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JPL Small-Body Database Browser
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376728 (1998 WC44)
Classification: Main-belt Asteroid          SPK-ID: 2376728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874310176415021 8.5064e-08  
a 2.412018605571283 1.8063e-08 au
q 1.95993150375882 1.9884e-07 au
i 1.71097410039744 7.4692e-06 deg
node 206.0913812270629 0.00028248 deg
peri 244.282052066658 0.0002831 deg
M 245.2241317459778 1.8949e-05 deg
tp 2459436.731972732958
(2021-Aug-10.23197273)
7.4e-05 TDB
period 1368.262445519435
3.75
1.537e-05
4.208e-08
d
yr
n .2631074185941958 2.9555e-09 deg/d
Q 2.864105707383745 2.1449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1998-11-16  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:55:47  

Additional Information
 Earth MOID = .977202 au 
 Jupiter MOID = 2.3369 au 
 T_jup = 3.494 
[ 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 17.9   n/a MPO476767  

376728 (1998 WC44)          Discovered 1998-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 1998 WC44 = 2007 DM48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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