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379278 (2009 UP131)
Classification: Main-belt Asteroid          SPK-ID: 2379278
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07618017539979713 3.9819e-07  
a 2.539116735003853 3.4928e-08 au
q 2.345686376770699 1.0264e-06 au
i 9.019665088528289 6.1972e-06 deg
node 284.7951007321016 7.4881e-05 deg
peri 125.0901988451385 0.00018493 deg
M 224.0863371308293 0.00016669 deg
tp 2459558.434278810732
(2021-Dec-09.93427881)
0.00068992 TDB
period 1477.823024791893
4.05
3.0493e-05
8.349e-08
d
yr
n .2436015638954435 5.0265e-09 deg/d
Q 2.732547093237007 3.7589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6856 days (18.77 yr)  
   first obs. used      2000-06-30  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:50:41  

Additional Information
 Earth MOID = 1.37035 au 
 Jupiter MOID = 2.53294 au 
 T_jup = 3.425 
[ 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 16.5   n/a MPO434346  
diameter diameter 3.487 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379278 (2009 UP131)          Discovered 2009-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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