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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141013841067324 1.0905e-08  
a 2.62703153694191 1.0165e-08 au
q 2.256583729312735 2.818e-08 au
i 14.33871300428668 6.4673e-07 deg
node 61.86243135384591 1.7625e-06 deg
peri 348.5884003414216 7.3046e-06 deg
M 81.16659536026506 5.7154e-06 deg
tp 2458849.852146223841
(2020-Jan-01.35214622)
2.4179e-05 TDB
period 1555.236200300384
4.26
9.0269e-06
2.471e-08
d
yr
n .2314760934258528 1.3435e-09 deg/d
Q 2.997479344571084 1.1599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2476  
   data-arc span      25295 days (69.25 yr)  
   first obs. used      1951-12-03  
   last obs. used      2021-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:13:57  

Additional Information
 Earth MOID = 1.26872 au 
 Jupiter MOID = 2.3732 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 12.25   n/a E2021B10  
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. 2020-October); 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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