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 ]  
46466 (6622 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046466
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 .1103359937207705 3.5451e-08  
a 2.316961265535766 7.8024e-09 au
q 2.061317041890343 8.0428e-08 au
i 3.049780318026432 3.7198e-06 deg
node 159.9078440843352 7.1796e-05 deg
peri 1.704674471737079 7.4037e-05 deg
M 64.53304840818076 1.7574e-05 deg
tp 2458369.582808407765
(2018-Sep-08.08280841)
6.2685e-05 TDB
period 1288.180103431568
3.53
6.507e-06
1.782e-08
d
yr
n .2794640276161697 1.4117e-09 deg/d
Q 2.572605489181188 8.6633e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      21514 days (58.90 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:34  

Additional Information
 Earth MOID = 1.06997 au 
 Jupiter MOID = 2.40302 au 
 T_jup = 3.570 
[ 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 MPO337630  
diameter diameter 6.367 km 1.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.040   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46466 (6622 P-L)          Discovered 1960-Sep-24 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
 6622 P-L = 1999 TT11 
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