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11556 (1993 DV)
Classification: Main-belt Asteroid          SPK-ID: 2011556
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870782480713251 4.649e-08  
a 2.607102392916793 1.8635e-08 au
q 2.11937024470736 1.178e-07 au
i 2.524509048441061 4.6878e-06 deg
node 262.538549565985 0.00016945 deg
peri 199.2443157957451 0.00017091 deg
M 241.0550173512005 2.0826e-05 deg
tp 2458108.518099867085
(2017-Dec-21.01809987)
9.006e-05 JED
period 1537.572345461151
4.21
1.6486e-05
4.514e-08
d
yr
n .2341353244695802 2.5104e-09 deg/d
Q 3.094834541126226 2.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8698 days (23.81 yr)  
   first obs. used      1991-09-15  
   last obs. used      2015-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54888  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:33:22  

Additional Information
 Earth MOID = 1.13485 au 
 Jupiter MOID = 2.07069 au 
 T_jup = 3.385 
[ 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 13.9 mag n/a MPO279637  
rotation period rot_per 3.178 h n/a LCDB (Rev. 2016-February); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

11556 (1993 DV)          Discovered 1993-Feb-21 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 DV = 1997 AJ21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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