Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
(2019 QR)
Classification: Apollo [NEO]          SPK-ID: 3843576
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458718.5 (2019-Aug-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4312176790140493 0.00091978  
a 1.751944239830728 0.0028235 au
q .9964749109688885 6.7052e-06 au
i 1.067298577659801 0.0016397 deg
node 181.4545565993253 0.011608 deg
peri 180.4654760754423 0.013174 deg
M 348.1613327041175 0.032847 deg
tp 2458746.353460605588
(2019-Sep-19.85346061)
0.0099997 TDB
period 846.9910985250117
2.32
2.0476
0.005606
d
yr
n .4250339827973637 0.0010275 deg/d
Q 2.507413568692567 0.0040411 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      4 days  
   first obs. used      2019-08-21  
   last obs. used      2019-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .58761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-25 05:25:34  

Additional Information
 Earth MOID = .00302651 au 
 Jupiter MOID = 2.94794 au 
 T_jup = 4.017 
[ 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 26.211   .34972 2 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin