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JPL Small-Body Database Browser
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17716 (1997 WW43)
Classification: Main-belt Asteroid          SPK-ID: 2017716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07825182105701892 4.0998e-08  
a 2.236747133797877 7.429e-09 au
q 2.061717597334125 9.1466e-08 au
i 3.11029905206124 3.9866e-06 deg
node 307.7185800686756 7.4311e-05 deg
peri 59.46786867276872 7.9114e-05 deg
M 202.8329499491107 2.8656e-05 deg
tp 2459133.936541093010
(2020-Oct-11.43654109)
9.822e-05 TDB
period 1221.86650911437
3.35
6.0874e-06
1.667e-08
d
yr
n .2946312034208501 1.4679e-09 deg/d
Q 2.411776670261628 8.0104e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      10440 days (28.58 yr)  
   first obs. used      1990-10-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:39  

Additional Information
 Earth MOID = 1.06091 au 
 Jupiter MOID = 2.9016 au 
 T_jup = 3.632 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO267774  
diameter diameter 2.112 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.434   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17716 (1997 WW43)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WW43 = 1990 TW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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