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67858 (2000 WX20)
Classification: Main-belt Asteroid          SPK-ID: 2067858
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09519366223532008 4.253e-08  
a 2.564451615790028 1.2319e-08 au
q 2.320332074857692 1.0415e-07 au
i 5.522292115857719 3.217e-06 deg
node 109.0770769912699 4.2672e-05 deg
peri 127.5621276509369 4.6201e-05 deg
M 143.1773955803161 1.7713e-05 deg
tp 2458603.928985338832
(2019-Apr-30.42898534)
7.4432e-05 TDB
period 1499.996311621318
4.11
1.0809e-05
2.959e-08
d
yr
n .2400005901420402 1.7294e-09 deg/d
Q 2.808571156722365 1.3492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      8360 days (22.89 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:32:59  

Additional Information
 Earth MOID = 1.31163 au 
 Jupiter MOID = 2.19771 au 
 T_jup = 3.420 
[ 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 14.92   n/a MPCxxxxx  
diameter diameter 2.290 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.756 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.337   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67858 (2000 WX20)          Discovered 2000-Nov-25 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WX20 = 1998 FS145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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