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43380 (2000 WJ44)
Classification: Main-belt Asteroid          SPK-ID: 2043380
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03394817026391046 3.2029e-08  
a 2.354917939473976 8.6919e-09 au
q 2.274972784307176 7.3764e-08 au
i 3.842841955021548 3.9251e-06 deg
node 159.6955744992223 5.5792e-05 deg
peri 331.4444794392485 8.6641e-05 deg
M 144.4881799304161 6.5587e-05 deg
tp 2458670.724446733443
(2019-Jul-06.22444673)
0.0002404 TDB
period 1319.96402243982
3.61
7.3079e-06
2.001e-08
d
yr
n .2727347063100828 1.51e-09 deg/d
Q 2.434863094640775 8.9869e-09 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      10663 days (29.19 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:19:27  

Additional Information
 Earth MOID = 1.28951 au 
 Jupiter MOID = 2.55295 au 
 T_jup = 3.551 
[ 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 15.89   n/a E2021B10  

43380 (2000 WJ44)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WJ44 = 1998 FW37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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