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410812 (2009 KW22)
Classification: Main-belt Asteroid          SPK-ID: 2410812
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2432901775497657 6.7191e-08  
a 2.658456776673559 4.1081e-08 au
q 2.011680355468271 1.8107e-07 au
i 7.741501405508113 8.0747e-06 deg
node 206.2074911624167 8.3814e-05 deg
peri 8.303313624520122 8.8966e-05 deg
M 212.8502169988971 3.4502e-05 deg
tp 2459647.642552406747
(2022-Mar-09.14255241)
0.00016313 TDB
period 1583.225704550873
4.33
3.6698e-05
1.005e-07
d
yr
n .2273838777157325 5.2707e-09 deg/d
Q 3.305233197878847 5.1076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4753 days (13.01 yr)  
   first obs. used      2005-07-05  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64367  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:32  

Additional Information
 Earth MOID = 1.00581 au 
 Jupiter MOID = 1.66319 au 
 T_jup = 3.331 
[ 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 16.8   n/a MPO455920  

410812 (2009 KW22)          Discovered 2009-May-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2009 KW22 = 2013 EH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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