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JPL Small-Body Database Browser
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14809 (1981 ES28)
Classification: Main-belt Asteroid          SPK-ID: 2014809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377902185876154 3.8486e-08  
a 2.412109829071202 1.163e-08 au
q 2.079744688466146 9.1399e-08 au
i 5.806056460795311 5.2091e-06 deg
node 4.052068892453049 4.0802e-05 deg
peri 134.5242593780201 4.4903e-05 deg
M 196.6351196177653 1.9938e-05 deg
tp 2459621.440865634263
(2022-Feb-10.94086563)
7.7673e-05 TDB
period 1368.340068595573
3.75
9.8961e-06
2.709e-08
d
yr
n .2630924930594878 1.9027e-09 deg/d
Q 2.744474969676259 1.3232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      14046 days (38.46 yr)  
   first obs. used      1981-02-12  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:35:01  

Additional Information
 Earth MOID = 1.09739 au 
 Jupiter MOID = 2.27668 au 
 T_jup = 3.499 
[ 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 14.5   n/a MPO337384  

14809 (1981 ES28)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 ES28 = 1998 VN27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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