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 ]  
46487 (3322 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046487
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 .03785637690475252 4.1294e-08  
a 2.602048541358388 1.5169e-08 au
q 2.503544411052264 1.0181e-07 au
i 14.31704940781734 5.0689e-06 deg
node 169.7865582669194 1.5247e-05 deg
peri 88.56283206695693 7.6891e-05 deg
M 45.8442604257404 7.3024e-05 deg
tp 2458405.266658182979
(2018-Oct-13.76665818)
0.0003114 TDB
period 1533.103651393292
4.20
1.3406e-05
3.67e-08
d
yr
n .234817782654702 2.0534e-09 deg/d
Q 2.700552671664513 1.5744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      16843 days (46.11 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:21  

Additional Information
 Earth MOID = 1.53888 au 
 Jupiter MOID = 2.33172 au 
 T_jup = 3.369 
[ 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 15.1   n/a MPO412495  
diameter diameter 2.464 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.383   0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46487 (3322 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3322 T-2 = 1998 QK33 
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