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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875277519212379 4.6576e-08  
a 2.606062832704084 1.8786e-08 AU
q 2.117353728321594 1.1813e-07 AU
i 2.525409679859772 4.6892e-06 deg
node 262.5483493304155 0.00017498 deg
peri 199.2028463535043 0.00017653 deg
M 100.5701977772154 2.1374e-05 deg
tp 2456571.218123301828
(2013-Oct-05.71812330)
9.1059e-05 JED
period 1536.652796026957
4.21
1.6615e-05
4.549e-08
d
yr
n .2342754335467233 2.5332e-09 deg/d
Q 3.094771937086573 2.2309e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      8681 days (23.77 yr)  
   first obs. used      1991-09-15  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54852  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:07:16  

Additional Information
 Earth MOID = 1.13426 AU 
 T_jup = 3.386 
[ 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. 2015-July); 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) arXiv:1506.08493.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

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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