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JPL Small-Body Database Browser
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(2019 QE1)
Classification: Apollo [NEO]          SPK-ID: 3843593
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 2458719.5 (2019-Aug-24.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3711201105055285 0.00075679  
a 1.566213960176447 0.001854 au
q .9849604622004623 1.9349e-05 au
i 5.135078939632674 0.0087426 deg
node 323.6087405625697 0.0021892 deg
peri 49.86017296446099 0.0020081 deg
M 340.0418983028096 0.040913 deg
tp 2458759.190977372579
(2019-Oct-02.69097737)
0.010887 TDB
period 715.937420848995
1.96
1.2712
0.00348
d
yr
n .5028372445919836 0.00089286 deg/d
Q 2.147467458152431 0.0025421 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      17 days  
   first obs. used      2019-08-22  
   last obs. used      2019-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .25972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:36:36  

Additional Information
 Earth MOID = .0335069 au 
 Jupiter MOID = 3.3277 au 
 T_jup = 4.337 
[ 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 25.2   .29746 MPO492666 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
2015-Dec-02 03:37 6_22:49 Earth 0.384239285390545 0.260079597343564 0.511166439639949 17.4075264255359 17.407128062992 2457358.650731195 10008.6976352302 6468452.90302728 104.56618288015 -13.7643953843746 111437.819948085 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:36:36 2021-Apr-15 21:36
2017-Nov-13 11:56 7_01:21 Earth 0.142867565545803 0.102452865609995 0.197791422165284 9.33879294511919 9.33679568601764 2458070.997361210 10161.4680486322 3307051.81242886 123.979246336829 -40.9666298942661 100636.919490792 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:36:36 2021-Apr-15 21:36
2019-Sep-05 21:39 < 00:01 Earth 0.033765579973539 0.03357947086567 0.0339516817239694 6.64326961442129 6.63138062195891 2458732.401937510 0.399969316182414 9246.92331401633 15.2588324481226 0.118235898739932 312.617985808282 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:36:36 2021-Apr-15 21:36
2021-Aug-10 07:24 4_02:55 Earth 0.248395206619885 0.183954342867787 0.312930582265611 13.886313204869 13.8855407123728 2459436.808634364 5934.4998111312 3224826.92690392 22.4325929799586 -4.19438233968608 99634.0717218345 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:36:36 2021-Apr-15 21:36
2021-Dec-20 21:22 8_15:42 Earth 0.456946517546182 0.412781377804231 0.502051457251171 4.60477566613612 4.60350918642983 2459569.390347296 12462.2008550635 2454121.5042775 185.536030988086 24.9912675750446 41571.5457619778 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:36:36 2021-Apr-15 21:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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