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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872605633092343 3.2919e-08  
a 2.606700701047381 1.0063e-08 au
q 2.118568459390673 8.5933e-08 au
i 2.522495121243142 3.3054e-06 deg
node 262.4350291745725 8.4074e-05 deg
peri 200.3875584823093 8.4574e-05 deg
M 254.240951555863 1.0927e-05 deg
tp 2459652.096132411190
(2022-Mar-13.59613241)
4.8062e-05 TDB
period 1537.217004688745
4.21
8.9015e-06
2.437e-08
d
yr
n .2341894468392851 1.3561e-09 deg/d
Q 3.09483294270409 1.1947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1782  
   data-arc span      10706 days (29.31 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:01:14  

Additional Information
 Earth MOID = 1.13549 au 
 Jupiter MOID = 2.06017 au 
 T_jup = 3.385 
[ 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 14.01   n/a E2021B10  
diameter diameter 3.900 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.18 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:
[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. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.351   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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