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(2017 QW1)
Classification: Aten [NEO]          SPK-ID: 3780740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265879578320563 0.00015097  
a .9850013788917752 2.8365e-06 au
q .8603120658761058 0.00014657 au
i 4.115060044113177 0.0051495 deg
node 327.0748785470338 0.0006682 deg
peri 233.8284289614833 0.013254 deg
M 56.49300069415867 0.037842 deg
tp 2458944.466748143456
(2020-Apr-04.96674814)
0.037317 TDB
period 357.0702639352177
0.98
0.0015424
4.223e-06
d
yr
n 1.008204928723255 4.3549e-06 deg/d
Q 1.109690691907445 3.1955e-06 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      12 days  
   first obs. used      2017-08-18  
   last obs. used      2017-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .64894  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Sep-15 06:23:19  

Additional Information
 Earth MOID = .0174749 au 
 Jupiter MOID = 3.85011 au 
 T_jup = 6.144 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   n/a MPO416579  
rotation period rot_per 0.0987 h n/a LCDB (Rev. 2019-August); 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:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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