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187360 (2005 UW258)
Classification: Main-belt Asteroid          SPK-ID: 2187360
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02671020101586217 7.0655e-08  
a 3.045148778515718 2.9935e-08 au
q 2.963812242518356 1.9722e-07 au
i 2.456829907274721 5.4481e-06 deg
node 145.6026675913677 9.7399e-05 deg
peri 57.67668556189388 0.00013473 deg
M 143.5890235418552 9.2372e-05 deg
tp 2458426.341400577124
(2018-Nov-03.84140058)		 0.00049883 TDB
period 1940.935935893436
5.31		 2.862e-05
7.836e-08		 d
yr
n .1854775283112514 2.735e-09 deg/d
Q 3.12648531451308 3.0735e-08 au
   Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:06  

Additional Information
 Earth MOID = 1.95937 au 
 Jupiter MOID = 1.8286 au 
 T_jup = 3.237 
[ 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 16.03   n/a E2021B55  

187360 (2005 UW258)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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