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22956 (1999 TK253)
Classification: Main-belt Asteroid          SPK-ID: 2022956
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718303553051031 3.665e-08  
a 2.190321008684527 6.6277e-09 au
q 1.813957371530033 7.925e-08 au
i 5.267288469706031 3.9943e-06 deg
node 114.4024377960538 4.3631e-05 deg
peri 177.4104439665622 4.5157e-05 deg
M 275.0109999800326 1.2474e-05 deg
tp 2459480.024769877012
(2021-Sep-22.52476988)
4.149e-05 TDB
period 1184.02283980377
3.24
5.3741e-06
1.471e-08
d
yr
n .3040481888505321 1.38e-09 deg/d
Q 2.566684645839021 7.7666e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      10432 days (28.56 yr)  
   first obs. used      1992-07-19  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:07  

Additional Information
 Earth MOID = .795819 au 
 Jupiter MOID = 2.60705 au 
 T_jup = 3.649 
[ 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 15.43   n/a E2021B10  

22956 (1999 TK253)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TK253 = 1992 OG7 = 1998 HQ128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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