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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0764202731842302 1.1835e-07  
a 2.906174248066885 3.8514e-08 au
q 2.684083618108639 3.4341e-07 au
i 3.077473707870316 6.3048e-06 deg
node 80.62152545675174 0.00024343 deg
peri 237.7464790326761 0.0002609 deg
M 315.2699789208428 9.7048e-05 deg
tp 2459225.342033327989
(2021-Jan-10.84203333)
0.00048884 TDB
period 1809.592976824979
4.95
3.5972e-05
9.849e-08
d
yr
n .1989397641405737 3.9547e-09 deg/d
Q 3.128264878025132 4.1457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6467 days (17.71 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:57:29  

Additional Information
 Earth MOID = 1.67233 au 
 Jupiter MOID = 2.08617 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 15.8   n/a MPO433392  

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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