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43126 (1999 XL64)
Classification: Outer Main-belt Asteroid          SPK-ID: 2043126
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390709159541142 3.4385e-08  
a 3.230885652492636 2.3743e-08 au
q 2.78156342545748 1.0555e-07 au
i .4487506920081557 4.3144e-06 deg
node 163.0628370181454 0.00053686 deg
peri 306.5957952394771 0.00053717 deg
M 202.8234369849868 1.8126e-05 deg
tp 2460126.617510179844
(2023-Jul-01.11751018)
0.00010951 TDB
period 2121.196043922258
5.81
2.3382e-05
6.402e-08
d
yr
n .1697155720384673 1.8708e-09 deg/d
Q 3.680207879527793 2.7045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      7966 days (21.81 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:05  

Additional Information
 Earth MOID = 1.79818 au 
 Jupiter MOID = 1.43903 au 
 T_jup = 3.171 
[ 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 13.94   n/a E2021B10  
diameter diameter 7.433 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.67 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.106   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43126 (1999 XL64)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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