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541667 (2011 UJ323)
Classification: Main-belt Asteroid          SPK-ID: 2541667
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327140840494099 5.9346e-08  
a 2.460552124260016 3.5061e-08 au
q 1.887946990407016 1.4804e-07 au
i 12.64931895766225 1.3551e-05 deg
node 229.5355175687731 2.157e-05 deg
peri 71.16487691126973 3.9331e-05 deg
M 198.9242203797826 3.3412e-05 deg
tp 2459831.275799126759
(2022-Sep-08.77579913)
0.00013543 TDB
period 1409.766808026869
3.86
3.0132e-05
8.25e-08
d
yr
n .2553613817194785 5.458e-09 deg/d
Q 3.033157258113016 4.322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      3405 days (9.32 yr)  
   first obs. used      2011-10-17  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:03  

Additional Information
 Earth MOID = .914763 au 
 Jupiter MOID = 2.28575 au 
 T_jup = 3.420 
[ 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 17.75   .30664 MPCxxxxx autocmod 2.8

541667 (2011 UJ323)          Discovered 2011-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UJ323 = 2015 XM73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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