Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
25053 Matthewknight (1998 QB55)
Classification: Main-belt Asteroid          SPK-ID: 2025053
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0741135959214793 9.2005e-08  
a 2.988662335780324 4.2798e-08 AU
q 2.767161823080556 2.9312e-07 AU
i 8.957270160935433 1.4174e-05 deg
node 343.4994242247526 4.2838e-05 deg
peri 58.09561837014278 0.00011656 deg
M 19.72299098508149 0.00011266 deg
tp 2456897.108704279651
(2014-Aug-27.60870428)
0.00058933 JED
period 1887.181639310165
5.17
4.0537e-05
1.11e-07
d
yr
n .1907606520226603 4.0976e-09 deg/d
Q 3.210162848480091 4.597e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      9424 days (25.80 yr)  
   first obs. used      1988-11-13  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56152  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:19:49  

Additional Information
 Earth MOID = 1.78623 AU 
 T_jup = 3.234 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO266085  

25053 Matthewknight           Discovered 1998 Aug. 27 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Matthew M. Knight (b. 1978) is an astronomer at Lowell Observatory in Flagstaff, Arizona. He has studied many aspects of cometary dynamics and their physical properties over multiple wavelengths to improve understanding of sungrazing comets and fragmenting comets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1998 QB55 = 1988 VJ9 = 1998 RU66 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-25 07:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin