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22279 (1984 DM)
Classification: Main-belt Asteroid          SPK-ID: 2022279
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412657827470667 7.7467e-08  
a 3.144205889679515 3.9502e-08 AU
q 2.38561659458805 2.5399e-07 AU
i 13.79510665578736 8.9938e-06 deg
node 322.3719950631612 2.7789e-05 deg
peri 239.0180294414227 3.2608e-05 deg
M 135.0144112035465 2.17e-05 deg
tp 2456236.765308493736
(2012-Nov-05.26530849)
0.00011507 JED
period 2036.408458114529
5.58
3.8377e-05
1.051e-07
d
yr
n .1767818231973545 3.3315e-09 deg/d
Q 3.902795184770981 4.9033e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      11150 days (30.53 yr)  
   first obs. used      1984-02-23  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49852  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:16:03  

Additional Information
 Earth MOID = 1.41971 AU 
 T_jup = 3.120 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a PDS3 (MPO 9948)  

22279 (1984 DM)          Discovered 1984-Feb-23 by Debehogne, H. at La Silla (809)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1984 DM = 2001 AG17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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