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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366882662717679 3.87e-08  
a 2.413571041752115 1.1577e-08 au
q 2.083664200531274 9.2038e-08 au
i 5.804325442569827 5.3374e-06 deg
node 4.155122030791775 4.0811e-05 deg
peri 134.3455049417139 4.5084e-05 deg
M 91.61387439129457 1.9913e-05 deg
tp 2458251.964270290912
(2018-May-13.46427029)
7.4913e-05 TDB
period 1369.583630524795
3.75
9.8545e-06
2.698e-08
d
yr
n .2628536089191251 1.8913e-09 deg/d
Q 2.743477882972956 1.316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      13601 days (37.24 yr)  
   first obs. used      1981-02-12  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:28:55  

Additional Information
 Earth MOID = 1.10179 au 
 Jupiter MOID = 2.2792 au 
 T_jup = 3.498 
[ 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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