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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0895648019057987 4.5077e-08  
a 2.715291198358716 1.7782e-08 au
q 2.472096680061159 1.236e-07 au
i 11.78707741423035 5.3066e-06 deg
node 306.5139716126793 2.1186e-05 deg
peri 62.22827736031127 3.5428e-05 deg
M 318.6824614622466 2.9612e-05 deg
tp 2459188.066374831325
(2020-Dec-04.56637483)
0.00013536 TDB
period 1634.267125510824
4.47
1.6054e-05
4.395e-08
d
yr
n .2202822258249089 2.1639e-09 deg/d
Q 2.958485716656273 1.9375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      11203 days (30.67 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:41:07  

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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