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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411525176732434 1.748e-07  
a 2.341521392410242 3.0811e-08 au
q 1.776857613444754 4.2633e-07 au
i 6.507993703177834 5.6293e-06 deg
node 109.8569878125383 0.00010505 deg
peri 285.807759744264 0.00010691 deg
M 354.1082997638389 2.3019e-05 deg
tp 2459021.918239137608
(2020-Jun-21.41823914)
8.3986e-05 TDB
period 1308.716631951877
3.58
2.5831e-05
7.072e-08
d
yr
n .275078646676233 5.4294e-09 deg/d
Q 2.90618517137573 3.8241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      2002-12-31  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52012  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:31:13  

Additional Information
 Earth MOID = .797329 au 
 Jupiter MOID = 2.54559 au 
 T_jup = 3.516 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO440883  
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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