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 ]  
52776 (1998 QS19)
Classification: Main-belt Asteroid          SPK-ID: 2052776
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737881407108527 4.8578e-08  
a 2.329377425649481 1.0182e-08 au
q 1.924559253832026 1.1112e-07 au
i 1.404279777294353 4.4833e-06 deg
node 272.4968451751303 0.00022123 deg
peri 83.3790533794334 0.00022167 deg
M 276.8315317656376 1.3583e-05 deg
tp 2458900.495280506696
(2020-Feb-20.99528051)
4.9601e-05 TDB
period 1298.548635981604
3.56
8.5143e-06
2.331e-08
d
yr
n .2772325887723624 1.8178e-09 deg/d
Q 2.734195597466937 1.1952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      9685 days (26.52 yr)  
   first obs. used      1991-09-15  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:40  

Additional Information
 Earth MOID = .919749 au 
 Jupiter MOID = 2.70526 au 
 T_jup = 3.551 
[ 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 16.3   n/a MPO436153  
rotation period rot_per 7.151 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

52776 (1998 QS19)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QS19 = 1998 MN48 = 2000 EG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 09:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin