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 ]  
136943 (1998 QH73)
Classification: Main-belt Asteroid          SPK-ID: 2136943
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2885028453792386 4.6177e-08  
a 2.432911668322251 1.0366e-08 au
q 1.731009729454931 1.121e-07 au
i 7.50706011415387 6.8226e-06 deg
node 207.4578818689978 4.0542e-05 deg
peri 88.32027961863911 4.2458e-05 deg
M 289.3544232392612 1.2658e-05 deg
tp 2459272.500945177120
(2021-Feb-27.00094518)
4.9298e-05 TDB
period 1386.078856648
3.79
8.8583e-06
2.425e-08
d
yr
n .25972548262557 1.6599e-09 deg/d
Q 3.134813607189571 1.3356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:42:08  

Additional Information
 Earth MOID = .73578 au 
 Jupiter MOID = 2.14937 au 
 T_jup = 3.437 
[ 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 16.4   n/a MPO436676  

136943 (1998 QH73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 QH73 = 2002 TM27 
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 21:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin