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90938 (1997 TE22)
Classification: Main-belt Asteroid          SPK-ID: 2090938
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237133721977475 3.74e-08  
a 2.323241597135781 7.4918e-09 au
q 1.803501385010455 8.5521e-08 au
i 1.036820956225623 4.2641e-06 deg
node 271.47550297 0.00024739 deg
peri 136.7268434103625 0.00024764 deg
M 114.1184007271086 1.1233e-05 deg
tp 2458590.491211937911
(2019-Apr-16.99121194)
3.9467e-05 TDB
period 1293.421242866132
3.54
6.2564e-06
1.713e-08
d
yr
n .2783315969067162 1.3463e-09 deg/d
Q 2.842981809261107 9.1678e-09 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1990-10-15  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:36:15  

Additional Information
 Earth MOID = .813743 au 
 Jupiter MOID = 2.54551 au 
 T_jup = 3.542 
[ 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 16.5   n/a MPO453348  

90938 (1997 TE22)          Discovered 1997-Oct-05 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 TE22 = 2001 XK195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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