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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127318917881187 3.5735e-08  
a 3.22443674134233 2.0218e-08 au
q 2.813904944658284 1.2045e-07 au
i .4942815416712356 4.5313e-06 deg
node 346.7552647941203 0.00042212 deg
peri 301.4505994190947 0.00042244 deg
M 301.2698350402561 1.8228e-05 deg
tp 2459545.514969388698
(2021-Nov-27.01496939)
0.00010835 TDB
period 2114.848290738956
5.79
1.9891e-05
5.446e-08
d
yr
n .1702249762200253 1.601e-09 deg/d
Q 3.634968538026377 2.2792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      10043 days (27.50 yr)  
   first obs. used      1993-09-22  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:57:42  

Additional Information
 Earth MOID = 1.79565 au 
 Jupiter MOID = 1.52529 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457103.5 (2015-Mar-22.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125781406896742 3.5716e-08  
q 2.820058002552522 1.203e-07 au
tp 2457426.457188411156
(2016-Feb-07.95718841)
0.00010323 TDB
node 346.8476834005609 0.00042189 deg
peri 301.0358761564593 0.00042223 deg
i .4945157757907451 4.5298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      10043 days (27.50 yr)  
   first obs. used      1993-09-22  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:57:42  

Additional Information
 Jupiter MOID = 1.52529 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.27565715006555E-15 -4.252661487034799E-15 4.013535596523111E-13 1.210511610599826E-14 7.785799539040379E-14 -2.348002313931985E-16
q -4.252661487034799E-15 1.447258134842479E-14 -8.681000536590404E-13 -4.439352726356596E-14 -1.882047177129271E-13 1.372972802869324E-15
tp 4.013535596523111E-13 -8.681000536590404E-13 1.065660974751755E-8 2.448548914157187E-11 1.742813252626264E-9 -1.040897161845685E-13
node 1.210511610599826E-14 -4.439352726356596E-14 2.448548914157187E-11 1.779941184379772E-7 -1.779831434086013E-7 -7.576419624033303E-11
peri 7.785799539040379E-14 -1.882047177129271E-13 1.742813252626264E-9 -1.779831434086013E-7 1.782745224263662E-7 7.576970134789732E-11
i -2.348002313931985E-16 1.372972802869324E-15 -1.040897161845685E-13 -7.576419624033303E-11 7.576970134789732E-11 2.051906045460964E-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 13.76   n/a E2021B10  
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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