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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756672209181605 4.6927e-08  
a 2.407896313944988 1.2691e-08 AU
q 1.98490786021519 1.1659e-07 AU
i 1.246905390632386 6.3449e-06 deg
node 20.46812557636098 0.00022599 deg
peri 93.98270241401012 0.00022689 deg
M 53.10071987868036 1.9474e-05 deg
tp 2456799.195720431680
(2014-May-21.69572043)
7.3594e-05 JED
period 1364.756274682655
3.74
1.079e-05
2.954e-08
d
yr
n .2637833631383818 2.0854e-09 deg/d
Q 2.830884767674787 1.492e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      23060 days (63.13 yr)  
   first obs. used      1951-02-04  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:37:17  

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 ]
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