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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413492392168386 1.7516e-07  
a 2.343084543123353 3.0926e-08 au
q 1.777582871219798 4.2745e-07 au
i 6.505664942732567 5.6262e-06 deg
node 109.862212630551 0.0001051 deg
peri 285.6415563917486 0.00010693 deg
M 244.3064849359059 2.1403e-05 deg
tp 2459021.504638684444
(2020-Jun-21.00463868)
8.3669e-05 TDB
period 1310.027358425707
3.59
2.5936e-05
7.101e-08
d
yr
n .2748034212297835 5.4406e-09 deg/d
Q 2.908586215026908 3.8389e-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 = .797419 au 
 Jupiter MOID = 2.54178 au 
 T_jup = 3.515 
[ 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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