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19893 (4524 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019893
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301280844172668 3.5125e-08  
a 3.075471220581551 1.7667e-08 au
q 2.67526604196684 1.0454e-07 au
i 2.205271049945891 4.079e-06 deg
node 100.7017001334517 9.96e-05 deg
peri 29.08088528595299 0.00010078 deg
M 145.9578537790389 1.5433e-05 deg
tp 2458201.786737531854
(2018-Mar-24.28673753)
8.3651e-05 TDB
period 1969.998647169927
5.39
1.6975e-05
4.648e-08
d
yr
n .1827412422425625 1.5746e-09 deg/d
Q 3.475676399196261 1.9966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      16764 days (45.90 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:58  

Additional Information
 Earth MOID = 1.6904 au 
 Jupiter MOID = 1.57226 au 
 T_jup = 3.215 
[ 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 14.4   n/a MPO474027  
diameter diameter 7.415 km 0.851 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19893 (4524 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4524 T-2 = 2000 SN114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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