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JPL Small-Body Database Browser
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160035 (1998 WQ27)
Classification: Main-belt Asteroid          SPK-ID: 2160035
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420169448897957 6.6972e-08  
a 2.360589991593962 1.4029e-08 au
q 2.025346212850359 1.542e-07 au
i 2.786339480414021 5.6731e-06 deg
node 44.48892410302231 0.00014051 deg
peri 109.0126048350717 0.00014194 deg
M 135.8023701721281 2.0246e-05 deg
tp 2458100.771500315296
(2017-Dec-13.27150032)
7.3001e-05 TDB
period 1324.735788178579
3.63
1.1809e-05
3.233e-08
d
yr
n .2717523020156157 2.4225e-09 deg/d
Q 2.695833770337565 1.6021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8644 days (23.67 yr)  
   first obs. used      1996-01-25  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:37:37  

Additional Information
 Earth MOID = 1.03803 au 
 Jupiter MOID = 2.29602 au 
 T_jup = 3.536 
[ 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 17.2   n/a MPO280846  
rotation period rot_per 2.13 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. 237, A19.]

160035 (1998 WQ27)          Discovered 1998-Nov-18 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

Alternate Designations
 1998 WQ27 = 2000 HC16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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