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
JPL Small-Body Database Browser
Search: [ help ]  
392149 (2009 HQ40)
Classification: Main-belt Asteroid          SPK-ID: 2392149
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 .1342428775979305 5.4026e-08  
a 3.191569941704032 6.3267e-08 au
q 2.763124408674623 1.7937e-07 au
i 12.80397762572853 8.1277e-06 deg
node 160.0452032766739 2.8506e-05 deg
peri 127.1638582453159 4.3626e-05 deg
M 262.4879902525764 3.2574e-05 deg
tp 2459564.605823156189
(2021-Dec-16.10582316)
0.00019475 TDB
period 2082.595742434624
5.70
6.1926e-05
1.695e-07
d
yr
n .1728612004071169 5.14e-09 deg/d
Q 3.62001547473344 7.176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5256 days (14.39 yr)  
   first obs. used      2005-09-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:42:42  

Additional Information
 Earth MOID = 1.76984 au 
 Jupiter MOID = 1.77587 au 
 T_jup = 3.144 
[ 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 16.0   n/a MPO423457  

392149 (2009 HQ40)          Discovered 2009-Apr-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1979-Oct-02 01:41 00:04 Jupiter 1.9624433847533 1.96244146839545 1.96244530113 3.9143572190759 3.80249390217985 2444148.569806579 3.82695747025696 355.783916139937 35.0691572681623 -77.8505364451962 1584342.18169862 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
1990-Sep-19 05:41 00:03 Jupiter 1.81604319840363 1.81604209180154 1.81604430500718 2.82540576301857 2.65520163734341 2448153.736546761 2.94124109871444 227.842840909396 34.7542311224209 89.8651810974474 993831.743454564 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2001-Jul-30 13:01 00:02 Jupiter 1.76978017972267 1.76977914459003 1.76978121485512 1.5921833564153 1.25612156033525 2452121.042460417 1.99443567322401 217.376607168738 119.402729200104 -51.6612251536317 1348167.11910148 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2012-May-14 04:06 < 00:01 Jupiter 1.77495935492168 1.77495838821818 1.77496032162498 2.47257891816629 2.27139452422653 2456061.670509604 0.731958928375357 100.64313598401 40.0479763010884 85.1794943911761 1038051.33452534 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2023-Apr-02 11:16 < 00:01 Jupiter 1.85324009652683 1.85323919762192 1.85324099543174 4.15201829919068 4.0404401859257 2460036.969666909 0.755946573558722 93.9604303685538 37.2200657369453 -81.705490204403 1518592.49934865 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2121-Dec-04 10:15 00:08 Jupiter 1.88298896090405 1.88298634334871 1.88299157854137 3.67078687061776 3.54612729715662 2496076.927151064 7.5791416866811 678.426350535499 33.7541524152425 -81.7363964012221 1453177.09830826 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2132-Nov-25 17:38 00:09 Jupiter 1.77976350745972 1.77976237576006 1.77976463917535 2.68524143239306 2.50173627632993 2500086.234727395 9.38367476461351 533.216783015693 39.7474959680621 80.9815986566401 837148.622441478 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2143-Oct-05 00:03 00:12 Jupiter 1.78310714795274 1.7831059017477 1.78310839419792 1.63459182962596 1.31218830894784 2504051.502382219 12.3779774688612 955.685469939624 103.617844235982 -71.1821437787597 1516124.08305532 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2154-Jul-19 00:04 00:13 Jupiter 1.82991357670563 1.82991195211255 1.82991520135208 2.81536846152619 2.64585490668232 2507991.502828910 12.9848284198219 693.405772967386 34.3802856028857 78.6071100643282 807002.910904005 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43
2165-Jun-06 09:21 00:13 Jupiter 1.9341639656367 1.93416020843732 1.93416772305014 4.56179870054348 4.46476802254029 2511966.889474845 12.8410459570656 1068.27686071369 37.1154605015812 -82.0991406325604 1702434.726907 T 16 CATAB v2.0f-lin.ifort 2020-Feb-26 04:42:50 2020-Feb-26 04:43

Alternate Designations
 2009 HQ40 = 2010 GT50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 04:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin