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 ]  
74115 (1998 QR48)
Classification: Main-belt Asteroid          SPK-ID: 2074115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2946677670927688 3.8287e-08  
a 2.64291467259823 1.2916e-08 au
q 1.864132907406993 1.0603e-07 au
i 1.074259545022957 3.9117e-06 deg
node 282.9029087157136 0.00018881 deg
peri 51.38116313089242 0.00018893 deg
M 297.046663728367 6.4493e-06 deg
tp 2458874.934931637321
(2020-Jan-26.43493164)
2.9213e-05 TDB
period 1569.362026551622
4.30
1.1504e-05
3.15e-08
d
yr
n .2293925773080111 1.6816e-09 deg/d
Q 3.421696437789466 1.6722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57326  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:18  

Additional Information
 Earth MOID = .853503 au 
 Jupiter MOID = 1.96747 au 
 T_jup = 3.331 
[ 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 14.9   n/a MPO347990  

74115 (1998 QR48)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR48 = 1997 GG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 08:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin