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19714 (1999 UD)
Classification: Main-belt Asteroid          SPK-ID: 2019714
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987354085566327 3.4455e-08  
a 2.255475899530944 7.1116e-09 au
q 1.807232975148023 7.7089e-08 au
i 7.186055346495328 4.353e-06 deg
node 198.0070050665447 2.9816e-05 deg
peri 104.9553464609366 3.1734e-05 deg
M 142.2612778519683 1.2488e-05 deg
tp 2458711.577619261508
(2019-Aug-16.07761926)
4.2094e-05 TDB
period 1237.245016518189
3.39
5.8516e-06
1.602e-08
d
yr
n .2909690442828368 1.3762e-09 deg/d
Q 2.703718823913865 8.525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1531  
   data-arc span      14038 days (38.43 yr)  
   first obs. used      1982-09-19  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:03:36  

Additional Information
 Earth MOID = .806831 au 
 Jupiter MOID = 2.56528 au 
 T_jup = 3.587 
[ 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 14.7   n/a MPO435882  
diameter diameter 3.259 km 0.879 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.200   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

19714 (1999 UD)          Discovered 1999-Oct-16 by Korlevic, K. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UD = 1982 SP1 = 1998 FG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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