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24609 Evgenij (1978 RA2)
Classification: Main-belt Asteroid          SPK-ID: 2024609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2482634270295336 3.2475e-08  
a 2.318613569506217 8.6504e-09 au
q 1.742986618783424 7.5931e-08 au
i 4.998651373719679 3.6198e-06 deg
node 1.297290070575688 4.1425e-05 deg
peri 31.20104856585025 4.195e-05 deg
M 327.9349014638161 6.8102e-06 deg
tp 2459315.360595815374
(2021-Apr-10.86059582)
2.4535e-05 TDB
period 1289.558316712277
3.53
7.2168e-06
1.976e-08
d
yr
n .2791653509069821 1.5623e-09 deg/d
Q 2.89424052022901 1.0798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      15464 days (42.34 yr)  
   first obs. used      1978-09-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50109  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:45:14  

Additional Information
 Earth MOID = .749785 au 
 Jupiter MOID = 2.5628 au 
 T_jup = 3.533 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.36   n/a E2021B10  

24609 Evgenij           Discovered 1978 Sept. 7 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Evgenij Borisovich Aleksandrov (b. 1936), senior scientific worker at the Ioffe Physical and Technical Institute and the State Optical Institute, is a prominent expert in the field of experimental physics. He opened up a new scientific field---the radio-optical spectroscopy of atoms.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1978 RA2 = 1985 QZ6 = 1999 RY47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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