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160820 (2000 WD125)
Classification: Main-belt Asteroid          SPK-ID: 2160820
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059805211339934 4.4651e-08  
a 2.352244299211918 1.0994e-08 au
q 1.867727792625782 1.0349e-07 au
i 6.550319956899699 4.365e-06 deg
node 113.4680204280921 4.4912e-05 deg
peri 246.1487963093737 4.6288e-05 deg
M 233.2321104413064 1.079e-05 deg
tp 2459664.511584559345
(2022-Mar-26.01158456)
4.0454e-05 TDB
period 1317.716742172493
3.61
9.2381e-06
2.529e-08
d
yr
n .2731998376270725 1.9153e-09 deg/d
Q 2.836760805798054 1.3258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7449 days (20.39 yr)  
   first obs. used      2000-09-25  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57047  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:56  

Additional Information
 Earth MOID = .873631 au 
 Jupiter MOID = 2.63003 au 
 T_jup = 3.519 
[ 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 16.65   n/a E2021B55  
rotation period rot_per 18.9964 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.]

160820 (2000 WD125)          Discovered 2000-Nov-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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