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393264 (2013 WW16)
Classification: Main-belt Asteroid          SPK-ID: 2393264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428754745346538 6.674e-08  
a 2.244401453253535 1.9586e-08 au
q 1.923731530573669 1.4824e-07 au
i 4.210521836718961 1.2582e-05 deg
node 61.69677074304895 0.00011437 deg
peri 54.10098696385735 0.00012986 deg
M 302.1823046780989 5.651e-05 deg
tp 2459197.745686332029
(2020-Dec-14.24568633)
0.00019365 TDB
period 1228.143852572982
3.36
1.6076e-05
4.401e-08
d
yr
n .2931252713155663 3.837e-09 deg/d
Q 2.5650713759334 2.2384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6271 days (17.17 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65011  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:56:48  

Additional Information
 Earth MOID = .943673 au 
 Jupiter MOID = 2.52403 au 
 T_jup = 3.615 
[ 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 18.1   n/a MPO440697  

393264 (2013 WW16)          Discovered 2006-Oct-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1958-Apr-16 06:44 00:02 Thisb 0.0453449755679277 0.0453362752122907 0.0453536775941523 5.25470471863692 5.25470469002169 2436309.780858749 2.13283847315357 618.668427456898 78.6464543496882 45.9652646789135 62454.3271156417 T 9 CATAB v2.0e-lin.ifort 2018-May-07 06:56:51 2018-Dec-18 02:42

Alternate Designations
 2013 WW16 = 2008 HC59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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