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66178 (1998 WL13)
Classification: Main-belt Asteroid          SPK-ID: 2066178
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126877827092938 4.3148e-08  
a 3.185987980977628 2.1018e-08 au
q 2.78175674880697 1.4301e-07 au
i 12.10994983786895 3.8137e-06 deg
node 259.7488478468309 2.3724e-05 deg
peri 112.8056860435204 3.2061e-05 deg
M 355.3080149832928 1.9182e-05 deg
tp 2459227.571900324607
(2021-Jan-13.07190032)
0.00011064 TDB
period 2077.134535203216
5.69
2.0555e-05
5.628e-08
d
yr
n .1733156875006074 1.7151e-09 deg/d
Q 3.590219213148287 2.3685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:02  

Additional Information
 Earth MOID = 1.81036 au 
 Jupiter MOID = 1.97641 au 
 T_jup = 3.151 
[ 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 13.85   n/a E2021B10  
diameter diameter 14.271 km 4.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.029   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

66178 (1998 WL13)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WL13 = 2000 AZ198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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