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201871 (2003 YN154)
Classification: Main-belt Asteroid          SPK-ID: 2201871
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 .1099374495964412 4.5577e-08  
a 3.063093106864456 2.4912e-08 au
q 2.726344462819339 1.4245e-07 au
i 13.63507677759274 4.7387e-06 deg
node 59.47153411996281 2.2202e-05 deg
peri 48.66304810293465 4.1948e-05 deg
M 37.34842365675238 3.0769e-05 deg
tp 2458797.353895118633
(2019-Nov-09.85389512)
0.00016776 TDB
period 1958.11738748096
5.36
2.3888e-05
6.54e-08
d
yr
n .1838500604211097 2.2429e-09 deg/d
Q 3.399841750909574 2.7651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      8175 days (22.38 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:17  

Additional Information
 Earth MOID = 1.76395 au 
 Jupiter MOID = 1.91744 au 
 T_jup = 3.181 
[ 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 15.2   n/a MPO503057  
diameter diameter 3.213 km 0.743 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201871 (2003 YN154)          Discovered 2003-Dec-29 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 YN154 = 2002 UV46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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