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469498 (2002 YS11)
Classification: Main-belt Asteroid          SPK-ID: 2469498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413928454275568 6.6777e-08  
a 2.342028224091845 1.69e-08 au
q 1.776679367006667 1.5332e-07 au
i 6.507726600987232 5.4677e-06 deg
node 109.8561025389519 5.3167e-05 deg
peri 285.8200191383602 5.7093e-05 deg
M 102.9894284877463 1.6625e-05 deg
tp 2459021.978494047836
(2020-Jun-21.47849405)
5.903e-05 TDB
period 1309.141570377981
3.58
1.417e-05
3.88e-08
d
yr
n .27498935802341 2.9766e-09 deg/d
Q 2.907377081177023 2.098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2002-12-31  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:19  

Additional Information
 Earth MOID = .796535 au 
 Jupiter MOID = 2.54656 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458145.5 (2018-Jan-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .242557678204096 6.7524e-08  
q 1.77333877748063 1.5551e-07 au
tp 2457711.380509226306
(2016-Nov-18.88050923)
5.4496e-05 TDB
node 109.9395384263057 5.3297e-05 deg
peri 285.4190451853362 5.7093e-05 deg
i 6.501787165691776 5.4616e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2002-12-31  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:19  

Additional Information
 Jupiter MOID = 2.54656 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.559487765069925E-15 -1.046724454931311E-14 -1.981661689786421E-12 -2.564493376267484E-14 -8.295606110405556E-13 -2.690674016818712E-14
q -1.046724454931311E-14 2.418324139361914E-14 4.732036373946578E-12 5.954164784393162E-14 1.983418026876527E-12 6.26339056634219E-14
tp -1.981661689786421E-12 4.732036373946578E-12 2.969794664328762E-9 2.212347390273642E-11 1.135876634799688E-9 1.57143885026864E-11
node -2.564493376267484E-14 5.954164784393162E-14 2.212347390273642E-11 2.840583761881235E-9 -2.813995329565925E-9 4.339837328641114E-11
peri -8.295606110405556E-13 1.983418026876527E-12 1.135876634799688E-9 -2.813995329565925E-9 3.259560485948132E-9 -3.660438731505268E-11
i -2.690674016818712E-14 6.26339056634219E-14 1.57143885026864E-11 4.339837328641114E-11 -3.660438731505268E-11 2.98291393429704E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.49   n/a MPCxxxxx  
diameter diameter 1.918 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469498 (2002 YS11)          Discovered 2002-Dec-31 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 2002 YS11 = 2009 WP217 = 2009 XP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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