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 ]  
13275 (1998 QT39)
Classification: Main-belt Asteroid          SPK-ID: 2013275
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957090358794885 3.4398e-08  
a 2.552615142678653 1.1233e-08 au
q 2.053045294133631 8.6533e-08 au
i 7.676656540527872 5.1979e-06 deg
node 142.6443000279797 2.9295e-05 deg
peri 256.6158962612296 3.2893e-05 deg
M 76.70923342536298 1.6051e-05 deg
tp 2458683.089286941841
(2019-Jul-18.58928694)
6.5789e-05 TDB
period 1489.623238278325
4.08
9.8331e-06
2.692e-08
d
yr
n .2416718474505543 1.5953e-09 deg/d
Q 3.052184991223675 1.3432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1459  
   data-arc span      10143 days (27.77 yr)  
   first obs. used      1992-02-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:32:56  

Additional Information
 Earth MOID = 1.0765 au 
 Jupiter MOID = 2.41151 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456088.5 (2012-Jun-10.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949186229020053 3.4133e-08  
q 2.054611295019401 8.5623e-08 au
tp 2455699.479176079508
(2011-May-17.97917608)
6.3227e-05 TDB
node 142.8120369445586 2.9225e-05 deg
peri 255.7330059019746 3.2928e-05 deg
i 7.683969945725361 5.2038e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1459  
   data-arc span      10143 days (27.77 yr)  
   first obs. used      1992-02-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:32:56  

Additional Information
 Jupiter MOID = 2.41151 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.165028190013319E-15 -2.90698444669329E-15 3.776423763506592E-13 -8.80809603600408E-15 7.438954713087784E-14 1.07468079224084E-15
q -2.90698444669329E-15 7.33125282817838E-15 -9.48723791094377E-13 2.210018757286052E-14 -1.836071680660598E-13 -2.661368235014362E-15
tp 3.776423763506592E-13 -9.48723791094377E-13 3.997703562842902E-9 -1.766336597961862E-11 9.7185958622973E-10 -3.284951708491071E-12
node -8.80809603600408E-15 2.210018757286052E-14 -1.766336597961862E-11 8.541213690174813E-10 -8.499058878422028E-10 -2.577596370146834E-11
peri 7.438954713087784E-14 -1.836071680660598E-13 9.7185958622973E-10 -8.499058878422028E-10 1.08428581713353E-9 2.479426173454643E-11
i 1.07468079224084E-15 -2.661368235014362E-15 -3.284951708491071E-12 -2.577596370146834E-11 2.479426173454643E-11 2.70795769324772E-11

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 13.9   n/a MPO416854  
diameter diameter 5.002 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13275 (1998 QT39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QT39 = 1992 DC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 07:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin