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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632393603092807 4.5607e-08  
a 2.4663161539562 1.0361e-08 au
q 2.063716282663944 1.1108e-07 au
i 5.816515557902988 4.8942e-06 deg
node 310.4959906573496 4.4348e-05 deg
peri 91.49613593718222 4.7875e-05 deg
M 190.4535618966397 1.6498e-05 deg
tp 2459866.781443121541
(2022-Oct-14.28144312)
6.5138e-05 TDB
period 1414.723436286693
3.87
8.9148e-06
2.441e-08
d
yr
n .2544666969997423 1.6035e-09 deg/d
Q 2.868916025248455 1.2052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:16:40  

Additional Information
 Earth MOID = 1.08101 au 
 Jupiter MOID = 2.5563 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 15.34   n/a E2021B55  
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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