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 ]  
39385 (4017 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039385
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2589216411923036 4.8348e-08  
a 2.719802625210147 1.1393e-08 au
q 2.0155868657716 1.304e-07 au
i 13.1886193776013 4.453e-06 deg
node 359.3464517618443 1.7606e-05 deg
peri 23.69281177685231 1.9571e-05 deg
M 96.40883671299295 8.8025e-06 deg
tp 2458561.748260136069
(2019-Mar-19.24826014)
3.8682e-05 TDB
period 1638.34179247729
4.49
1.0294e-05
2.818e-08
d
yr
n .2197343690144498 1.3807e-09 deg/d
Q 3.424018384648694 1.4343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      25017 days (68.49 yr)  
   first obs. used      1951-08-08  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:45  

Additional Information
 Earth MOID = 1.02451 au 
 Jupiter MOID = 2.08261 au 
 T_jup = 3.273 
[ 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 14.5   n/a MPO449240  

39385 (4017 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
 4017 P-L = 1978 TG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 18:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin