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212990 (2009 DT24)
Classification: Main-belt Asteroid          SPK-ID: 2212990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07576573021974729 1.1676e-07  
a 2.904713466500086 3.9971e-08 au
q 2.684635729631573 3.3639e-07 au
i 3.075077167842891 6.129e-06 deg
node 80.56853732388809 0.00024236 deg
peri 236.8006430047432 0.00026066 deg
M 34.93191494958042 9.9227e-05 deg
tp 2459221.041962515807
(2021-Jan-06.54196252)
0.0004973 TDB
period 1808.228766887802
4.95
3.7324e-05
1.022e-07
d
yr
n .1990898533373115 4.1095e-09 deg/d
Q 3.124791203368599 4.3e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6467 days (17.71 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:55  

Additional Information
 Earth MOID = 1.67204 au 
 Jupiter MOID = 2.08254 au 
 T_jup = 3.279 
[ 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 15.89   n/a MPCxxxxx  

212990 (2009 DT24)          Discovered 2009-Feb-21 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2009 DT24 = 2006 SL40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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