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 ]  
13281 Aliciahall (1998 QW45)
Classification: Main-belt Asteroid          SPK-ID: 2013281
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258406293127622 5.2604e-08  
a 2.25761058133479 1.3269e-08 AU
q 1.973511445036469 1.2191e-07 AU
i 2.436677082649545 5.681e-06 deg
node 232.4633829034439 0.00012555 deg
peri 20.85342001892704 0.00012788 deg
M 3.290869211075868 2.5653e-05 deg
tp 2456989.173907700523
(2014-Nov-27.67390770)
8.827e-05 JED
period 1239.001906878763
3.39
1.0923e-05
2.991e-08
d
yr
n .2905564535464644 2.5616e-09 deg/d
Q 2.541709717633111 1.4939e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      13570 days (37.15 yr)  
   first obs. used      1977-04-24  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56727  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:22:07  

Additional Information
 Earth MOID = .960779 AU 
 T_jup = 3.611 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a PDS3 (MPC 37562)  

13281 Aliciahall           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Alicia Esther Hall (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her botany and zoology project. She attends the Valley High School, Hoople, North Dakota.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 QW45 = 1977 HE1 = 1994 JC3 = 1997 ED44 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 15:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin