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308798 Teo (2006 QL57)
Classification: Main-belt Asteroid          SPK-ID: 2308798
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856380144015934 5.5598e-08  
a 2.648514074298587 1.8318e-08 au
q 2.156849180431123 1.4564e-07 au
i 11.65533709422333 6.5469e-06 deg
node 295.7214670798006 3.8154e-05 deg
peri 352.2969020365392 4.4163e-05 deg
M 101.6843726568374 2.2051e-05 deg
tp 2458555.813886782094
(2019-Mar-13.31388678)
9.5958e-05 TDB
period 1574.352052096588
4.31
1.6333e-05
4.472e-08
d
yr
n .2286655005280316 2.3723e-09 deg/d
Q 3.140178968166051 2.1719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1993-07-25  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:54:27  

Additional Information
 Earth MOID = 1.14112 au 
 Jupiter MOID = 2.05916 au 
 T_jup = 3.338 
[ 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 16.4   n/a MPO440449  
diameter diameter 3.029 km 0.827 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308798 Teo           Discovered 2006 Aug. 26 by J. Lacruz at La Canada.
Teodoro "Teo" Encinar (b. 1952) built, according to the discoverer's design, the La Cañada Observatory over the summer of 2002.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-04-30Last Updated: 2018-05-06

[ show close-approach data ]
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