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312521 (2009 DV44)
Classification: Main-belt Asteroid          SPK-ID: 2312521
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122964855311351 4.8563e-08  
a 2.233479190008455 1.2867e-08 au
q 1.759319407462733 1.0578e-07 au
i 8.170939396787864 8.7006e-06 deg
node 177.8132311625849 4.0899e-05 deg
peri 300.4265557590998 4.6215e-05 deg
M 168.5714657582223 2.1854e-05 deg
tp 2458429.609449197597
(2018-Nov-07.10944920)
7.1851e-05 TDB
period 1219.189720896406
3.34
1.0535e-05
2.884e-08
d
yr
n .2952780800475507 2.5516e-09 deg/d
Q 2.707638972554176 1.5598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1994-10-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:09  

Additional Information
 Earth MOID = .791059 au 
 Jupiter MOID = 2.41586 au 
 T_jup = 3.597 
[ 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 18.0   n/a MPO471272  

312521 (2009 DV44)          Discovered 2009-Feb-27 by Kugel, F. at Chante-Perdrix
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 DV44 = 2004 TY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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