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 ]  
20411 (1998 QJ69)
Classification: Main-belt Asteroid          SPK-ID: 2020411
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04900003128939932 5.2732e-08  
a 3.144741808939501 2.299e-08 au
q 2.990649361904383 1.7163e-07 au
i 15.45527875681633 6.2494e-06 deg
node 210.1028373074914 1.6259e-05 deg
peri 23.34503241016404 5.2206e-05 deg
M 63.26580349829359 4.9089e-05 deg
tp 2458642.533450010107
(2019-Jun-08.03345001)
0.00027791 TDB
period 2036.929128701217
5.58
2.2337e-05
6.116e-08
d
yr
n .1767366350293898 1.9381e-09 deg/d
Q 3.298834255974618 2.4116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      9424 days (25.80 yr)  
   first obs. used      1993-07-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:52:21  

Additional Information
 Earth MOID = 1.98687 au 
 Jupiter MOID = 1.68058 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04602022234266924 5.3018e-08  
q 2.997772466728082 1.7072e-07 au
tp 2456613.143045460459
(2013-Nov-16.64304546)
0.00029814 TDB
node 210.2528876512674 1.6229e-05 deg
peri 24.19395532219109 5.5195e-05 deg
i 15.47524511196922 6.2547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      9424 days (25.80 yr)  
   first obs. used      1993-07-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:52:21  

Additional Information
 Jupiter MOID = 1.68058 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.810863228664152E-15 -8.982891209446478E-15 -4.222663536164143E-12 -3.152538054340626E-15 -7.237085844968408E-13 1.433684956151643E-15
q -8.982891209446478E-15 2.914373035989905E-14 1.229914026140826E-11 1.445068518415858E-14 2.100046056846569E-12 -3.13400688527409E-15
tp -4.222663536164143E-12 1.229914026140826E-11 8.888808777702444E-8 2.64379102882982E-12 1.574720423064839E-8 3.74325599353492E-12
node -3.152538054340626E-15 1.445068518415858E-14 2.64379102882982E-12 2.633840642340845E-10 -2.527486495561702E-10 -3.817488802969825E-12
peri -7.237085844968408E-13 2.100046056846569E-12 1.574720423064839E-8 -2.527486495561702E-10 3.046449569929077E-9 4.456587830332306E-12
i 1.433684956151643E-15 -3.13400688527409E-15 3.74325599353492E-12 -3.817488802969825E-12 4.456587830332306E-12 3.912064667172873E-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 13.4   n/a MPO492967  
diameter diameter 11.008 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.076   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20411 (1998 QJ69)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QJ69 = 1999 PD1 
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 17:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin