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52443 (1994 TW)
Classification: Main-belt Asteroid          SPK-ID: 2052443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783541786931483 4.5678e-08  
a 2.531451475106614 7.4506e-09 au
q 2.079956526362415 1.1672e-07 au
i 13.82952211914948 4.6623e-06 deg
node 20.46567758921058 1.5095e-05 deg
peri 353.0267931290728 1.8652e-05 deg
M 133.1104715440548 1.1263e-05 deg
tp 2458456.545519463378
(2018-Dec-04.04551946)
4.4906e-05 TDB
period 1471.136047537577
4.03
6.4948e-06
1.778e-08
d
yr
n .2447088429398333 1.0803e-09 deg/d
Q 2.982946423850813 8.7794e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      10786 days (29.53 yr)  
   first obs. used      1990-10-18  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:22:34  

Additional Information
 Earth MOID = 1.08182 au 
 Jupiter MOID = 2.48005 au 
 T_jup = 3.388 
[ 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 14.6   n/a MPO309551  
diameter diameter 3.190 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52443 (1994 TW)          Discovered 1994-Oct-02 by Endate, K., Watanabe, K. at Kitami
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 TW = 1998 SG112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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