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150777 (2001 QW263)
Classification: Main-belt Asteroid          SPK-ID: 2150777
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3100484299864557 4.7927e-08  
a 2.629573565074836 9.9437e-09 au
q 1.814278409689496 1.2385e-07 au
i 4.879164756198009 5.2376e-06 deg
node 68.53942253301109 5.8537e-05 deg
peri 275.3942146258772 5.9178e-05 deg
M 205.9241926327514 9.5632e-06 deg
tp 2459867.089342733010
(2022-Oct-14.58934273)
4.3651e-05 TDB
period 1557.494115944473
4.26
8.8344e-06
2.419e-08
d
yr
n .2311405200922342 1.3111e-09 deg/d
Q 3.444868720460175 1.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      11510 days (31.51 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:49:25  

Additional Information
 Earth MOID = .813058 au 
 Jupiter MOID = 1.99658 au 
 T_jup = 3.326 
[ 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 16.31   n/a E2021B55  
rotation period rot_per 51.1825 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

150777 (2001 QW263)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 QW263 = 1988 SQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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