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22159 (2000 WW116)
Classification: Main-belt Asteroid          SPK-ID: 2022159
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243765575660457 4.6844e-08  
a 2.754357815034704 1.3268e-08 au
q 2.411780271695553 1.2903e-07 au
i 10.40074966862089 4.3296e-06 deg
node 68.05658264655052 2.3104e-05 deg
peri 354.2827843061085 2.9287e-05 deg
M 154.0431132369506 1.7031e-05 deg
tp 2458486.055083182032
(2019-Jan-02.55508318)
7.8276e-05 TDB
period 1669.663541912715
4.57
1.2065e-05
3.303e-08
d
yr
n .2156123020974604 1.558e-09 deg/d
Q 3.096935358373856 1.4919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      15777 days (43.20 yr)  
   first obs. used      1977-12-07  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:45  

Additional Information
 Earth MOID = 1.42462 au 
 Jupiter MOID = 2.22112 au 
 T_jup = 3.309 
[ 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 13.88   n/a E2021B10  
diameter diameter 4.395 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.57478 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 0.303   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22159 (2000 WW116)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WW116 = 1977 XR2 = 1986 WS9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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