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123361 (2000 WK28)
Classification: Main-belt Asteroid          SPK-ID: 2123361
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2356146080026912 5.1001e-08  
a 2.659352736615945 1.4746e-08 au
q 2.032770384037295 1.38e-07 au
i 15.04210043422765 4.9263e-06 deg
node 81.09840360455809 2.2775e-05 deg
peri 336.4027150155213 2.5312e-05 deg
M 178.2201005807832 1.2772e-05 deg
tp 2458216.318613623907
(2018-Apr-07.81861362)
5.2219e-05 TDB
period 1584.026146183386
4.34
1.3175e-05
3.607e-08
d
yr
n .2272689758735346 1.8903e-09 deg/d
Q 3.285935089194595 1.822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      7179 days (19.66 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:59:39  

Additional Information
 Earth MOID = 1.05414 au 
 Jupiter MOID = 2.07465 au 
 T_jup = 3.299 
[ 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 15.0   n/a MPO338119  
diameter diameter 5.137 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123361 (2000 WK28)          Discovered 2000-Nov-23 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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