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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268389385507609 0.00014794  
a .9847605233809059 4.4314e-06 au
q .8598545438685801 0.00014205 au
i 4.116467668579665 0.0050697 deg
node 326.9632804624703 0.0006366 deg
peri 233.8875565276205 0.012208 deg
M 258.24288833414 0.037196 deg
tp 2459301.391979512661
(2021-Mar-27.89197951)
0.037536 TDB
period 356.9393040933176
0.98
0.0024094
6.597e-06
d
yr
n 1.008574835753818 6.8079e-06 deg/d
Q 1.109666502893232 4.9935e-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.      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 = .0163815 au 
 Jupiter MOID = 3.84904 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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