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14559 (1997 WP28)
Classification: Main-belt Asteroid          SPK-ID: 2014559
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108035599575025 3.7295e-08  
a 2.974842592916135 1.8496e-08 au
q 2.653453689749118 1.0988e-07 au
i 8.859935024308781 4.314e-06 deg
node 274.7340425313264 2.7623e-05 deg
peri 105.3897662832242 3.4723e-05 deg
M 177.2283530984283 2.1162e-05 deg
tp 2458277.875220921701
(2018-Jun-08.37522092)
0.00010853 TDB
period 1874.107131626521
5.13
1.7478e-05
4.785e-08
d
yr
n .1920914732806972 1.7915e-09 deg/d
Q 3.296231496083152 2.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      11393 days (31.19 yr)  
   first obs. used      1989-03-02  
   last obs. used      2020-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:32:29  

Additional Information
 Earth MOID = 1.67266 au 
 Jupiter MOID = 2.19202 au 
 T_jup = 3.235 
[ 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 13.86   n/a E2020-QM5  
diameter diameter 7.274 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14559 (1997 WP28)          Discovered 1997-Nov-29 by Pravec, P. at Ondrejov
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WP28 = 1989 EF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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