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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082933561973504 7.7165e-08  
a 3.976749910923493 9.6561e-08 au
q 3.546094316312073 3.3548e-07 au
i 4.004523774307515 7.5828e-06 deg
node 121.6162300160299 0.00011115 deg
peri 58.77288744397863 0.00011633 deg
M 308.9332348819304 3.8847e-05 deg
tp 2459011.391061720766
(2020-Jun-10.89106172)
0.00032202 TDB
period 2896.615477355451
7.93
0.0001055
2.888e-07
d
yr
n .1242829788124561 4.5266e-09 deg/d
Q 4.407405505534912 1.0702e-07 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:27:49  

Additional Information
 Earth MOID = 2.55234 au 
 Jupiter MOID = .581013 au 
 T_jup = 3.042 
[ 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 14.6   n/a MPO433484  
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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