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17714 (1997 WR38)
Classification: Main-belt Asteroid          SPK-ID: 2017714
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800496672998882 4.4613e-08  
a 2.2582082530971 8.0321e-09 au
q 1.851618608433106 1.0055e-07 au
i 3.876410654537755 4.0156e-06 deg
node 295.2846803776403 6.7668e-05 deg
peri 22.63162045604854 6.8632e-05 deg
M 198.9249558201861 1.2617e-05 deg
tp 2459155.087620044437
(2020-Nov-01.58762004)
4.4044e-05 TDB
period 1239.493952850444
3.39
6.613e-06
1.811e-08
d
yr
n .2904411104000256 1.5496e-09 deg/d
Q 2.664797897761095 9.4783e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:23:08  

Additional Information
 Earth MOID = .838072 au 
 Jupiter MOID = 2.62152 au 
 T_jup = 3.597 
[ 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 15.0   n/a MPO435864  
diameter diameter 3.208 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17714 (1997 WR38)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WR38 = 1993 OG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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