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226612 (2004 DN28)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226612
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077763097593567 7.6767e-08  
a 3.974317270439258 7.0159e-08 au
q 3.545980021218435 3.2283e-07 au
i 4.00499702218512 7.4356e-06 deg
node 121.6191866660432 0.0001047 deg
peri 58.87930799799818 0.00010868 deg
M 358.5512460214174 3.0041e-05 deg
tp 2459012.146203344388
(2020-Jun-11.64620334)
0.0002416 TDB
period 2893.958025973061
7.92
7.6631e-05
2.098e-07
d
yr
n .1243971048539842 3.294e-09 deg/d
Q 4.40265451966008 7.7721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:55:32  

Additional Information
 Earth MOID = 2.55176 au 
 Jupiter MOID = .584162 au 
 T_jup = 3.043 
[ 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 14.5   n/a MPO503111  
diameter diameter 9.086 km 0.667 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

226612 (2004 DN28)          Discovered 2004-Feb-17 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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