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541645 (2011 UP204)
Classification: Main-belt Asteroid          SPK-ID: 2541645
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06002247072798188 1.4694e-07  
a 2.560070775374948 1.9363e-08 au
q 2.406409002198443 3.8192e-07 au
i 3.258620567641362 5.001e-06 deg
node 101.9852984751326 0.0001285 deg
peri 302.7774899590929 0.00015856 deg
M 91.48731707309663 8.9022e-05 deg
tp 2458820.280159088471
(2019-Dec-02.78015909)
0.00036837 TDB
period 1496.154298838892
4.10
1.6974e-05
4.647e-08
d
yr
n .2406168937785241 2.7298e-09 deg/d
Q 2.713732548551453 2.0525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6810 days (18.64 yr)  
   first obs. used      2002-08-08  
   last obs. used      2021-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:28  

Additional Information
 Earth MOID = 1.41635 au 
 Jupiter MOID = 2.50373 au 
 T_jup = 3.431 
[ 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 17.62   n/a MPCxxxxx  

541645 (2011 UP204)          Discovered 2007-Nov-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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