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19402 (1998 EG14)
Classification: Mars-crossing Asteroid          SPK-ID: 2019402
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2690977183305777 2.5407e-08  
a 2.241435100310467 4.9303e-09 au
q 1.638270029030851 5.7765e-08 au
i 3.314293468397691 2.7387e-06 deg
node 121.461609354854 6.6672e-05 deg
peri 318.0560070510257 6.7318e-05 deg
M 345.6296396322463 7.8889e-06 deg
tp 2459249.427478878713
(2021-Feb-03.92747888)
2.686e-05 TDB
period 1225.709860127187
3.36
4.0441e-06
1.107e-08
d
yr
n .2937073541716015 9.6906e-10 deg/d
Q 2.844600171590083 6.257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1870  
   data-arc span      20935 days (57.32 yr)  
   first obs. used      1963-11-19  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:34  

Additional Information
 Earth MOID = .655422 au 
 Jupiter MOID = 2.42063 au 
 T_jup = 3.584 
[ 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 14.95   n/a E2021B10  
rotation period rot_per 2.825 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]

19402 (1998 EG14)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EG14 = 1963 WB = 1995 HZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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