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390029 (2012 UZ40)
Classification: Main-belt Asteroid          SPK-ID: 2390029
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06876873185634083 5.6223e-08  
a 2.646431120761675 2.4337e-08 au
q 2.46443940864174 1.4252e-07 au
i 11.80320879595304 5.5905e-06 deg
node 36.30697942629912 2.7673e-05 deg
peri 98.17571293072433 4.8419e-05 deg
M 179.0680104182886 4.059e-05 deg
tp 2458218.323386198422
(2018-Apr-09.82338620)
0.00017553 TDB
period 1572.495167120086
4.31
2.1691e-05
5.939e-08
d
yr
n .2289355207744865 3.158e-09 deg/d
Q 2.82842283288161 2.6011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      9122 days (24.97 yr)  
   first obs. used      1995-11-18  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:51:00  

Additional Information
 Earth MOID = 1.51026 au 
 Jupiter MOID = 2.2228 au 
 T_jup = 3.359 
[ 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 16.6   n/a MPO437596  
diameter diameter 2.028 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390029 (2012 UZ40)          Discovered 1995-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 UZ40 = 1995 WK26 = 2008 UH71 = 2010 MZ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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