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 ]  
39380 (2169 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05457666284830231 4.5012e-08  
a 2.35685062684204 1.0651e-08 au
q 2.228221584797072 1.0801e-07 au
i 6.710845517915272 5.1327e-06 deg
node 356.8537888057789 3.1514e-05 deg
peri 152.28336447377 5.2492e-05 deg
M 43.66671655933356 4.0979e-05 deg
tp 2458840.195929194112
(2019-Dec-22.69592919)
0.00015042 TDB
period 1321.589302729121
3.62
8.9587e-06
2.453e-08
d
yr
n .272399299280487 1.8465e-09 deg/d
Q 2.485479668887008 1.1232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      21678 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:44  

Additional Information
 Earth MOID = 1.24034 au 
 Jupiter MOID = 2.49486 au 
 T_jup = 3.543 
[ 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 15.8   n/a MPO452716  

39380 (2169 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2169 P-L = 2000 SB178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 03:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin