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22214 (4326 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2022214
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186860186606863 3.1492e-08  
a 2.999903752798831 1.509e-08 au
q 2.643857120013886 9.0502e-08 au
i 10.77768756022168 3.4284e-06 deg
node 170.3175824294671 1.9616e-05 deg
peri 161.9738983011341 2.5513e-05 deg
M 69.19084627987455 1.6023e-05 deg
tp 2458835.741391251806
(2019-Dec-18.24139125)
8.4448e-05 TDB
period 1897.839182631083
5.20
1.432e-05
3.921e-08
d
yr
n .1896894127251137 1.4313e-09 deg/d
Q 3.355950385583776 1.6881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1799  
   data-arc span      18221 days (49.89 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:35  

Additional Information
 Earth MOID = 1.63455 au 
 Jupiter MOID = 2.05979 au 
 T_jup = 3.216 
[ 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 13.7   n/a MPO302200  

22214 (4326 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4326 T-1 = 1998 MN11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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