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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211132931168058 2.3048e-08  
a 2.415573021861553 1.3053e-08 au
q 2.123015018419787 5.7852e-08 au
i 23.89387242464979 7.5697e-07 deg
node 265.1123679651051 8.7154e-07 deg
peri 1.292910920948813 7.4423e-06 deg
M 293.3604578338113 1.11e-05 deg
tp 2459454.338905579698
(2021-Aug-27.83890558)
4.3508e-05 TDB
period 1371.288022669761
3.75
1.1115e-05
3.043e-08
d
yr
n .2625269046681498 2.128e-09 deg/d
Q 2.70813102530332 1.4634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      25798 days (70.63 yr)  
   first obs. used      1950-07-11  
   last obs. used      2021-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:04:25  

Additional Information
 Earth MOID = 1.10546 au 
 Jupiter MOID = 2.39554 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 13.88   n/a E2021B10  
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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