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201873 (2003 YU162)
Classification: Main-belt Asteroid          SPK-ID: 2201873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418493825665698 5.3774e-08  
a 3.053697326619787 3.7647e-08 au
q 2.315162513631607 1.6445e-07 au
i 12.32225230183436 8.9093e-06 deg
node 301.7667986063706 3.3635e-05 deg
peri 124.8439337807351 3.913e-05 deg
M 43.55716506171766 1.9641e-05 deg
tp 2458764.672463026903
(2019-Oct-08.17246303)
0.00010447 TDB
period 1949.114759650224
5.34
3.6044e-05
9.868e-08
d
yr
n .1846992324169786 3.4156e-09 deg/d
Q 3.792232139607968 4.6752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:12:37  

Additional Information
 Earth MOID = 1.35459 au 
 Jupiter MOID = 1.63065 au 
 T_jup = 3.156 
[ 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 15.7   n/a MPO334214  
rotation period rot_per 6.436 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

201873 (2003 YU162)          Discovered 2003-Dec-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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