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 ]  
46859 (1998 QB51)
Classification: Main-belt Asteroid          SPK-ID: 2046859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788492940937452 3.5031e-08  
a 2.44767000657157 8.5942e-09 au
q 2.009905953721812 8.7472e-08 au
i 5.11504393289895 4.426e-06 deg
node 153.5697742858794 3.5526e-05 deg
peri 136.1774519623664 3.7125e-05 deg
M 283.6306413988668 1.1177e-05 deg
tp 2459297.218324780839
(2021-Mar-23.71832478)
4.3855e-05 TDB
period 1398.710148647458
3.83
7.3667e-06
2.017e-08
d
yr
n .2573799870889028 1.3556e-09 deg/d
Q 2.885434059421328 1.0131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1144  
   data-arc span      9431 days (25.82 yr)  
   first obs. used      1994-07-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:35  

Additional Information
 Earth MOID = .997478 au 
 Jupiter MOID = 2.30506 au 
 T_jup = 3.470 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO381608  

46859 (1998 QB51)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QB51 = 2001 FE69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 10:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin