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186541 (2002 WJ1)
Classification: Main-belt Asteroid          SPK-ID: 2186541
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141061921718961 4.2788e-08  
a 2.325130462027008 1.4666e-08 au
q 2.059818678702225 1.0046e-07 au
i 6.116611550774766 6.8946e-06 deg
node 19.2109921499516 4.4563e-05 deg
peri 279.2294237316713 5.4092e-05 deg
M 136.7472828549007 3.1454e-05 deg
tp 2458708.590034641014
(2019-Aug-13.09003464)
0.00011166 TDB
period 1294.998948660197
3.55
1.2253e-05
3.355e-08
d
yr
n .2779925036792155 2.6303e-09 deg/d
Q 2.590442245351792 1.634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:41  

Additional Information
 Earth MOID = 1.05321 au 
 Jupiter MOID = 2.59606 au 
 T_jup = 3.559 
[ 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 16.41   n/a MPCxxxxx  

186541 (2002 WJ1)          Discovered 2002-Nov-23 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 WJ1 = 2004 FK51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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