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187393 (2005 UL494)
Classification: Main-belt Asteroid          SPK-ID: 2187393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323056353553357 3.3068e-08  
a 2.597406822804829 1.9571e-08 au
q 1.994014580556869 8.6702e-08 au
i 12.5751400095289 6.596e-06 deg
node 200.7982365856165 1.9071e-05 deg
peri 68.56387370509111 2.8191e-05 deg
M 340.839362828572 2.4127e-05 deg
tp 2459281.879653933081
(2021-Mar-08.37965393)
0.00010319 TDB
period 1529.003193045987
4.19
1.7281e-05
4.731e-08
d
yr
n .2354475135417016 2.6611e-09 deg/d
Q 3.200799065052788 2.4117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      2000-07-10  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:57:59  

Additional Information
 Earth MOID = 1.01708 au 
 Jupiter MOID = 1.99988 au 
 T_jup = 3.345 
[ 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 15.46   n/a E2021B55  
diameter diameter 5.672 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187393 (2005 UL494)          Discovered 2005-Oct-25 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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