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16973 Gaspari (1998 WR19)
Classification: Main-belt Asteroid          SPK-ID: 2016973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09905823271509062 2.1825e-08  
a 2.232355743866429 6.9046e-09 au
q 2.011222529087639 4.7019e-08 au
i 4.364998116748187 3.1382e-07 deg
node 280.1316756242694 1.5158e-05 deg
peri 260.1339595226772 1.7011e-05 deg
M 160.5991364327759 6.1638e-06 deg
tp 2458657.019160046119
(2019-Jun-22.51916005)
1.9954e-05 TDB
period 1218.269952935235
3.34
5.6521e-06
1.547e-08
d
yr
n .2955010087317963 1.371e-09 deg/d
Q 2.453488958645219 7.5886e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2288  
   data-arc span      25262 days (69.16 yr)  
   first obs. used      1951-11-08  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:49:33  

Additional Information
 Earth MOID = 1.01931 au 
 Jupiter MOID = 2.52658 au 
 T_jup = 3.631 
[ 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 14.46   n/a E2021B10  
diameter diameter 3.869 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.661 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.205   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16973 Gaspari           Discovered 1998 Nov. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Luciano Gaspari (b. 1986) was awarded first place in the 2003 Intel International Science and Engineering Fair for his engineering team project. He attends the I.P.E.M. No 80, Dr. Luis Federico Leloir, Berrotaran, Cordoba, Argentina.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 1998 WR19 = 1993 LX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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