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JPL Small-Body Database Browser
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423533 (2005 US169)
Classification: Main-belt Asteroid          SPK-ID: 2423533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940955415760921 1.1831e-07  
a 2.638881648238741 3.8654e-08 au
q 2.126686485568632 3.3006e-07 au
i 2.160765481134421 1.0442e-05 deg
node 347.20316871 0.00025493 deg
peri 159.7948383731424 0.00025608 deg
M 64.91664090958879 3.1177e-05 deg
tp 2458718.153873037308
(2019-Aug-22.65387304)
0.00013111 TDB
period 1565.771184127229
4.29
3.4403e-05
9.419e-08
d
yr
n .2299186520032084 5.0517e-09 deg/d
Q 3.151076810908851 4.6157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1998-01-30  
   last obs. used      2018-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:08:52  

Additional Information
 Earth MOID = 1.1386 au 
 Jupiter MOID = 1.8586 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO419086  

423533 (2005 US169)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Alternate Designations
 2005 US169 = 2007 EG182 = 2011 DB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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