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 ]  
13315 Hilana (1998 RX71)
Classification: Main-belt Asteroid          SPK-ID: 2013315
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09137129677645731 5.5013e-08  
a 2.430361316147556 1.3379e-08 au
q 2.208296051055816 1.3454e-07 au
i 6.858738600638739 6.1618e-06 deg
node 18.50982712393693 4.4811e-05 deg
peri 105.8935525254744 5.9694e-05 deg
M 92.43281601063684 3.6185e-05 deg
tp 2457045.172863317853
(2015-Jan-22.67286332)
0.00013956 JED
period 1383.899947296343
3.79
1.1427e-05
3.129e-08
d
yr
n .2601344126815774 2.148e-09 deg/d
Q 2.652426581239296 1.4601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      16465 days (45.08 yr)  
   first obs. used      1970-04-10  
   last obs. used      2015-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51148  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:17:33  

Additional Information
 Earth MOID = 1.23505 au 
 Jupiter MOID = 2.39994 au 
 T_jup = 3.492 
[ 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 14.1 mag n/a MPO337371  

13315 Hilana           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Hilana Megan Lewkowitz-Shpuntoff (b. 1988) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her biochemistry, medicine, health, and microbiology project. She attends the Great Neck South Middle School, Great Neck, New York.
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 RX71 = 1970 GR = 1979 SG13 = 1981 EN48 = 1989 GZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-06 23:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin