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14811 (1981 ED43)
Classification: Main-belt Asteroid          SPK-ID: 2014811
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 .2173544688869621 2.8412e-08  
a 2.789529829413609 1.2029e-08 au
q 2.183213054897076 7.7517e-08 au
i 7.621552046492067 4.9485e-06 deg
node 10.02399437749522 2.493e-05 deg
peri 293.685060522033 2.7868e-05 deg
M 90.63101596781527 1.3525e-05 deg
tp 2458772.080441532144
(2019-Oct-15.58044153)
6.2703e-05 TDB
period 1701.746796076946
4.66
1.1007e-05
3.014e-08
d
yr
n .2115473352615745 1.3683e-09 deg/d
Q 3.395846603930142 1.4643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2020  
   data-arc span      24270 days (66.45 yr)  
   first obs. used      1954-09-22  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:39:58  

Additional Information
 Earth MOID = 1.18002 au 
 Jupiter MOID = 1.93159 au 
 T_jup = 3.282 
[ 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 13.87   n/a E2020-QM5  
diameter diameter 11.062 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.2867 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.045   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14811 (1981 ED43)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1981 ED43 = 1987 SW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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