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541628 (2011 UJ156)
Classification: Main-belt Asteroid          SPK-ID: 2541628
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 .1219973958098653 8.6662e-08  
a 2.330508963257135 1.6878e-08 au
q 2.046192938828215 2.0607e-07 au
i 12.09068956566666 9.9585e-06 deg
node 215.2462382995399 1.8596e-05 deg
peri 336.1857307804871 4.1975e-05 deg
M 78.84840702226461 3.1265e-05 deg
tp 2458915.880260928264
(2020-Mar-07.38026093)
0.00011399 TDB
period 1299.494941437337
3.56
1.4117e-05
3.865e-08
d
yr
n .2770307051767462 3.0094e-09 deg/d
Q 2.614824987686054 1.8937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5131 days (14.05 yr)  
   first obs. used      2006-05-08  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:53  

Additional Information
 Earth MOID = 1.04871 au 
 Jupiter MOID = 2.36123 au 
 T_jup = 3.532 
[ 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 17.54   .40192 E2021B25 autocmod 2.8

541628 (2011 UJ156)          Discovered 2011-Oct-24 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UJ156 = 2016 AH151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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