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34726 (2001 QA25)
Classification: Main-belt Asteroid          SPK-ID: 2034726
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029236944727226 3.989e-08  
a 3.192923563243364 2.2119e-08 au
q 2.864296073945348 1.2999e-07 au
i 21.79478748266346 6.5055e-06 deg
node 2.791755276369881 1.1866e-05 deg
peri 80.86013263489008 3.3127e-05 deg
M 19.91276480583808 2.9701e-05 deg
tp 2458885.231597805398
(2020-Feb-05.73159781)
0.00017182 TDB
period 2083.920801288761
5.71
2.1654e-05
5.929e-08
d
yr
n .1727512867942798 1.7951e-09 deg/d
Q 3.521551052541381 2.4395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2360  
   data-arc span      16040 days (43.92 yr)  
   first obs. used      1976-05-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:51:21  

Additional Information
 Earth MOID = 1.97291 au 
 Jupiter MOID = 1.80643 au 
 T_jup = 3.077 
[ 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 12.5   n/a MPO452657  
diameter diameter 18.144 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.47 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34726 (2001 QA25)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QA25 = 1987 FB1 = 1990 UT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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