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216560 (2001 WP47)
Classification: Main-belt Asteroid          SPK-ID: 2216560
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207783318142204 5.6952e-08  
a 3.19772986279651 3.2966e-08 au
q 2.811513384375431 1.8789e-07 au
i 17.60225058895561 5.7119e-06 deg
node 76.45160710310262 1.9158e-05 deg
peri 57.78659043229615 3.4705e-05 deg
M 50.05364341032589 2.4792e-05 deg
tp 2458910.101559030520
(2020-Mar-01.60155903)
0.00014444 TDB
period 2088.62795245482
5.72
3.2298e-05
8.843e-08
d
yr
n .1723619563632108 2.6654e-09 deg/d
Q 3.583946341217588 3.6948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      7048 days (19.30 yr)  
   first obs. used      2001-10-23  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:20  

Additional Information
 Earth MOID = 1.86963 au 
 Jupiter MOID = 1.77113 au 
 T_jup = 3.111 
[ 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 14.97   n/a MPCxxxxx  
diameter diameter 6.480 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216560 (2001 WP47)          Discovered 2001-Nov-19 by LONEOS at Anderson Mesa
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2001 WP47 = 2007 VJ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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