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22044 (1999 XS206)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022044
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03463091403606661 1.9753e-08  
a 3.238070173955806 2.1043e-08 au
q 3.125932844118791 6.5722e-08 au
i 20.42103513645925 6.3497e-07 deg
node 319.6230336061075 1.5778e-06 deg
peri 270.7478595292311 2.5221e-05 deg
M 100.1639138220441 2.8019e-05 deg
tp 2458608.343369510858
(2019-May-04.84336951)
0.0001634 TDB
period 2128.275332320083
5.83
2.0747e-05
5.68e-08
d
yr
n .1691510466399831 1.6489e-09 deg/d
Q 3.350207503792821 2.1772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2442  
   data-arc span      24372 days (66.73 yr)  
   first obs. used      1954-04-03  
   last obs. used      2020-12-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:22  

Additional Information
 Earth MOID = 2.18185 au 
 Jupiter MOID = 1.79313 au 
 T_jup = 3.085 
[ 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 12.28   n/a E2021B10  
diameter diameter 20.654 km 2.804 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.265 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.066   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

22044 (1999 XS206)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XS206 = 1989 EE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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