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136269 (2003 YQ87)
Classification: Main-belt Asteroid          SPK-ID: 2136269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631470211169097 4.5599e-08  
a 2.466566854263951 1.0506e-08 au
q 2.064153819605081 1.1098e-07 au
i 5.816507103119183 4.9353e-06 deg
node 310.4959933143824 4.4347e-05 deg
peri 91.53573371357145 4.7977e-05 deg
M 139.5132513163287 1.6629e-05 deg
tp 2458452.158996154800
(2018-Nov-29.65899616)
6.5461e-05 TDB
period 1414.939151096738
3.87
9.0398e-06
2.475e-08
d
yr
n .2544279022323747 1.6255e-09 deg/d
Q 2.868979888922822 1.222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7439 days (20.37 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:37:12  

Additional Information
 Earth MOID = 1.08243 au 
 Jupiter MOID = 2.55527 au 
 T_jup = 3.461 
[ show covariance matrix ]

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 15.3   n/a MPO333845  
diameter diameter 2.991 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136269 (2003 YQ87)          Discovered 2003-Dec-19 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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