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43149 (1999 XU107)
Classification: Main-belt Asteroid          SPK-ID: 2043149
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143339096813119 4.2471e-08  
a 2.721662436853789 1.4054e-08 au
q 2.410484129615529 1.2009e-07 au
i 10.23184421752091 5.3932e-06 deg
node 240.5268579251962 2.0226e-05 deg
peri 37.71024580260374 2.9143e-05 deg
M 8.918832645439549 2.053e-05 deg
tp 2459159.869204062125
(2020-Nov-06.36920406)
9.3528e-05 TDB
period 1640.022536482292
4.49
1.2703e-05
3.478e-08
d
yr
n .2195091786800498 1.7003e-09 deg/d
Q 3.032840744092049 1.5661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1990-11-22  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:29  

Additional Information
 Earth MOID = 1.40143 au 
 Jupiter MOID = 2.07142 au 
 T_jup = 3.326 
[ 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 14.49   n/a E2021B10  
diameter diameter 3.377 km 0.765 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.35148 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 0.246   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43149 (1999 XU107)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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