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JPL Small-Body Database Browser
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46740 (1997 WQ14)
Classification: Main-belt Asteroid          SPK-ID: 2046740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607199112142164 3.5548e-08  
a 2.280923441160651 8.8625e-09 au
q 1.914333628210886 8.0546e-08 au
i 5.456336660338327 4.145e-06 deg
node 250.7365197118411 4.9837e-05 deg
peri 226.2339958560522 5.2389e-05 deg
M 20.87836306679373 1.5881e-05 deg
tp 2458527.527632880309
(2019-Feb-13.02763288)
5.5343e-05 TDB
period 1258.242903385011
3.44
7.3333e-06
2.008e-08
d
yr
n .2861132767222477 1.6675e-09 deg/d
Q 2.647513254110415 1.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      9359 days (25.62 yr)  
   first obs. used      1993-07-25  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:01  

Additional Information
 Earth MOID = .935621 au 
 Jupiter MOID = 2.46632 au 
 T_jup = 3.582 
[ 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 15.7   n/a MPO432025  

46740 (1997 WQ14)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WQ14 = 2000 QQ178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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