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14807 (1981 EN26)
Classification: Main-belt Asteroid          SPK-ID: 2014807
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530879348499243 3.431e-08  
a 2.786353217480553 1.2746e-08 au
q 2.359796157654013 9.7765e-08 au
i 8.137021829499821 3.8567e-06 deg
node 186.1082572341012 2.1707e-05 deg
peri 359.234504888158 2.3895e-05 deg
M 193.1853343004888 1.1413e-05 deg
tp 2459987.698776121337
(2023-Feb-12.19877612)
5.6511e-05 TDB
period 1698.840795653805
4.65
1.1657e-05
3.192e-08
d
yr
n .2119092035704574 1.4541e-09 deg/d
Q 3.212910277307093 1.4698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      15494 days (42.42 yr)  
   first obs. used      1978-09-01  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:51  

Additional Information
 Earth MOID = 1.36101 au 
 Jupiter MOID = 1.74354 au 
 T_jup = 3.299 
[ 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 14.53   n/a E2020-QM5  
diameter diameter 6.298 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

14807 (1981 EN26)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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