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20069 (1993 TD37)
Classification: Main-belt Asteroid          SPK-ID: 2020069
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03082685268941585 4.0688e-08  
a 3.187643717873355 2.3496e-08 au
q 3.089378694556132 1.3005e-07 au
i 8.280597935777177 4.4997e-06 deg
node 162.8919198034253 2.9582e-05 deg
peri 218.1692366131397 7.7937e-05 deg
M 181.69412275808 7.3411e-05 deg
tp 2459630.094576529316
(2022-Feb-19.59457653)
0.00042552 TDB
period 2078.753955191626
5.69
2.2983e-05
6.292e-08
d
yr
n .1731806686890052 1.9147e-09 deg/d
Q 3.285908741190579 2.422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      9345 days (25.59 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53185  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:48:42  

Additional Information
 Earth MOID = 2.09276 au 
 Jupiter MOID = 1.86791 au 
 T_jup = 3.181 
[ 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 13.8   n/a MPO347679  
diameter diameter 7.569 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20069 (1993 TD37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TD37 = 1998 QV20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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