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173850 (2001 TK140)
Classification: Main-belt Asteroid          SPK-ID: 2173850
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06040510860636446 5.7564e-08  
a 2.752557232676999 2.2564e-08 au
q 2.586288714091911 1.6787e-07 au
i 6.462410696809962 4.664e-06 deg
node 93.55080747081269 5.1545e-05 deg
peri 262.9008532230818 6.4582e-05 deg
M 33.62732279766849 3.8155e-05 deg
tp 2458844.690922711965
(2019-Dec-27.19092271)
0.00017688 TDB
period 1668.026567597632
4.57
2.0511e-05
5.616e-08
d
yr
n .2158239005260501 2.6538e-09 deg/d
Q 2.918825751262087 2.3927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      9433 days (25.83 yr)  
   first obs. used      1994-01-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:34:45  

Additional Information
 Earth MOID = 1.59128 au 
 Jupiter MOID = 2.36288 au 
 T_jup = 3.333 
[ 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 15.7   n/a MPO417938  
diameter diameter 4.844 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173850 (2001 TK140)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 TK140 = 1994 AH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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