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18543 (1997 AE)
Classification: Main-belt Asteroid          SPK-ID: 2018543
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244868876912596 4.2146e-08  
a 2.719609451753227 1.396e-08 au
q 2.381053735368735 1.1591e-07 au
i 7.466217174777309 4.7944e-06 deg
node 311.4119915743723 3.0414e-05 deg
peri 358.0408451846975 3.4898e-05 deg
M 148.669842530226 1.6802e-05 deg
tp 2457923.983146456021
(2017-Jun-19.48314646)
7.7189e-05 TDB
period 1638.167251211807
4.49
1.2613e-05
3.453e-08
d
yr
n .219757780979748 1.6921e-09 deg/d
Q 3.05816516813772 1.5698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1936  
   data-arc span      8374 days (22.93 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:29:05  

Additional Information
 Earth MOID = 1.36571 au 
 Jupiter MOID = 2.19202 au 
 T_jup = 3.336 
[ 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 13.3   n/a MPO337415  
diameter diameter 5.603 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.970 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.204   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18543 (1997 AE)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AE = 1998 FS110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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