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JPL Small-Body Database Browser
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27117 (1998 WQ3)
Classification: Main-belt Asteroid          SPK-ID: 2027117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222565466956915 3.8475e-08  
a 2.565250751514957 1.2925e-08 au
q 2.251632053226211 1.0019e-07 au
i 12.39967278274635 4.402e-06 deg
node 267.0865370361289 1.9566e-05 deg
peri 2.980309919706523 2.8081e-05 deg
M 170.790065694587 2.3044e-05 deg
tp 2457888.543815458881
(2017-May-15.04381546)
9.4049e-05 TDB
period 1500.697510668655
4.11
1.1342e-05
3.105e-08
d
yr
n .2398884501644821 1.813e-09 deg/d
Q 2.878869449803704 1.4505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1677  
   data-arc span      10055 days (27.53 yr)  
   first obs. used      1992-05-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:40  

Additional Information
 Earth MOID = 1.23517 au 
 Jupiter MOID = 2.22226 au 
 T_jup = 3.390 
[ 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 13.4   n/a MPO302226  

27117 (1998 WQ3)          Discovered 1998-Nov-19 by Kobayashi, T. at Oizumi
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WQ3 = 1992 KM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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