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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08694728653143829 1.6039e-07  
a 3.119756536271806 5.1406e-08 au
q 2.848502170804254 5.1909e-07 au
i 22.85506681543695 1.2625e-05 deg
node 40.7371991212547 2.907e-05 deg
peri 197.360094065352 8.2982e-05 deg
M 299.5421969243683 7.8908e-05 deg
tp 2458938.509839414601
(2020-Mar-30.00983941)
0.00044264 TDB
period 2012.70201692629
5.51
4.9746e-05
1.362e-07
d
yr
n .1788640330125848 4.4208e-09 deg/d
Q 3.391010901739358 5.5875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      6371 days (17.44 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:27  

Additional Information
 Earth MOID = 1.84392 au 
 Jupiter MOID = 1.6057 au 
 T_jup = 3.090 
[ 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 15.8   n/a MPO455306  
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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