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190209 (2006 AA21)
Classification: Main-belt Asteroid          SPK-ID: 2190209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320406208042347 7.9335e-08  
a 3.103806375839245 3.6374e-08 au
q 2.383597217533365 2.5619e-07 au
i 19.06128551646924 5.8381e-06 deg
node 336.2171400303206 1.8645e-05 deg
peri 222.925225018085 2.2604e-05 deg
M 213.2198745974182 2.0968e-05 deg
tp 2460014.838770379211
(2023-Mar-11.33877038)
0.00012861 TDB
period 1997.286461858816
5.47
3.511e-05
9.613e-08
d
yr
n .180244550230896 3.1685e-09 deg/d
Q 3.824015534145125 4.4815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7228 days (19.79 yr)  
   first obs. used      2001-02-24  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:41  

Additional Information
 Earth MOID = 1.41829 au 
 Jupiter MOID = 1.35399 au 
 T_jup = 3.097 
[ 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 15.2   n/a MPO494050  

190209 (2006 AA21)          Discovered 2006-Jan-05 by CSS at Catalina
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

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