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 ]  
100952 (1998 QR5)
Classification: Mars-crossing Asteroid          SPK-ID: 2100952
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3043797097217562 2.9688e-08  
a 2.313877000860748 7.9613e-09 au
q 1.609579791006906 6.894e-08 au
i 18.47287555667807 1.2333e-05 deg
node 318.2601446260718 1.2499e-05 deg
peri 100.0373381989714 4.5123e-05 deg
M 23.04523570274258 3.3778e-05 deg
tp 2458918.202340455916
(2020-Mar-09.70234046)		 0.00012056 TDB
period 1285.608783439104
3.52		 6.635e-06
1.817e-08		 d
yr
n .2800229779365476 1.4452e-09 deg/d
Q 3.01817421071459 1.0385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      10290 days (28.17 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:36:26  

Additional Information
 Earth MOID = .73535 au 
 Jupiter MOID = 2.57912 au 
 T_jup = 3.454 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO395889  

100952 (1998 QR5)          Discovered 1998-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 16:30 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin