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11937 (1993 FF16)
Classification: Main-belt Asteroid          SPK-ID: 2011937
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09115936492777439 3.5088e-08  
a 2.735513030181767 1.4867e-08 au
q 2.486145399598745 9.7304e-08 au
i 5.694354135811366 4.1434e-06 deg
node 55.75123717111772 4.8444e-05 deg
peri 235.574632901721 5.5729e-05 deg
M 269.9614613217224 2.8354e-05 deg
tp 2459413.816312072725
(2021-Jul-18.31631207)
0.00013057 TDB
period 1652.557610667646
4.52
1.3472e-05
3.688e-08
d
yr
n .2178441451457522 1.7759e-09 deg/d
Q 2.984880660764788 1.6222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      10806 days (29.59 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:38:28  

Additional Information
 Earth MOID = 1.47542 au 
 Jupiter MOID = 2.1508 au 
 T_jup = 3.339 
[ 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 14.5   n/a MPO452339  
diameter diameter 6.864 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.963 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.078   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11937 (1993 FF16)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 FF16 = 1995 WV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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