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120943 (1998 TN22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2120943
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09128176444756132 4.0626e-08  
a 3.21169597629469 2.9938e-08 au
q 2.918526700709378 1.4308e-07 au
i 3.617000853499671 4.4295e-06 deg
node 209.3512704283083 7.3944e-05 deg
peri 247.2631801574404 8.049e-05 deg
M 249.8387551264423 3.5677e-05 deg
tp 2459843.819036069301
(2022-Sep-21.31903607)		 0.00021238 TDB
period 2102.326033540845
5.76		 2.9395e-05
8.048e-08		 d
yr
n .1712389012248826 2.3943e-09 deg/d
Q 3.504865251880002 3.2671e-08 au
   Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:18  

Additional Information
 Earth MOID = 1.93761 au 
 Jupiter MOID = 1.6608 au 
 T_jup = 3.182 
[ 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 15.12   n/a E2021B55  

120943 (1998 TN22)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1998 TN22 = 2000 CD35 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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