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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223261237594525 8.0743e-08  
a 2.330912668449298 1.6703e-08 au
q 2.045781156896093 1.9163e-07 au
i 12.09223401825211 9.5086e-06 deg
node 215.1873342241844 1.8559e-05 deg
peri 336.3820142303031 3.7909e-05 deg
M 132.95110491363 2.7553e-05 deg
tp 2458916.460604203916
(2020-Mar-07.96060420)
0.0001011 TDB
period 1299.832615899333
3.56
1.3972e-05
3.825e-08
d
yr
n .2769587372993574 2.977e-09 deg/d
Q 2.616044180002503 1.8747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5523 days (15.12 yr)  
   first obs. used      2006-05-08  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61709  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Earth MOID = 1.04967 au 
 Jupiter MOID = 2.35879 au 
 T_jup = 3.531 
[ 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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