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22717 Romeuf (1998 SF13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08568350788469392 4.4989e-08  
a 3.208781573920193 2.2989e-08 au
q 2.933841912630942 1.5009e-07 au
i 5.341828933010536 3.9032e-06 deg
node 112.1385837447711 5.2229e-05 deg
peri 233.1246650412366 5.7778e-05 deg
M 333.8293314783099 2.7183e-05 deg
tp 2459353.123347747007
(2021-May-18.62334775)
0.00015916 TDB
period 2099.465099387307
5.75
2.2562e-05
6.177e-08
d
yr
n .1714722479097461 1.8428e-09 deg/d
Q 3.483721235209444 2.4959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      23880 days (65.38 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:24  

Additional Information
 Earth MOID = 1.92826 au 
 Jupiter MOID = 1.87614 au 
 T_jup = 3.180 
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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 13.56   n/a E2021B10  
rotation period rot_per 10.94 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:
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

22717 Romeuf           Discovered 1998 Sept. 21 by ODAS at Caussols.
David Romeuf (b. 1969) is an amateur astronomer who worked as a student at the OCA Schmidt telescope in order to automate it, and is now research engineer at the Lyon 1 University (France). He has continued to work in pro-am astronomy and was project manager for the CLIMSO coronagraph at the Pic du Midi Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21

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Alternate Designations
 1998 SF13 = 1993 VJ8 
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