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 ]  
46321 (2001 QO84)
Classification: Main-belt Asteroid          SPK-ID: 2046321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0640820158339072 3.9034e-08  
a 2.839132665344908 1.5625e-08 au
q 2.657195320929712 1.1231e-07 au
i 1.491975432613795 4.2386e-06 deg
node 229.4649422894427 0.00015286 deg
peri 106.8619732904313 0.00015622 deg
M 15.65856069907649 3.1128e-05 deg
tp 2458924.497776871354
(2020-Mar-15.99777687)
0.00015106 TDB
period 1747.338139956019
4.78
1.4425e-05
3.949e-08
d
yr
n .2060276667509022 1.7008e-09 deg/d
Q 3.021070009760104 1.6627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      7922 days (21.69 yr)  
   first obs. used      1996-10-06  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:52:08  

Additional Information
 Earth MOID = 1.6479 au 
 Jupiter MOID = 2.21968 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456147.5 (2012-Aug-08.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06722199483806042 3.9241e-08  
q 2.647470071927096 1.1343e-07 au
tp 2455436.017911303293
(2010-Aug-27.51791130)
0.00014457 TDB
node 229.532192164581 0.00015292 deg
peri 108.2896445170413 0.00015594 deg
i 1.490728324190316 4.2443e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      7922 days (21.69 yr)  
   first obs. used      1996-10-06  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:52:08  

Additional Information
 Jupiter MOID = 2.21968 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.539839922264949E-15 -4.414479075672573E-15 1.286478989044077E-12 -6.719326770723467E-15 2.521204865793553E-13 -2.453136245208001E-16
q -4.414479075672573E-15 1.286634456293869E-14 -4.006302938354807E-12 2.170182574438454E-14 -7.748357043352677E-13 7.342702547270236E-16
tp 1.286478989044077E-12 -4.006302938354807E-12 2.089926291579435E-8 -1.335726574073683E-11 4.435017880659901E-9 -4.269539607766198E-13
node -6.719326770723467E-15 2.170182574438454E-14 -1.335726574073683E-11 2.338484392170883E-8 -2.337894159941163E-8 -1.762834510221359E-10
peri 2.521204865793553E-13 -7.748357043352677E-13 4.435017880659901E-9 -2.337894159941163E-8 2.431876374861148E-8 1.761377205101161E-10
i -2.453136245208001E-16 7.342702547270236E-16 -4.269539607766198E-13 -1.762834510221359E-10 1.761377205101161E-10 1.801420833660424E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO347846  
diameter diameter 4.361 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46321 (2001 QO84)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QO84 = 1996 TH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 03:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin