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 ]  
46320 (2001 QY74)
Classification: Main-belt Asteroid          SPK-ID: 2046320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201756954468512 4.1749e-08  
a 2.389680322233384 9.5375e-09 au
q 2.102498827613332 1.033e-07 au
i 5.57935664359683 5.0491e-06 deg
node 204.737235513129 4.1322e-05 deg
peri 215.1148660637877 4.6499e-05 deg
M 250.07971479245 2.3107e-05 deg
tp 2459012.486972893210
(2020-Jun-11.98697289)
8.7778e-05 TDB
period 1349.298811966405
3.69
8.0778e-06
2.212e-08
d
yr
n .2668052449222518 1.5973e-09 deg/d
Q 2.676861816853437 1.0684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      13585 days (37.19 yr)  
   first obs. used      1982-08-21  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:34  

Additional Information
 Earth MOID = 1.11693 au 
 Jupiter MOID = 2.63281 au 
 T_jup = 3.517 
[ 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 14.8   n/a MPO296481  
diameter diameter 2.324 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.623   0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46320 (2001 QY74)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin