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277399 (2005 UB164)
Classification: Main-belt Asteroid          SPK-ID: 2277399
[ 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 .1533629546517715 9.0642e-08  
a 2.51951968927027 1.5439e-08 au
q 2.133118705420468 2.2552e-07 au
i 1.855181515168783 6.5688e-06 deg
node 324.5207778950548 0.00039757 deg
peri 122.8980614946857 0.0003995 deg
M 197.5047288890983 4.7218e-05 deg
tp 2459659.845866296365
(2022-Mar-21.34586630)		 0.00019145 TDB
period 1460.747197404238
4.00		 1.3426e-05
3.676e-08		 d
yr
n .2464492149221464 2.2652e-09 deg/d
Q 2.905920673120072 1.7806e-08 au
   Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2001-10-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:34  

Additional Information
 Earth MOID = 1.15018 au 
 Jupiter MOID = 2.2917 au 
 T_jup = 3.440 
[ 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 17.4   n/a MPO427523  
diameter diameter 1.668 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277399 (2005 UB164)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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