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295805 (2008 UK305)
Classification: Main-belt Asteroid          SPK-ID: 2295805
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380316035318292 6.2546e-08  
a 2.574698342043837 3.4958e-08 au
q 1.961838767076401 1.5124e-07 au
i 2.562871152271121 6.6004e-06 deg
node 262.8596178637459 0.00045558 deg
peri 198.8605865115209 0.00045849 deg
M 235.1183112498796 5.4529e-05 deg
tp 2459523.960865742613
(2021-Nov-05.46086574)
0.00023332 TDB
period 1508.99554252832
4.13
3.0732e-05
8.414e-08
d
yr
n .2385692931848032 4.8587e-09 deg/d
Q 3.187557917011274 4.3279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2000-11-25  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57161  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:38:28  

Additional Information
 Earth MOID = .978929 au 
 Jupiter MOID = 1.98254 au 
 T_jup = 3.386 
[ 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 17.1   n/a MPO437322  
rotation period rot_per 2.75 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

295805 (2008 UK305)          Discovered 2008-Oct-30 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 UK305 = 2000 WM101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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