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102236 (1999 TO21)
Classification: Main-belt Asteroid          SPK-ID: 2102236
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09364567596414995 3.7391e-08  
a 2.250676487953939 1.0422e-08 au
q 2.039910366862873 8.4971e-08 au
i 7.533249231383039 4.0246e-06 deg
node 151.4614437523843 3.0315e-05 deg
peri 94.77711035672293 3.9228e-05 deg
M 181.4636748523626 2.7902e-05 deg
tp 2459812.134717106820
(2022-Aug-20.63471711)		 9.8112e-05 TDB
period 1233.29803039451
3.38		 8.5666e-06
2.345e-08		 d
yr
n .2919002472458684 2.0276e-09 deg/d
Q 2.461442609045005 1.1398e-08 au
   Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      8336 days (22.82 yr)  
   first obs. used      1998-03-21  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:54  

Additional Information
 Earth MOID = 1.04165 au 
 Jupiter MOID = 2.56639 au 
 T_jup = 3.610 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO337998  

102236 (1999 TO21)          Discovered 1999-Oct-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TO21 = 2002 LC42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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