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34735 (2001 QA69)
Classification: Main-belt Asteroid          SPK-ID: 2034735
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029443311499556 4.9415e-08  
a 3.117605399082549 1.6228e-08 au
q 2.48490505657625 1.5135e-07 au
i 5.152622727673987 3.8252e-06 deg
node 255.7777342575643 5.4276e-05 deg
peri 124.8748505791668 5.5312e-05 deg
M 117.5898376220202 1.0975e-05 deg
tp 2458343.754003372311
(2018-Aug-13.25400337)
5.9071e-05 TDB
period 2010.620675792938
5.50
1.5699e-05
4.298e-08
d
yr
n .1790491883099855 1.398e-09 deg/d
Q 3.750305741588847 1.9521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      14823 days (40.58 yr)  
   first obs. used      1979-09-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:51:40  

Additional Information
 Earth MOID = 1.4924 au 
 Jupiter MOID = 1.75558 au 
 T_jup = 3.179 
[ 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 13.8   n/a MPO502411  
diameter diameter 8.724 km 0.528 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.843 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 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34735 (2001 QA69)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QA69 = 1979 SL2 = 1990 SA11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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