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21192 Seccisergio (1994 NA)
Classification: Main-belt Asteroid          SPK-ID: 2021192
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 .1102508716257682 3.3853e-08  
a 2.446595537617279 9.1217e-09 au
q 2.176856247079259 8.4446e-08 au
i 7.197701367387357 3.9581e-06 deg
node 113.142643904866 3.0649e-05 deg
peri 154.3159576292489 3.6837e-05 deg
M 345.0999439009256 2.2014e-05 deg
tp 2459258.353161734067
(2021-Feb-12.85316173)
8.5581e-05 TDB
period 1397.789248965179
3.83
7.8172e-06
2.14e-08
d
yr
n .2575495556762351 1.4403e-09 deg/d
Q 2.716334828155298 1.0127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1994-07-02  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:58:24  

Additional Information
 Earth MOID = 1.16139 au 
 Jupiter MOID = 2.36842 au 
 T_jup = 3.479 
[ 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 14.89   n/a E2021B10  

21192 Seccisergio           Discovered 1994 July 2 at Stroncone.
Sergio Secci (1956-1980) was a researcher and author who graduated with top honors at the University of Bologna.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

Alternate Designations
 1994 NA = 1998 QM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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