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18386 (1992 EL35)
Classification: Main-belt Asteroid          SPK-ID: 2018386
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605569579669921 2.9038e-08  
a 2.26748138426374 6.5208e-09 au
q 1.903421470959569 6.5407e-08 au
i 5.486080808950083 3.6517e-06 deg
node 175.6559423057764 3.5753e-05 deg
peri 114.8729678899152 3.7639e-05 deg
M 43.08514671884981 1.2126e-05 deg
tp 2459051.241491449459
(2020-Jul-20.74149145)
4.1814e-05 TDB
period 1247.136592775869
3.41
5.3797e-06
1.473e-08
d
yr
n .2886612437525503 1.2452e-09 deg/d
Q 2.63154129756791 7.5677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1777  
   data-arc span      10545 days (28.87 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:28:12  

Additional Information
 Earth MOID = .893372 au 
 Jupiter MOID = 2.54981 au 
 T_jup = 3.592 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.04   n/a MPCxxxxx  
diameter diameter 2.455 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.56847 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 0.267   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18386 (1992 EL35)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EL35 = 1993 RQ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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