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JPL Small-Body Database Browser
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19728 (1999 XQ14)
Classification: Main-belt Asteroid          SPK-ID: 2019728
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211251643429808 4.5649e-08  
a 2.415959100500421 1.3224e-08 au
q 2.123325657406387 1.1081e-07 au
i 23.8944066153354 5.1227e-06 deg
node 265.1166520057135 1.1334e-05 deg
peri 1.210226018429854 2.4417e-05 deg
M 240.9456683372534 2.4138e-05 deg
tp 2459454.102557258824
(2021-Aug-27.60255726)
9.2946e-05 TDB
period 1371.616793211348
3.76
1.1261e-05
3.083e-08
d
yr
n .2624639781182153 2.1549e-09 deg/d
Q 2.708592543594455 1.4826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      25410 days (69.57 yr)  
   first obs. used      1950-07-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:54:52  

Additional Information
 Earth MOID = 1.10752 au 
 Jupiter MOID = 2.39588 au 
 T_jup = 3.391 
[ 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 13.9   n/a MPO502317  
diameter diameter 10.749 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19728 (1999 XQ14)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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