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JPL Small-Body Database Browser
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410998 (2009 UD44)
Classification: Main-belt Asteroid          SPK-ID: 2410998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145221957785165 6.0166e-08  
a 3.094744491668807 6.0959e-08 au
q 2.740327557109426 2.0934e-07 au
i 4.705608429182396 6.6249e-06 deg
node 209.2167554518125 9.8742e-05 deg
peri 209.7736548297352 0.0001108 deg
M 247.5682577612228 5.4862e-05 deg
tp 2459221.543562694918
(2021-Jan-07.04356269)
0.00031677 TDB
period 1988.545922337049
5.44
5.8754e-05
1.609e-07
d
yr
n .1810368048110793 5.3489e-09 deg/d
Q 3.449161426228188 6.794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      2000-02-15  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:24:53  

Additional Information
 Earth MOID = 1.75337 au 
 Jupiter MOID = 1.88555 au 
 T_jup = 3.208 
[ 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 16.7   n/a MPO455921  

410998 (2009 UD44)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2009 UD44 = 2004 XB46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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