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14625 (1998 UH31)
Classification: Main-belt Asteroid          SPK-ID: 2014625
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409060540214807 4.3552e-08  
a 2.626957350056989 1.0841e-08 au
q 2.256803155777733 1.1586e-07 au
i 14.33951719302868 4.7013e-06 deg
node 61.86819030607763 1.4901e-05 deg
peri 348.6003597105337 2.0061e-05 deg
M 34.8658088027196 1.2279e-05 deg
tp 2458849.882580329737
(2020-Jan-01.38258033)
5.3032e-05 TDB
period 1555.170321391342
4.26
9.6269e-06
2.636e-08
d
yr
n .2314858990351128 1.433e-09 deg/d
Q 2.997111544336244 1.2369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2163  
   data-arc span      24971 days (68.37 yr)  
   first obs. used      1951-12-03  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:02:54  

Additional Information
 Earth MOID = 1.26972 au 
 Jupiter MOID = 2.37266 au 
 T_jup = 3.344 
[ 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 12.2   n/a MPO452376  
diameter diameter 10.049 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.48682 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.277   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14625 (1998 UH31)          Discovered 1998-Oct-18 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UH31 = 1951 XC = 1985 UK4 = 1998 UY31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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