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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818115283321492 6.0817e-08  
a 2.742555156143695 4.9044e-08 au
q 2.243927011669994 1.6347e-07 au
i 4.223810828213199 7.2599e-06 deg
node 49.31149366886801 0.00012139 deg
peri 21.97434155634376 0.00012446 deg
M 303.2672909512822 3.3187e-05 deg
tp 2459261.934262599925
(2021-Feb-16.43426260)
0.00015768 TDB
period 1658.943070304519
4.54
4.45e-05
1.218e-07
d
yr
n .2170056383754734 5.821e-09 deg/d
Q 3.241183300617396 5.7961e-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 = 1.25907 au 
 Jupiter MOID = 2.05683 au 
 T_jup = 3.321 
[ 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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