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(2019 QW2)
Classification: Aten [NEO]          SPK-ID: 3843623
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137856289308296 4.0683e-06  
a .9668828055492702 1.1239e-06 au
q .8568654374174414 4.9295e-06 au
i 6.46490964086185 0.00017078 deg
node 291.9249876570685 0.00048508 deg
peri 268.6289102361474 0.00044069 deg
M 50.05770389831397 0.0001448 deg
tp 2458952.213291016420
(2020-Apr-12.71329102)
0.00011931 TDB
period 347.2635354869769
0.95
0.00060548
1.658e-06
d
yr
n 1.036676653928442 1.8075e-06 deg/d
Q 1.076900173681099 1.2518e-06 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      452 days (1.24 yr)  
   first obs. used      2019-08-24  
   last obs. used      2020-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .51537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-19 05:21:25  

Additional Information
 Earth MOID = .0221841 au 
 Jupiter MOID = 3.89102 au 
 T_jup = 6.233 
[ 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 MPO492671 autocmod 2.8

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