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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383784312341869 5.9644e-08  
a 3.177973420724999 2.7745e-08 au
q 2.738210444261131 1.9617e-07 au
i 11.21681633400731 6.4925e-06 deg
node 356.9717046596152 2.1557e-05 deg
peri 187.6579760706472 2.6932e-05 deg
M 241.3823745292696 1.846e-05 deg
tp 2459282.321266343107
(2021-Mar-08.82126634)
0.00011118 TDB
period 2069.301715570812
5.67
2.7099e-05
7.419e-08
d
yr
n .1739717303142016 2.2783e-09 deg/d
Q 3.617736397188867 3.1584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      8502 days (23.28 yr)  
   first obs. used      1995-10-16  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:04  

Additional Information
 Earth MOID = 1.74149 au 
 Jupiter MOID = 1.35303 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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