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243558 (1993 TJ28)
Classification: Main-belt Asteroid          SPK-ID: 2243558
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897097928299544 5.4741e-08  
a 2.633158852987516 2.4176e-08 au
q 2.133622832498894 1.5074e-07 au
i 12.84079854838333 5.4094e-06 deg
node 35.435055821363 2.6729e-05 deg
peri 312.6099095997389 2.9976e-05 deg
M 107.7252971052133 1.8109e-05 deg
tp 2458533.486734773591
(2019-Feb-18.98673477)
7.4587e-05 TDB
period 1560.680545789563
4.27
2.1494e-05
5.885e-08
d
yr
n .230668602214089 3.1768e-09 deg/d
Q 3.132694873476137 2.8763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      9583 days (26.24 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:52:11  

Additional Information
 Earth MOID = 1.15147 au 
 Jupiter MOID = 2.3773 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 15.8   n/a MPO454787  
diameter diameter 1.810 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243558 (1993 TJ28)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1993 TJ28 = 2006 UV184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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