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201369 (2002 TA278)
Classification: Main-belt Asteroid          SPK-ID: 2201369
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08521413167807616 3.8629e-08  
a 3.02791319390546 2.6444e-08 au
q 2.769892200290216 1.1147e-07 au
i 9.015438851569787 4.6351e-06 deg
node 274.1211695961198 3.2504e-05 deg
peri 130.9442043275152 4.6513e-05 deg
M 106.1553327268353 3.2387e-05 deg
tp 2458433.016978311271
(2018-Nov-10.51697831)
0.00017347 TDB
period 1924.48068844212
5.27
2.5211e-05
6.902e-08
d
yr
n .1870634515389304 2.4506e-09 deg/d
Q 3.285934187520704 2.8697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8148 days (22.31 yr)  
   first obs. used      1998-01-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:03:54  

Additional Information
 Earth MOID = 1.79029 au 
 Jupiter MOID = 2.04561 au 
 T_jup = 3.220 
[ 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 15.0   n/a MPO503055  
diameter diameter 4.330 km 1.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.275 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.113   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201369 (2002 TA278)          Discovered 2002-Oct-10 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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