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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126319663490574 0.00015197  
a .9848048107151072 2.5061e-05 au
q .8604045984216764 0.00012795 au
i 4.145903184521922 0.0047285 deg
node 326.627411833036 0.0045436 deg
peri 234.0183739333158 0.00089688 deg
M 96.04827129268577 0.034947 deg
tp 2459301.261900371936
(2021-Mar-27.76190037)
0.031019 TDB
period 356.9633831474695
0.98
0.013626
3.731e-05
d
yr
n 1.008506802086409 3.8497e-05 deg/d
Q 1.109205023008538 2.8227e-05 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .63984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:20:19  

Additional Information
 Earth MOID = .0169278 au 
 Jupiter MOID = 3.84854 au 
 T_jup = 6.145 
[ 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. 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:
[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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