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186243 (2001 XZ157)
Classification: Main-belt Asteroid          SPK-ID: 2186243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192431463851823 4.6843e-08  
a 2.662822068404479 1.579e-08 au
q 2.150411319804466 1.2514e-07 au
i 12.95033737583349 4.6517e-06 deg
node 97.58621218001117 2.334e-05 deg
peri 264.7846488885156 2.6097e-05 deg
M 198.8106006335257 1.4005e-05 deg
tp 2459911.133414425627
(2022-Nov-27.63341443)
6.4556e-05 TDB
period 1587.126884266033
4.35
1.4117e-05
3.865e-08
d
yr
n .2268249650162546 2.0175e-09 deg/d
Q 3.175232817004492 1.8828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8634 days (23.64 yr)  
   first obs. used      1996-09-08  
   last obs. used      2020-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:29  

Additional Information
 Earth MOID = 1.1919 au 
 Jupiter MOID = 2.4129 au 
 T_jup = 3.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.77   n/a E2021B55  
rotation period rot_per 22.0422 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.]

186243 (2001 XZ157)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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