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JPL Small-Body Database Browser
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392261 (2009 YF22)
Classification: Main-belt Asteroid          SPK-ID: 2392261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489940178266818 6.3514e-08  
a 2.345243950216228 3.2579e-08 au
q 1.995816631289794 1.5809e-07 au
i 9.001599558663942 7.3741e-06 deg
node 299.0573996603737 4.1304e-05 deg
peri 172.0886749315175 4.7939e-05 deg
M 213.4871620657864 2.9393e-05 deg
tp 2459134.392282690397
(2020-Oct-11.89228269)
0.00011394 TDB
period 1311.838774530079
3.59
2.7335e-05
7.484e-08
d
yr
n .2744239665647614 5.7183e-09 deg/d
Q 2.694671269142662 3.7433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5085 days (13.92 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:03:56  

Additional Information
 Earth MOID = 1.01303 au 
 Jupiter MOID = 2.41581 au 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO397426  
diameter diameter 2.265 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392261 (2009 YF22)          Discovered 2009-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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