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46550 (1989 SZ13)
Classification: Main-belt Asteroid          SPK-ID: 2046550
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08956480496163845 4.4999e-08  
a 2.715291200028971 1.1736e-08 au
q 2.472096673284323 1.2328e-07 au
i 11.78708129139264 4.8803e-06 deg
node 306.5139570017586 1.9523e-05 deg
peri 62.22829248438493 3.1533e-05 deg
M 318.682460015665 2.3108e-05 deg
tp 2459188.066381571338
(2020-Dec-04.56638157)
0.00010498 TDB
period 1634.267127018752
4.47
1.0595e-05
2.901e-08
d
yr
n .2202822256216558 1.4281e-09 deg/d
Q 2.958485726773619 1.2787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      11359 days (31.10 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:46:46  

Additional Information
 Earth MOID = 1.49316 au 
 Jupiter MOID = 2.48437 au 
 T_jup = 3.325 
[ 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 14.7   n/a MPO436107  
diameter diameter 3.590 km 0.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.137   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46550 (1989 SZ13)          Discovered 1989-Sep-26 by Baur, J. M., Birkle, K. at Calar Alto
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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