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442472 (2011 UY303)
Classification: Main-belt Asteroid          SPK-ID: 2442472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01189740777385759 1.2193e-07  
a 2.775450939507339 6.9283e-08 au
q 2.742430267923684 3.3938e-07 au
i 5.797962131544345 9.7478e-06 deg
node 90.63662558613952 0.000134 deg
peri 109.2233305008281 0.0005137 deg
M 140.0878364835942 0.00049638 deg
tp 2458343.301313849550
(2018-Aug-12.80131385)
0.0023274 TDB
period 1688.879869608589
4.62
6.3239e-05
1.731e-07
d
yr
n .213159033083527 7.9816e-09 deg/d
Q 2.808471611090994 7.0108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      5144 days (14.08 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:26:25  

Additional Information
 Earth MOID = 1.73985 au 
 Jupiter MOID = 2.16479 au 
 T_jup = 3.328 
[ 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 17.1   n/a MPO440832  

442472 (2011 UY303)          Discovered 2009-Apr-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UY303 = 2009 HE40 = 2013 BN68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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