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 ]  
46447 (2208 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2553664306522181 2.5847e-08  
a 2.61896421198043 8.971e-09 au
q 1.950168669161088 6.6552e-08 au
i 4.514594766119567 3.9202e-06 deg
node 225.0296578840321 6.7092e-05 deg
peri 212.5908608827923 6.8127e-05 deg
M 29.92149950124524 1.1945e-05 deg
tp 2459071.831088766829
(2020-Aug-10.33108877)
5.1192e-05 TDB
period 1548.077764017608
4.24
7.9542e-06
2.178e-08
d
yr
n .2325464575278954 1.1948e-09 deg/d
Q 3.287759754799771 1.1262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      22092 days (60.48 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:52  

Additional Information
 Earth MOID = .966814 au 
 Jupiter MOID = 2.00019 au 
 T_jup = 3.354 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.80   n/a MPCxxxxx  

46447 (2208 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

Alternate Designations
 2208 P-L = 2146 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 03:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin