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39312 (2001 TD93)
Classification: Main-belt Asteroid          SPK-ID: 2039312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138101274385436 5.7706e-08  
a 3.177988180374324 2.721e-08 au
q 2.739103962682777 1.9146e-07 au
i 11.21666046508384 6.0908e-06 deg
node 356.9534131007691 2.1547e-05 deg
peri 187.6622083419854 2.6936e-05 deg
M 310.9525625068461 1.8965e-05 deg
tp 2459282.429593364545
(2021-Mar-08.92959336)
0.00011113 TDB
period 2069.31613145749
5.67
2.6577e-05
7.276e-08
d
yr
n .1739705183404915 2.2343e-09 deg/d
Q 3.616872398065871 3.0968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      8873 days (24.29 yr)  
   first obs. used      1995-10-16  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:09:38  

Additional Information
 Earth MOID = 1.74196 au 
 Jupiter MOID = 1.35249 au 
 T_jup = 3.156 
[ 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 13.9   n/a MPO244524  
diameter diameter 9.379 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39312 (2001 TD93)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 TD93 = 1995 UB57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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