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17708 (1997 WB)
Classification: Main-belt Asteroid          SPK-ID: 2017708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292805097790423 3.6385e-08  
a 2.285922086813656 9.5507e-09 au
q 1.990396914115214 8.3573e-08 au
i 6.611760989457287 4.2387e-06 deg
node 166.6701472117349 3.6963e-05 deg
peri 133.6710909578996 4.0824e-05 deg
M 153.8074763977888 1.7838e-05 deg
tp 2458061.156426382909
(2017-Nov-03.65642638)
6.1779e-05 TDB
period 1262.381329240403
3.46
7.9114e-06
2.166e-08
d
yr
n .2851753203737719 1.7872e-09 deg/d
Q 2.581447259512098 1.0785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1990-09-28  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:21:43  

Additional Information
 Earth MOID = .98113 au 
 Jupiter MOID = 2.62797 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 15.4   n/a MPO502304  
diameter diameter 1.675 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17708 (1997 WB)          Discovered 1997-Nov-18 by Zoltowski, F. B. at Woomera
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WB = 1996 HF4 = 1999 CR68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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