4216e-08 au
q 2.027135308517531 1.422e-07 au
i 5.98186909658989 4.9988e-06 deg
node 330.4782797063486 3.3757e-05 deg
peri 9.305121922496051 3.6587e-05 deg
M 212.1780321696663 2.0979e-05 deg
tp 2459577.229688837996
(2021-Dec-28.72968884)
8.6123e-05 TDB
period 1404.545555908054
3.85
1.2202e-05
3.341e-08
d
yr
n .2563106611143389 2.2267e-09 deg/d
Q 2.881810800385141 1.6691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      8001 days (21.91 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:19:24  

Additional Information
 Earth MOID = 1.01853 au 
 Jupiter MOID = 2.50427 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-August); 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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