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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272780076703599 3.6047e-08  
a 3.225141825594589 2.1138e-08 au
q 2.814652199578562 1.2103e-07 au
i .4942907192498805 4.7454e-06 deg
node 346.7549910759669 0.00042526 deg
peri 301.3478349250335 0.00042562 deg
M 267.3267254815597 1.9352e-05 deg
tp 2459545.095014154283
(2021-Nov-26.59501415)
0.00011602 TDB
period 2115.542006196516
5.79
2.0799e-05
5.694e-08
d
yr
n .17016915709806 1.673e-09 deg/d
Q 3.635631451610616 2.3829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      9735 days (26.65 yr)  
   first obs. used      1993-09-22  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:07  

Additional Information
 Earth MOID = 1.79833 au 
 Jupiter MOID = 1.52501 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257255275864558 3.6028e-08  
q 2.820140691759039 1.2081e-07 au
tp 2457426.495602229472
(2016-Feb-07.99560223)
0.00010967 TDB
node 346.8531105769668 0.00042501 deg
peri 301.0347048939575 0.00042538 deg
i .4945679313608592 4.7442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      9735 days (26.65 yr)  
   first obs. used      1993-09-22  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:07  

Additional Information
 Jupiter MOID = 1.52501 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.298007933901726E-15 -4.303699895389783E-15 5.740451429033098E-13 1.237523468574588E-14 1.04635328450362E-13 -2.421907846972481E-16
q -4.303699895389783E-15 1.459603452525779E-14 -1.266782523247699E-12 -4.541435584754464E-14 -2.518226753817797E-13 1.483160587619722E-15
tp 5.740451429033098E-13 -1.266782523247699E-12 1.202827995633092E-8 2.673434726569339E-11 1.954975819199291E-9 3.491075347844119E-14
node 1.237523468574588E-14 -4.541435584754464E-14 2.673434726569339E-11 1.806372145733433E-7 -1.806257749040103E-7 -9.115309889978029E-11
peri 1.04635328450362E-13 -2.518226753817797E-13 1.954975819199291E-9 -1.806257749040103E-7 1.809506826901946E-7 9.117967023127097E-11
i -2.421907846972481E-16 1.483160587619722E-15 3.491075347844119E-14 -9.115309889978029E-11 9.117967023127097E-11 2.250739591915133E-11

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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