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266815 (2009 TR5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169429316293977 4.4604e-08  
a 3.219889858432444 4.2164e-08 au
q 2.843346498863587 1.4746e-07 au
i .5329348288745218 6.0417e-06 deg
node 12.20195483962412 0.00057302 deg
peri 57.92141646042863 0.00057363 deg
M 207.8526782345205 2.7491e-05 deg
tp 2459492.411497366756
(2021-Oct-04.91149737)
0.00016452 TDB
period 2110.376543774847
5.78
4.1453e-05
1.135e-07
d
yr
n .1705856715769145 3.3507e-09 deg/d
Q 3.5964332180013 4.7095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-02-12  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57164  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:15:14  

Additional Information
 Earth MOID = 1.85754 au 
 Jupiter MOID = 1.67172 au 
 T_jup = 3.178 
[ 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 15.8   n/a MPO450146  
diameter diameter 4.552 km 0.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266815 (2009 TR5)          Discovered 2009-Oct-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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