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 ]  
9722 Levi-Montalcini (1981 EZ)
Classification: Main-belt Asteroid          SPK-ID: 2009722
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756672472828061 4.3113e-08  
a 2.407896308239373 1.2051e-08 AU
q 1.984907792028531 1.0632e-07 AU
i 1.246904175106112 6.3068e-06 deg
node 20.46822639243484 0.00021648 deg
peri 93.98261152556583 0.0002174 deg
M 53.10071444423849 1.9166e-05 deg
tp 2456799.195741749092
(2014-May-21.69574175)
7.2336e-05 JED
period 1364.756269831881
3.74
1.0246e-05
2.805e-08
d
yr
n .2637833640759511 1.9803e-09 deg/d
Q 2.830884824450214 1.4169e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      23430 days (64.15 yr)  
   first obs. used      1951-02-04  
   last obs. used      2015-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53986  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:35:52  

Additional Information
 Earth MOID = 1.00181 AU 
 T_jup = 3.500 
[ 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 14.8 mag n/a MPO279618  

9722 Levi-Montalcini           Discovered 1981 Mar. 4 by H. Debehogne and G. De Sanctis at the European Southern Observatory.
In 1952 Italian neurologist Rita Levi-Montalcini (b. 1909) discovered the Nerve Growth Factor, the protein responsible for the nervous system cell proliferation. Winner of the 1986 Nobel prize for Medicine, she promotes programs for educating women in developing countries.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-28 06:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin