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187337 (2005 UW108)
Classification: Main-belt Asteroid          SPK-ID: 2187337
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201754017043784 6.3933e-08  
a 2.585086620542743 1.9837e-08 au
q 2.015914135424131 1.7338e-07 au
i 5.748720283789286 6.4704e-06 deg
node 144.611521243347 5.1994e-05 deg
peri 221.4719801899474 5.428e-05 deg
M 244.970922902117 2.0949e-05 deg
tp 2459685.583174861080
(2022-Apr-16.08317486)
9.3175e-05 TDB
period 1518.137390612889
4.16
1.7475e-05
4.784e-08
d
yr
n .2371326878752812 2.7295e-09 deg/d
Q 3.154259105661355 2.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:52:06  

Additional Information
 Earth MOID = 1.01658 au 
 Jupiter MOID = 2.3121 au 
 T_jup = 3.381 
[ 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 16.77   n/a E2021B55  
rotation period rot_per 6.15 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

187337 (2005 UW108)          Discovered 2005-Oct-22 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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