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186263 (2001 YL44)
Classification: Main-belt Asteroid          SPK-ID: 2186263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2798890247218014 5.7084e-08  
a 2.563489265334596 2.4956e-08 au
q 1.845996754975289 1.4704e-07 au
i 13.44450800791785 4.223e-06 deg
node 276.9763857447703 2.7161e-05 deg
peri 49.13134741458751 2.9608e-05 deg
M 312.7100087408365 1.3384e-05 deg
tp 2459397.430241999800
(2021-Jul-01.93024200)
5.6407e-05 TDB
period 1499.152045332438
4.10
2.1892e-05
5.994e-08
d
yr
n .240135749486417 3.5066e-09 deg/d
Q 3.280981775693903 3.1941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      6771 days (18.54 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:33  

Additional Information
 Earth MOID = .860581 au 
 Jupiter MOID = 2.1449 au 
 T_jup = 3.341 
[ 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 15.08   n/a E2021B55  
diameter diameter 5.977 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186263 (2001 YL44)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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