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541648 (2011 UD240)
Classification: Main-belt Asteroid          SPK-ID: 2541648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06156063942952089 9.7336e-08  
a 2.527940285636363 2.0456e-08 au
q 2.372318665212942 2.469e-07 au
i 6.201867325665773 9.4838e-06 deg
node 19.64421269440006 4.6376e-05 deg
peri 144.5380823775895 8.1861e-05 deg
M 343.9452397740265 6.2597e-05 deg
tp 2459265.971149549012
(2021-Feb-20.47114955)
0.00025531 TDB
period 1468.076352801161
4.02
1.7819e-05
4.879e-08
d
yr
n .2452188534425356 2.9764e-09 deg/d
Q 2.683561906059783 2.1715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      7336 days (20.08 yr)  
   first obs. used      2001-03-15  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:29  

Additional Information
 Earth MOID = 1.38119 au 
 Jupiter MOID = 2.28269 au 
 T_jup = 3.442 
[ 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 17.85   .36033 MPCxxxxx autocmod 2.8

541648 (2011 UD240)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UD240 = 2015 TV64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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