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 ]  
26113 (1991 PL18)
Classification: Main-belt Asteroid          SPK-ID: 2026113
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 .1616394398307492 4.2465e-08  
a 2.252211069683322 7.6936e-09 au
q 1.888164933999097 9.4176e-08 au
i 3.937025605122767 4.0283e-06 deg
node 300.7700509634223 6.2535e-05 deg
peri 7.938519016078772 6.3949e-05 deg
M 204.3442388571695 1.506e-05 deg
tp 2459534.295316059871
(2021-Nov-15.79531606)
5.2809e-05 TDB
period 1234.559597220567
3.38
6.3259e-06
1.732e-08
d
yr
n .2916019613880839 1.4942e-09 deg/d
Q 2.616257205367547 8.9372e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      10406 days (28.49 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:38:51  

Additional Information
 Earth MOID = .87354 au 
 Jupiter MOID = 2.62397 au 
 T_jup = 3.606 
[ 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 15.6   n/a MPO351006  

26113 (1991 PL18)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL18 = 1998 SV142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 13:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin