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(2019 QW2)
Classification: Aten [NEO]          SPK-ID: 3843623
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140672051732984 1.4255e-06  
a .9665583806329427 3.8543e-07 au
q .8563057675173137 1.7191e-06 au
i 6.475110726504533 5.564e-05 deg
node 291.8313347431319 0.0003452 deg
peri 268.6562266271912 0.00027153 deg
M 257.5288450956193 0.00017748 deg
tp 2459299.296075471767
(2021-Mar-25.79607547)		 0.00022049 TDB
period 347.0887705230259
0.95		 0.00020761
5.684e-07		 d
yr
n 1.037198637851401 6.2039e-07 deg/d
Q 1.076810993748572 4.2939e-07 au
   Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      481 days (1.32 yr)  
   first obs. used      2019-08-24  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:36:42  

Additional Information
 Earth MOID = .022522 au 
 Jupiter MOID = 3.89003 au 
 T_jup = 6.234 
[ 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 24.8   .35628 MPO600138 autocmod 2.8

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