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 ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113708102329108 3.0848e-08  
a 2.315686786862768 7.0353e-09 au
q 2.057786873164216 7.0761e-08 au
i 3.051777921932093 3.3459e-06 deg
node 159.8603829311681 5.8811e-05 deg
peri 1.63660869560108 6.0703e-05 deg
M 232.3472817861621 1.604e-05 deg
tp 2459656.900088054942
(2022-Mar-18.40008806)
5.8344e-05 TDB
period 1287.117375946078
3.52
5.8656e-06
1.606e-08
d
yr
n .2796947712211459 1.2746e-09 deg/d
Q 2.57358670056132 7.8188e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1885  
   data-arc span      22055 days (60.38 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:21  

Additional Information
 Earth MOID = 1.06572 au 
 Jupiter MOID = 2.39985 au 
 T_jup = 3.571 
[ 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 14.87   n/a E2021B10  
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 2021-Jun-25 08:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin