Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
13965 (1991 PL8)
Classification: Main-belt Asteroid          SPK-ID: 2013965
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588061788566864 4.8501e-08  
a 3.096317073458045 2.9159e-08 au
q 2.604602790493455 1.4994e-07 au
i 1.402094922843749 6.2982e-06 deg
node 31.01652003087821 0.00023114 deg
peri 256.3298556313975 0.00023203 deg
M 235.4309811123789 2.4036e-05 deg
tp 2458289.111246408501
(2018-Jun-19.61124641)
0.00013743 JED
period 1990.061822118879
5.45
2.8111e-05
7.696e-08
d
yr
n .1808989027369497 2.5553e-09 deg/d
Q 3.588031356422634 3.3789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      9007 days (24.66 yr)  
   first obs. used      1991-08-05  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:18:04  

Additional Information
 Earth MOID = 1.58842 au 
 Jupiter MOID = 1.57571 au 
 T_jup = 3.203 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO267762  

13965 (1991 PL8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL8 = 1991 RZ38 = 1995 DN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 12:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin