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312840 (2011 UW37)
Classification: Main-belt Asteroid          SPK-ID: 2312840
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08741836525703912 1.1377e-07  
a 3.121072666159697 4.4023e-08 au
q 2.848233595835588 3.5809e-07 au
i 22.8504467874164 1.0962e-05 deg
node 40.73366106427227 2.4606e-05 deg
peri 197.4656042158468 7.3313e-05 deg
M 10.99971799085653 6.3758e-05 deg
tp 2458938.963428300500
(2020-Mar-30.46342830)
0.00035691 TDB
period 2013.975797400863
5.51
4.2611e-05
1.167e-07
d
yr
n .1787509067708748 3.7819e-09 deg/d
Q 3.393911736483806 4.7871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6752 days (18.49 yr)  
   first obs. used      2001-12-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:51  

Additional Information
 Earth MOID = 1.84367 au 
 Jupiter MOID = 1.60258 au 
 T_jup = 3.089 
[ 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 15.9   n/a MPO476406  
diameter diameter 4.864 km 1.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312840 (2011 UW37)          Discovered 2003-May-27 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UW37 = 2003 KZ15 = 2010 LP84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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