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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 
[ 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 24.743   .43657 5 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1998-Feb-09 02:59 4_20:00 Mars 0.0624299619670483 0.0455696740715446 0.164203517062279 14.0460902283356 14.0457637437287 2450853.624532654 6959.95921343502 5738825.02512726 203.156469664964 46.8861708407171 33152.9255225274 T 5 CATAB v2.0f-lin.ifort 2019-Sep-02 05:59:11 2019-Sep-02 05:59
2019-Aug-23 04:56 < 00:01 Earth 0.0141010466621265 0.0140459406197702 0.0141561521688996 17.4899978705561 17.4791908632356 2458718.705855901 0.184453308158192 2744.48087055487 8.38984046468168 -0.0636582542227356 593.287074529249 T 5 CATAB v2.0f-lin.ifort 2019-Sep-02 05:59:11 2019-Sep-02 05:59
2021-Mar-05 02:44 9_12:08 Earth 0.178267909876545 0.111709748380709 0.244842882023762 12.060195181056 12.0589557934073 2459278.614205332 13687.743535183 3320528.03677053 58.7283699000372 -1.20293496012661 10771.4459811873 T 5 CATAB v2.0f-lin.ifort 2019-Sep-02 05:59:11 2019-Sep-02 05:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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