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18267 (2122 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018267
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07922506782990918 3.5609e-08  
a 2.23291190396498 7.1753e-09 au
q 2.056009306915143 7.8727e-08 au
i 2.799198404627635 3.0848e-06 deg
node 239.8400312851252 7.9021e-05 deg
peri 320.2320449582093 8.1698e-05 deg
M 154.8605376033047 2.1425e-05 deg
tp 2458676.243200111822
(2019-Jul-11.74320011)
7.1974e-05 TDB
period 1218.725253577557
3.34
5.8744e-06
1.608e-08
d
yr
n .2953906132192004 1.4238e-09 deg/d
Q 2.409814501014818 7.7437e-09 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      16291 days (44.60 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51139  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:54  

Additional Information
 Earth MOID = 1.05288 au 
 Jupiter MOID = 2.55196 au 
 T_jup = 3.635 
[ 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 16.14   n/a E2021B10  

18267 (2122 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2122 T-3 = 1976 JD5 = 1996 KU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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