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22218 (2064 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2022218
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05332129416612866 4.4629e-08  
a 2.672259571627012 1.4364e-08 au
q 2.529771232920035 1.2164e-07 au
i 5.684002346851893 4.698e-06 deg
node 194.7482573674646 4.4991e-05 deg
peri 188.9701677872667 6.196e-05 deg
M 279.4541111860337 4.4692e-05 deg
tp 2459557.490999157325
(2021-Dec-08.99099916)
0.0001993 TDB
period 1595.571935315871
4.37
1.2864e-05
3.522e-08
d
yr
n .2256244247168536 1.8191e-09 deg/d
Q 2.814747910333989 1.5129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      17157 days (46.97 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:36  

Additional Information
 Earth MOID = 1.53129 au 
 Jupiter MOID = 2.42291 au 
 T_jup = 3.371 
[ 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 15.25   n/a E2021B10  

22218 (2064 T-2)          Discovered 1973-Sep-29 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
 2064 T-2 = 1998 MO49 = 1999 RC155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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