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JPL Small-Body Database Browser
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22685 Dominguez (1998 QL51)
Classification: Main-belt Asteroid          SPK-ID: 2022685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0590960414780162 3.6963e-08  
a 2.790246254103687 1.6836e-08 au
q 2.625353745737296 1.0483e-07 au
i 3.053850538920583 4.6354e-06 deg
node 318.6929432234463 8.9184e-05 deg
peri 310.9648193749753 0.00010419 deg
M 311.3666770339443 5.7688e-05 deg
tp 2459230.481907288433
(2021-Jan-15.98190729)
0.00027362 TDB
period 1702.402418227167
4.66
1.5408e-05
4.218e-08
d
yr
n .2114658650302516 1.9139e-09 deg/d
Q 2.955138762470078 1.7831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      8754 days (23.97 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:45:44  

Additional Information
 Earth MOID = 1.61048 au 
 Jupiter MOID = 2.10467 au 
 T_jup = 3.325 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO279751  
diameter diameter 4.062 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.482 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.323   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22685 Dominguez           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Isabella Rosa Dominguez (b. 1991) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her botany and zoology project. She attends the Key Biscayne Elementary School, Miami, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1998 QL51 = 1999 VW172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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