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181450 (2006 TF21)
Classification: Main-belt Asteroid          SPK-ID: 2181450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04736911824325937 3.6578e-08  
a 2.47939220179305 1.5097e-08 au
q 2.3619455794149 9.6682e-08 au
i 6.460723055874951 4.6158e-06 deg
node 211.6339929743954 3.305e-05 deg
peri 77.15754572188486 6.2849e-05 deg
M 329.3517154430111 5.5982e-05 deg
tp 2459321.900351372258
(2021-Apr-17.40035137)
0.00022189 TDB
period 1425.989321286399
3.90
1.3025e-05
3.566e-08
d
yr
n .2524563084913149 2.3059e-09 deg/d
Q 2.5968388241712 1.5813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      8388 days (22.97 yr)  
   first obs. used      1997-06-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:40  

Additional Information
 Earth MOID = 1.3542 au 
 Jupiter MOID = 2.4608 au 
 T_jup = 3.469 
[ 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 16.48   n/a E2021B55  

181450 (2006 TF21)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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