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JPL Small-Body Database Browser
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442392 (2011 UL37)
Classification: Main-belt Asteroid          SPK-ID: 2442392
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2944573034703128 1.0777e-07  
a 2.60947192534305 4.3578e-08 au
q 1.84109385872505 2.9591e-07 au
i 6.439473479533722 6.0228e-06 deg
node 51.1282550328939 9.7732e-05 deg
peri 293.2272361159498 9.8255e-05 deg
M 307.8340412991228 1.3295e-05 deg
tp 2458823.606417397833
(2019-Dec-06.10641740)
6.1127e-05 TDB
period 1539.669015262809
4.22
3.8568e-05
1.056e-07
d
yr
n .233816486810674 5.857e-09 deg/d
Q 3.37784999196105 5.641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      4366 days (11.95 yr)  
   first obs. used      2006-04-30  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58163  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:17:13  

Additional Information
 Earth MOID = .844761 au 
 Jupiter MOID = 2.07382 au 
 T_jup = 3.339 
[ 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 MPO440831  
diameter diameter 3.361 km 0.906 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442392 (2011 UL37)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UL37 = 2007 RA270 = 2010 NJ102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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