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JPL Small-Body Database Browser
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442383 (2011 US16)
Classification: Main-belt Asteroid          SPK-ID: 2442383
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812131640126774 6.0613e-08  
a 2.745470312705397 5.0018e-08 au
q 2.247954950637177 1.6285e-07 au
i 4.22494911976193 7.2608e-06 deg
node 49.35376076263807 0.00012126 deg
peri 21.61788819016159 0.00012437 deg
M 216.8343250699396 3.1766e-05 deg
tp 2459261.284670196029
(2021-Feb-15.78467020)
0.0001583 TDB
period 1661.588794847517
4.55
4.5408e-05
1.243e-07
d
yr
n .2166601033398501 5.9208e-09 deg/d
Q 3.242985674773617 5.9082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5619 days (15.38 yr)  
   first obs. used      2002-11-24  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55316  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:28:26  

Additional Information
 Earth MOID = 1.26281 au 
 Jupiter MOID = 2.05626 au 
 T_jup = 3.320 
[ 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 16.9   n/a MPO440831  

442383 (2011 US16)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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