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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09048095762608652 4.0852e-08  
a 3.216184372018286 3.6722e-08 au
q 2.925180930136018 1.4491e-07 au
i 3.614453061553156 5.4982e-06 deg
node 209.4601392696673 7.4798e-05 deg
peri 246.370938549655 8.2119e-05 deg
M 216.4393131441164 3.6284e-05 deg
tp 2459840.622971051562
(2022-Sep-18.12297105)
0.00021624 TDB
period 2106.734623540618
5.77
3.6082e-05
9.879e-08
d
yr
n .1708805636824714 2.9266e-09 deg/d
Q 3.507187813900555 4.0045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1998-10-13  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54136  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:52:26  

Additional Information
 Earth MOID = 1.94442 au 
 Jupiter MOID = 1.66101 au 
 T_jup = 3.181 
[ 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 15.0   n/a MPO436584  

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

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