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21849 (1999 TA141)
Classification: Main-belt Asteroid          SPK-ID: 2021849
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058103052124424 3.1319e-08  
a 2.327065446772259 7.5661e-09 au
q 1.848131396922732 7.143e-08 au
i 3.186060531985443 4.4937e-06 deg
node 11.29305231453089 5.5828e-05 deg
peri 234.0970027732506 5.6907e-05 deg
M 122.9980469905197 1.2543e-05 deg
tp 2458757.496621675057
(2019-Sep-30.99662167)		 4.4026e-05 TDB
period 1296.615841463497
3.55		 6.3236e-06
1.731e-08		 d
yr
n .2776458442723223 1.3541e-09 deg/d
Q 2.805999496621787 9.1233e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1995-08-25  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:54:43  

Additional Information
 Earth MOID = .835662 au 
 Jupiter MOID = 2.22679 au 
 T_jup = 3.543 
[ 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 15.5   n/a MPO435903  

21849 (1999 TA141)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TA141 = 1998 KZ27 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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