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287432 (2002 WP28)
Classification: Main-belt Asteroid          SPK-ID: 2287432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863049696656614 5.7781e-08  
a 3.188771719832038 3.3248e-08 au
q 2.594687701298012 1.8996e-07 au
i 4.17236518566698 7.7792e-06 deg
node 165.0381644867061 8.1584e-05 deg
peri 251.6053543506185 8.4644e-05 deg
M 96.6619057639801 2.0474e-05 deg
tp 2458838.047262609608
(2019-Dec-20.54726261)
0.00011609 TDB
period 2079.857456477519
5.69
3.2529e-05
8.906e-08
d
yr
n .1730887849447635 2.7071e-09 deg/d
Q 3.782855738366065 3.9442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2002-11-14  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:37:22  

Additional Information
 Earth MOID = 1.60994 au 
 Jupiter MOID = 1.60144 au 
 T_jup = 3.166 
[ 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 16.91   n/a MPCxxxxx  

287432 (2002 WP28)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2002 WP28 = 2007 RZ65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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