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JPL Small-Body Database Browser
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344723 (2003 UD101)
Classification: Main-belt Asteroid          SPK-ID: 2344723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042059191485747 8.1564e-08  
a 2.659816247225077 2.258e-08 au
q 2.116666025694167 2.1854e-07 au
i 2.984749318384351 9.5877e-06 deg
node 92.84055390759755 0.00021984 deg
peri 251.8602220372621 0.00022198 deg
M 235.3558549064829 3.0171e-05 deg
tp 2459149.086683340284
(2020-Oct-26.58668334)
0.00013465 TDB
period 1584.440294843611
4.34
2.0176e-05
5.524e-08
d
yr
n .2272095712104652 2.8933e-09 deg/d
Q 3.202966468755986 2.7191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6631 days (18.15 yr)  
   first obs. used      1999-11-28  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5862  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:18:24  

Additional Information
 Earth MOID = 1.11059 au 
 Jupiter MOID = 2.20993 au 
 T_jup = 3.354 
[ 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 16.8   n/a MPO437460  
rotation period rot_per 3.92 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. 237, A19.]

344723 (2003 UD101)          Discovered 2003-Oct-20 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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