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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411416388203597 1.0809e-08  
a 2.626665482920703 9.8233e-09 au
q 2.255933612028404 2.7531e-08 au
i 14.33926395324563 6.4391e-07 deg
node 61.85528609926556 1.7614e-06 deg
peri 348.5478506990321 7.0046e-06 deg
M 126.5794453637489 5.7292e-06 deg
tp 2458849.778358929381
(2020-Jan-01.27835893)
2.3726e-05 TDB
period 1554.91114864523
4.26
8.7227e-06
2.388e-08
d
yr
n .2315244831279669 1.2988e-09 deg/d
Q 2.997397353813003 1.121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2716  
   data-arc span      25410 days (69.57 yr)  
   first obs. used      1951-12-03  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:36:09  

Additional Information
 Earth MOID = 1.2684 au 
 Jupiter MOID = 2.37442 au 
 T_jup = 3.344 
[ 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 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

Alternate Designations
 1998 UH31 = 1951 XC = 1985 UK4 = 1998 UY31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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