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311066 (2004 DC)
Classification: Apollo [NEO, PHA]          SPK-ID: 2311066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .399523722698277 2.3005e-08  
a 1.633702073972946 1.9027e-08 au
q .9809993395993788 4.0611e-08 au
i 19.44996132785264 2.1868e-06 deg
node 74.93463827605561 2.9693e-06 deg
peri 156.2624407063034 1.8178e-05 deg
M 87.97665943611875 4.9956e-05 deg
tp 2459210.109967516013
(2020-Dec-26.60996752)
0.00010259 TDB
period 762.706973921397
2.09
1.3324e-05
3.648e-08
d
yr
n .4720030264691153 8.2457e-09 deg/d
Q 2.286404808346514 2.6628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      5729 days (15.69 yr)  
   first obs. used      2004-02-16  
   last obs. used      2019-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:24:34  

Additional Information
 Earth MOID = .00878327 au 
 Jupiter MOID = 2.74552 au 
 T_jup = 4.154 
[ 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 18.2   n/a MPO494649  
rotation period rot_per 2.5709 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

311066 (2004 DC)          Discovered 2004-Feb-16 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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