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 ]  
14021 (1994 PL20)
Classification: Main-belt Asteroid          SPK-ID: 2014021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149548968222165 3.5394e-08  
a 2.405638615013152 8.4602e-09 au
q 2.129098676232775 8.375e-08 au
i 2.513889444388663 4.3461e-06 deg
node 166.1166253027381 7.3601e-05 deg
peri 330.1349325395146 7.6071e-05 deg
M 278.0759633903087 2.1016e-05 deg
tp 2459706.636476611930
(2022-May-07.13647661)
8.0452e-05 TDB
period 1362.837284400696
3.73
7.1893e-06
1.968e-08
d
yr
n .2641547924470741 1.3935e-09 deg/d
Q 2.682178553793528 9.4328e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:15:53  

Additional Information
 Earth MOID = 1.14386 au 
 Jupiter MOID = 2.3377 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 15.58   n/a MPCxxxxx  
rotation period rot_per 10.261 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

14021 (1994 PL20)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PL20 = 1995 YV9 = 1998 SW98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-31 11:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin