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JPL Small-Body Database Browser
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249502 (2009 YL16)
Classification: Main-belt Asteroid          SPK-ID: 2249502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119510057359292 7.0513e-08  
a 2.659760353919731 2.7227e-08 au
q 2.341892241460813 1.9265e-07 au
i 12.03423447932134 6.1375e-06 deg
node 278.8420332195349 4.1288e-05 deg
peri 308.5694832129656 5.0568e-05 deg
M 337.649625150251 3.0155e-05 deg
tp 2458698.865884100479
(2019-Aug-03.36588410)
0.0001327 TDB
period 1584.390352028928
4.34
2.4328e-05
6.661e-08
d
yr
n .227216733262099 3.4889e-09 deg/d
Q 2.977628466378649 3.0481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6185 days (16.93 yr)  
   first obs. used      2002-06-17  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:49  

Additional Information
 Earth MOID = 1.35066 au 
 Jupiter MOID = 2.13368 au 
 T_jup = 3.345 
[ 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 15.5   n/a MPO433635  
diameter diameter 2.098 km 0.583 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249502 (2009 YL16)          Discovered 2009-Dec-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 YL16 = 2003 UA341 = 2004 YS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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