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541642 (2011 UD202)
Classification: Main-belt Asteroid          SPK-ID: 2541642
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058966686049558 8.4002e-08  
a 2.594668437768339 2.6939e-08 au
q 2.319901694074247 2.3074e-07 au
i 4.200349065928339 6.0662e-06 deg
node 83.0671362786012 0.00011761 deg
peri 321.2313466513286 0.00013093 deg
M 72.93622894974696 5.4938e-05 deg
tp 2458891.212737503579
(2020-Feb-11.71273750)
0.0002304 TDB
period 1526.585842207816
4.18
2.3775e-05
6.509e-08
d
yr
n .2358203450120775 3.6726e-09 deg/d
Q 2.869435181462431 2.9792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      9133 days (25.00 yr)  
   first obs. used      1996-02-18  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:56  

Additional Information
 Earth MOID = 1.32999 au 
 Jupiter MOID = 2.47649 au 
 T_jup = 3.406 
[ 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 17.93   n/a MPCxxxxx  

541642 (2011 UD202)          Discovered 2011-Oct-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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