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410987 (2009 UT21)
Classification: Main-belt Asteroid          SPK-ID: 2410987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06973936008851896 1.1245e-07  
a 3.026090346170148 4.912e-08 au
q 2.815052741858197 3.6739e-07 au
i 8.449912835438887 9.9086e-06 deg
node 156.3755925828689 3.2344e-05 deg
peri 208.8860774440241 5.9692e-05 deg
M 22.23529744878289 4.5804e-05 deg
tp 2458881.742320025099
(2020-Feb-02.24232002)
0.00024505 TDB
period 1922.743102017944
5.26
4.6816e-05
1.282e-07
d
yr
n .1872325011189354 4.5588e-09 deg/d
Q 3.2371279504821 5.2546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5374 days (14.71 yr)  
   first obs. used      2006-02-02  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:47:36  

Additional Information
 Earth MOID = 1.81521 au 
 Jupiter MOID = 2.14895 au 
 T_jup = 3.224 
[ 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 17.0   n/a MPO495084  

410987 (2009 UT21)          Discovered 2009-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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