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186260 (2001 YZ18)
Classification: Main-belt Asteroid          SPK-ID: 2186260
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3226635966610674 3.9306e-08  
a 2.691961918959449 1.0988e-08 au
q 1.823363804113365 1.0854e-07 au
i 9.665078987540054 4.4858e-06 deg
node 81.21170683418768 2.5504e-05 deg
peri 296.9351288253892 2.6393e-05 deg
M 159.3550747735054 7.8942e-06 deg
tp 2458486.389872117663
(2019-Jan-02.88987212)
3.2516e-05 TDB
period 1613.250449683098
4.42
9.8775e-06
2.704e-08
d
yr
n .2231519601130236 1.3663e-09 deg/d
Q 3.560560033805534 1.4534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7071 days (19.36 yr)  
   first obs. used      2001-12-09  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55808  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:00  

Additional Information
 Earth MOID = .848924 au 
 Jupiter MOID = 1.97785 au 
 T_jup = 3.275 
[ 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 15.82   n/a E2021B55  
rotation period rot_per 91.4836 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.]

186260 (2001 YZ18)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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