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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04975299593704432 5.6989e-08  
a 3.178518541709722 3.7502e-08 au
q 3.020377721618218 1.7899e-07 au
i 2.904317897847935 5.5298e-06 deg
node 104.2492019482257 0.00012265 deg
peri 102.8405505947502 0.00013576 deg
M 320.1856400670111 6.0573e-05 deg
tp 2457629.414228744482
(2016-Aug-28.91422874)
0.00034974 JED
period 2069.834162516121
5.67
3.6632e-05
1.003e-07
d
yr
n .1739269775905035 3.0782e-09 deg/d
Q 3.336659361801226 3.9368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      9226 days (25.26 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48202  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:35:36  

Additional Information
 Earth MOID = 2.01666 au 
 Jupiter MOID = 1.62582 au 
 T_jup = 3.196 
[ 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. 2015-December); 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.]

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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