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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18016646586534 3.8836e-08  
a 2.258546121461377 7.5787e-09 au
q 1.85163184876381 8.8603e-08 au
i 3.876356635218002 3.8791e-06 deg
node 295.2834003636921 6.2006e-05 deg
peri 22.4811626712616 6.2927e-05 deg
M 13.31513339797792 1.1307e-05 deg
tp 2459154.645190518161
(2020-Nov-01.14519052)
3.8904e-05 TDB
period 1239.772138968494
3.39
6.2402e-06
1.708e-08
d
yr
n .2903759398073943 1.4616e-09 deg/d
Q 2.665460394158944 8.9441e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1500  
   data-arc span      10039 days (27.49 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:38  

Additional Information
 Earth MOID = .836927 au 
 Jupiter MOID = 2.6222 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 14.96   n/a E2021B10  
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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