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212621 (2006 TC18)
Classification: Main-belt Asteroid          SPK-ID: 2212621
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173931254316794 4.3199e-08  
a 2.745781179499966 2.2936e-08 au
q 2.148867227136985 1.1502e-07 au
i 3.150023415580733 5.5233e-06 deg
node 66.8643923454176 9.8555e-05 deg
peri 256.7814357566994 9.9708e-05 deg
M 317.89283423427 1.6437e-05 deg
tp 2458794.879661718603
(2019-Nov-07.37966172)
7.7398e-05 TDB
period 1661.871012834813
4.55
2.0823e-05
5.701e-08
d
yr
n .2166233102447064 2.7142e-09 deg/d
Q 3.342695131862946 2.7922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7433 days (20.35 yr)  
   first obs. used      1997-12-06  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59381  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:30:58  

Additional Information
 Earth MOID = 1.13847 au 
 Jupiter MOID = 1.99812 au 
 T_jup = 3.311 
[ 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 16.6   n/a MPO437021  
diameter diameter 2.126 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212621 (2006 TC18)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 TC18 = 2001 QH169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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