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17030 Sierks (1999 FC9)
Classification: Main-belt Asteroid          SPK-ID: 2017030
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05023465616216344 5.7959e-08  
a 3.173773850915599 3.7572e-08 AU
q 3.014340412778389 1.8012e-07 AU
i 2.906751523924558 5.5619e-06 deg
node 104.2822975896879 0.00012455 deg
peri 104.8513479003677 0.00013751 deg
M 248.58904450561 6.0413e-05 deg
tp 2457639.627922216373
(2016-Sep-08.12792222)
0.00035042 JED
period 2065.201316844286
5.65
3.6673e-05
1.004e-07
d
yr
n .174317146257729 3.0954e-09 deg/d
Q 3.333207289052809 3.946e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      8949 days (24.50 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48245  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:57:09  

Additional Information
 Earth MOID = 2.01196 AU 
 T_jup = 3.197 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO270266  
rotation period rot_per 416.1976 h n/a LCDB (Rev. 2015-July); 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., in press.]

17030 Sierks           Discovered 1999 Mar. 19 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
German physicist Holger Sierks (b. 1960) has worked on instrumentation for missions such as SOHO, Ulysses, Rosetta, OSIRIS-REx and Dawn. His research areas include solar physics and the evolution, structure, and surface properties of small solar system bodies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1999 FC9 = 1990 RK13 = 2000 KD57 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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