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JPL Small-Body Database Browser
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20048 (1993 FF19)
Classification: Main-belt Asteroid          SPK-ID: 2020048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09459699127318941 3.4158e-08  
a 2.707332743512251 1.3988e-08 au
q 2.451227211600603 9.5715e-08 au
i 9.427303088574162 5.3897e-06 deg
node 147.5591554155459 2.1673e-05 deg
peri 304.8905048128827 3.6163e-05 deg
M 34.57354469943013 2.8682e-05 deg
tp 2458444.238392284589
(2018-Nov-21.73839228)
0.0001295 TDB
period 1627.087394902707
4.45
1.261e-05
3.452e-08
d
yr
n .2212542492356574 1.7148e-09 deg/d
Q 2.963438275423899 1.5312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      9552 days (26.15 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54055  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:48:24  

Additional Information
 Earth MOID = 1.48193 au 
 Jupiter MOID = 2.18427 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 13.7   n/a MPO337427  
diameter diameter 6.420 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.032 h n/a LCDB (Rev. 2019-January); 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 0.232   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20048 (1993 FF19)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FF19 = 1997 ES38 = 1998 KC51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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