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22954 (1999 TU248)
Classification: Main-belt Asteroid          SPK-ID: 2022954
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024708307437243 4.2583e-08  
a 2.787930642843186 1.5107e-08 au
q 2.502249073815159 1.2097e-07 au
i 6.198876784564108 4.6237e-06 deg
node 145.388935013646 3.3719e-05 deg
peri 186.1308348847074 3.7819e-05 deg
M 262.7141311754798 1.7826e-05 deg
tp 2459659.982140837452
(2022-Mar-21.48214084)
8.493e-05 TDB
period 1700.283635230189
4.66
1.382e-05
3.784e-08
d
yr
n .2117293800520888 1.7209e-09 deg/d
Q 3.073612211871212 1.6655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      10302 days (28.21 yr)  
   first obs. used      1992-03-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:03  

Additional Information
 Earth MOID = 1.48962 au 
 Jupiter MOID = 2.25103 au 
 T_jup = 3.314 
[ 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 14.58   n/a E2021B10  

22954 (1999 TU248)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU248 = 1998 MS38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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