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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380749691422526 3.5622e-08  
a 2.41155844068265 9.7499e-09 au
q 2.078582583400654 8.6432e-08 au
i 5.806985029536581 5.0295e-06 deg
node 4.049112094450583 2.9994e-05 deg
peri 134.5505173454839 3.4559e-05 deg
M 249.2548828347075 1.9783e-05 deg
tp 2459621.291733428501
(2022-Feb-10.79173343)
7.6731e-05 TDB
period 1367.870908549057
3.75
8.2954e-06
2.271e-08
d
yr
n .2631827300003501 1.5961e-09 deg/d
Q 2.744534297964646 1.1096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      14604 days (39.98 yr)  
   first obs. used      1981-02-12  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:53  

Additional Information
 Earth MOID = 1.09611 au 
 Jupiter MOID = 2.27587 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 14.58   n/a MPCxxxxx  

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

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