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452256 (2015 TK120)
Classification: Outer Main-belt Asteroid          SPK-ID: 2452256
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200003197728599 6.167e-08  
a 3.222349075941894 6.9267e-08 au
q 2.835666156409086 2.1312e-07 au
i 23.01595029203299 6.6013e-06 deg
node 199.2634838085615 2.1875e-05 deg
peri 306.3160145209245 4.1722e-05 deg
M 229.3530758663895 3.8693e-05 deg
tp 2459767.250369493494
(2022-Jul-06.75036949)
0.00024026 TDB
period 2112.794731664455
5.78
6.8125e-05
1.865e-07
d
yr
n .1703904286605224 5.4941e-09 deg/d
Q 3.6090319954747 7.758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      9304 days (25.47 yr)  
   first obs. used      1994-04-06  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:48:17  

Additional Information
 Earth MOID = 1.89668 au 
 Jupiter MOID = 1.522 au 
 T_jup = 3.053 
[ 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 15.9   n/a MPO456152  
diameter diameter 3.848 km 0.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452256 (2015 TK120)          Discovered 2010-Feb-14 by WISE at WISE
Reference: Last Updated: 2015-11-30

[ show close-approach data ]
Alternate Designations
 2015 TK120 = 2010 CS54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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