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67040 (1999 XL187)
Classification: Main-belt Asteroid          SPK-ID: 2067040
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069284391394614 3.7606e-08  
a 2.566884961257782 1.2774e-08 au
q 2.035723462774153 1.0177e-07 au
i 8.656256745927086 4.277e-06 deg
node 41.15376453567954 2.9806e-05 deg
peri 198.6919692043079 3.3494e-05 deg
M 277.7982696840494 1.8133e-05 deg
tp 2459543.493976959520
(2021-Nov-24.99397696)
7.7462e-05 TDB
period 1502.131782759655
4.11
1.1213e-05
3.07e-08
d
yr
n .2396593988169418 1.789e-09 deg/d
Q 3.098046459741412 1.5417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      9658 days (26.44 yr)  
   first obs. used      1994-10-13  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5084  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:03:06  

Additional Information
 Earth MOID = 1.02455 au 
 Jupiter MOID = 1.91914 au 
 T_jup = 3.386 
[ 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 15.13   n/a MPCxxxxx  
diameter diameter 2.823 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 63.3541 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.]
geometric albedo albedo 0.320   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67040 (1999 XL187)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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