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102238 (1999 TH22)
Classification: Main-belt Asteroid          SPK-ID: 2102238
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 .164229288407385 4.1003e-08  
a 2.435218433025473 1.3255e-08 au
q 2.035284242653153 9.5185e-08 au
i 3.295772661358737 6.2725e-06 deg
node 43.99394708205118 0.00010571 deg
peri 46.67246442036208 0.00010878 deg
M 94.73911648534079 2.6796e-05 deg
tp 2458635.214746621173
(2019-May-31.71474662)
0.00010183 TDB
period 1388.050639428596
3.80
1.1333e-05
3.103e-08
d
yr
n .2593565319405042 2.1175e-09 deg/d
Q 2.835152623397794 1.5432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:55:58  

Additional Information
 Earth MOID = 1.05348 au 
 Jupiter MOID = 2.35879 au 
 T_jup = 3.484 
[ 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 16.58   n/a E2021B55  

102238 (1999 TH22)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TH22 = 2003 UH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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