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16798 (1997 EL50)
Classification: Main-belt Asteroid          SPK-ID: 2016798
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06961041501979505 4.5708e-08  
a 2.353175829773414 9.0961e-09 au
q 2.189370283648336 1.0551e-07 au
i 7.494745060622392 4.967e-06 deg
node 350.7586743349537 2.7374e-05 deg
peri 227.0548523454612 3.8682e-05 deg
M 175.9445206405269 2.7436e-05 deg
tp 2458556.103399131797
(2019-Mar-13.60339913)
0.00010028 TDB
period 1318.499578549071
3.61
7.6449e-06
2.093e-08
d
yr
n .2730376299370215 1.5831e-09 deg/d
Q 2.516981375898492 9.7293e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10689 days (29.26 yr)  
   first obs. used      1991-10-07  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:42:25  

Additional Information
 Earth MOID = 1.18989 au 
 Jupiter MOID = 2.46566 au 
 T_jup = 3.541 
[ 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 15.22   n/a E2021B10  

16798 (1997 EL50)          Discovered 1997-Mar-05 by Elst, E. W. at La Silla
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EL50 = 1998 RN19 = 1999 XF196 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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