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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427140985134714 2.2895e-08  
a 3.139464756469373 1.7628e-08 au
q 2.377472398288094 7.2617e-08 au
i 13.80633508171127 1.2502e-06 deg
node 322.2815501350804 9.2351e-06 deg
peri 238.8174328038633 9.9004e-06 deg
M 164.5880017326958 8.0751e-06 deg
tp 2458271.581704390487
(2018-Jun-02.08170439)		 4.1716e-05 TDB
period 2031.804158862896
5.56		 1.7113e-05
4.685e-08		 d
yr
n .1771824309098151 1.4923e-09 deg/d
Q 3.901457114650652 2.1906e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2018  
   data-arc span      13501 days (36.96 yr)  
   first obs. used      1984-02-23  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45146  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:03:09  

Additional Information
 Earth MOID = 1.40977 au 
 Jupiter MOID = 1.35477 au 
 T_jup = 3.121 
[ 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 12.76   n/a E2021B10  
diameter diameter 23.771 km 3.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.029   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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

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Alternate Designations
 1984 DM = 2001 AG17 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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