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15443 (1998 WM19)
Classification: Main-belt Asteroid          SPK-ID: 2015443
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406276284257486 2.5259e-08  
a 2.581420923140262 8.6243e-09 au
q 1.960259728436414 6.5757e-08 au
i 3.758866392773921 4.9247e-06 deg
node 209.0279127493048 4.8358e-05 deg
peri 229.9686847104739 5.0076e-05 deg
M 130.610087374681 1.2802e-05 deg
tp 2458650.882079261368
(2019-Jun-16.38207926)
5.2222e-05 TDB
period 1514.909418124035
4.15
7.5917e-06
2.078e-08
d
yr
n .2376379707545818 1.1909e-09 deg/d
Q 3.20258211784411 1.07e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1799  
   data-arc span      10875 days (29.77 yr)  
   first obs. used      1991-05-11  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:58:40  

Additional Information
 Earth MOID = .977826 au 
 Jupiter MOID = 2.07675 au 
 T_jup = 3.380 
[ 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 14.58   n/a E2021B10  
diameter diameter 2.936 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.356   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15443 (1998 WM19)          Discovered 1998-Nov-23 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WM19 = 1993 PC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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