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 ]  
129369 (4909 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2129369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897759688953493 4.511e-08  
a 2.381207888086131 8.6375e-09 au
q 1.929311853983337 1.0618e-07 au
i 1.859409287068282 5.3962e-06 deg
node 36.89788425282372 0.00011508 deg
peri 354.0270294612661 0.00011573 deg
M 67.93304346801959 1.0363e-05 deg
tp 2458747.236288653691
(2019-Sep-20.73628865)
3.8598e-05 TDB
period 1342.129417881788
3.67
7.3026e-06
1.999e-08
d
yr
n .2682304666029666 1.4595e-09 deg/d
Q 2.833103922188925 1.0277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      21671 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:04  

Additional Information
 Earth MOID = .934894 au 
 Jupiter MOID = 2.60651 au 
 T_jup = 3.513 
[ 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 17.2   n/a MPO449741  

129369 (4909 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 4909 P-L = 2004 PO110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 06:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin