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190916 (2001 UD123)
Classification: Main-belt Asteroid          SPK-ID: 2190916
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088989226956622 3.7342e-08  
a 2.365206429793894 9.4239e-09 au
q 2.107637997636485 8.8497e-08 au
i 6.187873876732566 3.9422e-06 deg
node 231.2378960526748 3.8892e-05 deg
peri 162.6337860396592 4.3854e-05 deg
M 109.5660580028975 1.9542e-05 deg
tp 2458796.133155223096
(2019-Nov-08.63315522)		 7.1737e-05 TDB
period 1328.623725021082
3.64		 7.9406e-06
2.174e-08		 d
yr
n .2709570762740126 1.6194e-09 deg/d
Q 2.622774861951302 1.045e-08 au
   Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7082 days (19.39 yr)  
   first obs. used      2001-10-22  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:39  

Additional Information
 Earth MOID = 1.11409 au 
 Jupiter MOID = 2.7684 au 
 T_jup = 3.533 
[ 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 16.2   n/a MPO348486  

190916 (2001 UD123)          Discovered 2001-Oct-22 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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