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43386 (2000 WJ57)
Classification: Main-belt Asteroid          SPK-ID: 2043386
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715498788650083 3.3013e-08  
a 2.39011289205277 7.8612e-09 au
q 1.980089314947422 7.7083e-08 au
i 2.463847993477651 4.169e-06 deg
node 162.6123298173612 7.0069e-05 deg
peri 305.5050667014837 7.113e-05 deg
M 126.8248817182226 1.1422e-05 deg
tp 2458725.024642427473
(2019-Aug-29.52464243)
4.2115e-05 TDB
period 1349.665195086992
3.70
6.6586e-06
1.823e-08
d
yr
n .2667328173760873 1.3159e-09 deg/d
Q 2.800136469158117 9.2098e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      8629 days (23.62 yr)  
   first obs. used      1996-10-13  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:19:32  

Additional Information
 Earth MOID = .997903 au 
 Jupiter MOID = 2.32361 au 
 T_jup = 3.511 
[ 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 15.63   n/a E2021B10  

43386 (2000 WJ57)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WJ57 = 1998 HP56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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