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14798 (1978 UW4)
Classification: Main-belt Asteroid          SPK-ID: 2014798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05317416029165934 1.6551e-08  
a 2.296923362148469 6.5599e-09 au
q 2.174786391111929 3.8572e-08 au
i 5.831789796613524 3.941e-07 deg
node 230.3252345589527 6.7036e-06 deg
peri 291.6505669033348 1.4251e-05 deg
M 261.803722181424 1.197e-05 deg
tp 2459547.325251246328
(2021-Nov-28.82525125)
4.2925e-05 TDB
period 1271.505328128219
3.48
5.447e-06
1.491e-08
d
yr
n .2831289747955326 1.2129e-09 deg/d
Q 2.419060333185008 6.9087e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2201  
   data-arc span      15478 days (42.38 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:38  

Additional Information
 Earth MOID = 1.18871 au 
 Jupiter MOID = 2.56827 au 
 T_jup = 3.585 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.11   n/a E2020-QM5  

14798 (1978 UW4)          Discovered 1978-Oct-27 by Olmstead, C. M. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1978 UW4 = 1999 XF23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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