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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04893454424729669 5.4513e-08  
a 3.176485080305283 2.8962e-08 au
q 3.021045230592207 1.7637e-07 au
i 2.90378140965338 4.8002e-06 deg
node 104.2046024701938 0.00011926 deg
peri 102.4966019994878 0.00013008 deg
M 355.3058490836194 5.1475e-05 deg
tp 2457627.463309936629
(2016-Aug-26.96330994)
0.00029568 JED
period 2067.848211550632
5.66
2.8281e-05
7.743e-08
d
yr
n .1740940161802516 2.381e-09 deg/d
Q 3.33192493001836 3.0379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      9343 days (25.58 yr)  
   first obs. used      1990-09-14  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47532  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:26:36  

Additional Information
 Earth MOID = 2.01749 au 
 Jupiter MOID = 1.63078 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 13.2 mag n/a MPO358795  
rotation period rot_per 416.1976 h n/a LCDB (Rev. 2016-February); 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. (2016) Astron. J. 150, A75.]

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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