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JPL Small-Body Database Browser
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523187 (2016 UJ55)
Classification: Inner Main-belt Asteroid          SPK-ID: 2523187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0832859918673412 1.057e-07  
a 1.920706382141057 2.5813e-08 au
q 1.760738446018507 2.083e-07 au
i 21.02299850527212 9.776e-05 deg
node 212.7816276176935 1.4458e-05 deg
peri 92.49445033213628 0.0011262 deg
M 56.21585929518822 0.0011106 deg
tp 2458448.673965555499
(2018-Nov-26.17396556)
0.0029979 TDB
period 972.2767397900267
2.66
1.96e-05
5.366e-08
d
yr
n .3702649515998354 7.464e-09 deg/d
Q 2.080674318263608 2.7962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5881 days (16.10 yr)  
   first obs. used      2002-04-09  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .44719  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:56:04  

Additional Information
 Earth MOID = .858107 au 
 Jupiter MOID = 3.05729 au 
 T_jup = 3.839 
[ 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 19.1   n/a MPO421385  

523187 (2016 UJ55)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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