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19697 (1999 SY3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019697
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272780085602648 3.6079e-08  
a 3.225141826000526 2.1152e-08 au
q 2.814652197062764 1.211e-07 au
i .4942907384511919 4.7463e-06 deg
node 346.7549850233347 0.00042618 deg
peri 301.3478408900585 0.00042654 deg
M 267.3267254213904 1.9352e-05 deg
tp 2459545.095014610687
(2021-Nov-26.59501461)
0.00011602 TDB
period 2115.54200659593
5.79
2.0812e-05
5.698e-08
d
yr
n .1701691570659321 1.6741e-09 deg/d
Q 3.635631454938289 2.3845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      9713 days (26.59 yr)  
   first obs. used      1993-09-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:04:26  

Additional Information
 Earth MOID = 1.79833 au 
 Jupiter MOID = 1.52501 au 
 T_jup = 3.175 
[ 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 13.7   n/a MPO435882  
diameter diameter 8.984 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19697 (1999 SY3)          Discovered 1999-Sep-29 by Korlevic, K. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SY3 = 1997 EF56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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