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39610 (1993 TD38)
Classification: Main-belt Asteroid          SPK-ID: 2039610
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 .1192863362983504 3.5013e-08  
a 2.26600893404264 8.9411e-09 au
q 1.995705030281363 7.9187e-08 au
i 4.748498300601944 4.186e-06 deg
node 163.2818365692523 4.9789e-05 deg
peri 280.1239681008723 5.4131e-05 deg
M 244.9023923673998 1.9208e-05 deg
tp 2459398.840669965812
(2021-Jul-03.34066997)
6.6327e-05 TDB
period 1245.921997314172
3.41
7.3741e-06
2.019e-08
d
yr
n .2889426471127809 1.7101e-09 deg/d
Q 2.536312837803917 1.0008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:31:19  

Additional Information
 Earth MOID = 1.0182 au 
 Jupiter MOID = 2.65236 au 
 T_jup = 3.602 
[ 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 MPO436047  
diameter diameter 2.487 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39610 (1993 TD38)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TD38 = 2000 VS28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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