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379981 (2012 TK108)
Classification: Main-belt Asteroid          SPK-ID: 2379981
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330018897117799 7.0213e-08  
a 3.09589927851475 6.5826e-08 au
q 2.684138824114952 2.5439e-07 au
i 12.67957635341238 1.5614e-05 deg
node 205.9625572808303 3.4714e-05 deg
peri 60.28449383727212 9.3888e-05 deg
M 212.4600795250596 9.1855e-05 deg
tp 2459815.928160555827
(2022-Aug-24.42816056)
0.00052746 TDB
period 1989.659048582433
5.45
6.3457e-05
1.737e-07
d
yr
n .1809355227251062 5.7706e-09 deg/d
Q 3.507659732914548 7.4581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:15:37  

Additional Information
 Earth MOID = 1.69653 au 
 Jupiter MOID = 1.62051 au 
 T_jup = 3.172 
[ 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 16.0   n/a MPO471897  
diameter diameter 4.622 km 1.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379981 (2012 TK108)          Discovered 2007-Oct-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2012 TK108 = 2007 VA336 = 2010 JO22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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