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160938 (2001 YR104)
Classification: Main-belt Asteroid          SPK-ID: 2160938
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328218874279382 9.291e-08  
a 2.426045090854932 2.4066e-08 au
q 2.103813202902296 2.1016e-07 au
i 3.214509656291272 5.7092e-06 deg
node 162.876001142908 0.00010658 deg
peri 26.38339418025753 0.00010941 deg
M 245.1594434996065 3.243e-05 deg
tp 2459440.790705023085
(2021-Aug-14.29070502)
0.00012997 TDB
period 1380.214957489931
3.78
2.0537e-05
5.623e-08
d
yr
n .2608289368597327 3.8811e-09 deg/d
Q 2.748276978807568 2.7263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      7565 days (20.71 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:27:44  

Additional Information
 Earth MOID = 1.10506 au 
 Jupiter MOID = 2.20676 au 
 T_jup = 3.496 
[ 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 16.2   n/a MPO493916  

160938 (2001 YR104)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 YR104 = 2000 SK203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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