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JPL Small-Body Database Browser
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(2019 QP2)
Classification: Apollo [NEO]          SPK-ID: 3843618
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 2458721.5 (2019-Aug-26.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5685406650716666 0.00076551  
a 1.483200421601801 0.001931 au
q .639940667469737 0.00030227 au
i .7297820074496695 0.0011422 deg
node 213.8130834002461 0.034265 deg
peri 24.5018639119932 0.036275 deg
M 30.5051151548067 0.07743 deg
tp 2458665.592721061264
(2019-Jul-01.09272106)
0.032725 TDB
period 659.7785425757883
1.81
1.2885
0.003528
d
yr
n .5456376295515052 0.0010656 deg/d
Q 2.326460175733866 0.0030289 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      7 days  
   first obs. used      2019-08-25  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .39549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-02 05:59:09  

Additional Information
 Earth MOID = .0113038 au 
 Jupiter MOID = 2.69125 au 
 T_jup = 4.387 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.86008504423462E-7 -2.313761535581839E-7 2.505130965928527E-5 -2.494658166720841E-5 2.64779367103924E-5 8.721884496838767E-7
q -2.313761535581839E-7 9.136523485177825E-8 -9.890867621371666E-6 9.823438757309831E-6 -1.042666544362E-5 -3.441632842100562E-7
tp 2.505130965928527E-5 -9.890867621371666E-6 .001070926368382458 -.001066991387298747 .001132490239912514 3.728948668923333E-5
node -2.494658166720841E-5 9.823438757309831E-6 -.001066991387298747 .001174108980501271 -.001242877418846363 -3.798410467599174E-5
peri 2.64779367103924E-5 -1.042666544362E-5 .001132490239912514 -.001242877418846363 .001315844950078199 4.029132052376462E-5
i 8.721884496838767E-7 -3.441632842100562E-7 3.728948668923333E-5 -3.798410467599174E-5 4.029132052376462E-5 1.304676531088092E-6

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 24.743   .43657 5 autocmod 2.8

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