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43394 (2000 WM87)
Classification: Main-belt Asteroid          SPK-ID: 2043394
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442142128095507 3.4337e-08  
a 2.694237216938834 1.6123e-08 au
q 2.305689917575806 9.4457e-08 au
i 12.09690901399941 5.0511e-06 deg
node 79.31591035577567 2.8477e-05 deg
peri 28.73255965769478 3.783e-05 deg
M 187.0030814154433 2.5151e-05 deg
tp 2459976.725740160517
(2023-Feb-01.22574016)
0.00011568 TDB
period 1615.296207262802
4.42
1.45e-05
3.97e-08
d
yr
n .2228693402370068 2.0006e-09 deg/d
Q 3.082784516301863 1.8449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-08-30  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:19:38  

Additional Information
 Earth MOID = 1.3296 au 
 Jupiter MOID = 2.11259 au 
 T_jup = 3.324 
[ 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 14.72   n/a E2021B10  
diameter diameter 5.193 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43394 (2000 WM87)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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