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17710 (1997 WT2)
Classification: Main-belt Asteroid          SPK-ID: 2017710
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07115177987545705 3.6973e-08  
a 2.28528611579222 8.926e-09 au
q 2.122683941128933 8.2287e-08 au
i 7.514291926507656 4.0785e-06 deg
node 73.21426262539299 3.4918e-05 deg
peri 5.73625872813458 5.1316e-05 deg
M 239.8507822848197 3.5744e-05 deg
tp 2459621.641214495425
(2022-Feb-11.14121450)
0.00012495 TDB
period 1261.854551377556
3.45
7.3929e-06
2.024e-08
d
yr
n .2852943705809762 1.6715e-09 deg/d
Q 2.447888290455506 9.5611e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:33  

Additional Information
 Earth MOID = 1.13777 au 
 Jupiter MOID = 2.71193 au 
 T_jup = 3.588 
[ 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 15.39   n/a E2021B10  
diameter diameter 2.383 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17710 (1997 WT2)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WT2 = 1999 JE30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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