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98722 Elenaumberto (2000 YJ8)
Classification: Main-belt Asteroid          SPK-ID: 2098722
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956753830313767 1.1646e-07  
a 2.582874634890157 3.0762e-08 AU
q 2.077469651385999 3.0333e-07 AU
i 12.04271354171787 8.5337e-06 deg
node 278.3817569028528 4.987e-05 deg
peri 94.11302368514346 5.3904e-05 deg
M 195.0452078850818 2.0736e-05 deg
tp 2457695.229681298428
(2016-Nov-02.72968130)
9.1366e-05 JED
period 1516.189266530652
4.15
2.7087e-05
7.416e-08
d
yr
n .2374373753639299 4.2418e-09 deg/d
Q 3.088279618394316 3.6781e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      10660 days (29.19 yr)  
   first obs. used      1985-01-21  
   last obs. used      2014-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46301  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 17:03:29  

Additional Information
 Earth MOID = 1.11935 AU 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO251019  

98722 Elenaumberto           Discovered 2000 Dec. 22 by G. Masi at Ceccano.
Elena Persichilli (b. 1940) and Umberto Masi (b. 1926) are the parents of the discoverer, who expresses eternal gratitude to them. This citation celebrates the great importance they had in supporting him over the last 26 years, since the beginning of his interest in astronomy, up to his professional involvement with this science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

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Alternate Designations
 2000 YJ8 = 1996 XF18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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