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16878 Tombickler (1998 BL9)
Classification: Main-belt Asteroid          SPK-ID: 2016878
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912980657752203 2.3542e-08  
a 2.678409426453372 9.9364e-09 au
q 2.166034883818724 6.3227e-08 au
i 11.96399640741951 8.1672e-07 deg
node 140.8277055810425 4.2523e-06 deg
peri 272.93858613 5.7916e-06 deg
M 154.9256501903296 4.1509e-06 deg
tp 2458511.475442682420
(2019-Jan-27.97544268)
1.5503e-05 TDB
period 1601.083102311304
4.38
8.9095e-06
2.439e-08
d
yr
n .2248477917731493 1.2512e-09 deg/d
Q 3.190783969088019 1.1837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2374  
   data-arc span      11729 days (32.11 yr)  
   first obs. used      1989-02-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:45:11  

Additional Information
 Earth MOID = 1.21549 au 
 Jupiter MOID = 2.2845 au 
 T_jup = 3.321 
[ 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 13.08   n/a E2021B10  
diameter diameter 14.51 km 0.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 3.83926 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.0483   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9

16878 Tombickler           Discovered 1998 Jan. 24 by JPL/GEODSS NEAT at Haleakala.
Thomas C. Bickler (b. 1950) is responsible for the NEAT camera electronics. He has experience with imaging instruments and has worked with CCD camera electronics systems extensively. During his 21 years at the Jet Propulsion Laboratory he helped develop and deliver flight hardware for Galileo, Cassini and Space Telescope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 BL9 = 1989 CA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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