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11719 Hicklen (1998 HT98)
Classification: Main-belt Asteroid          SPK-ID: 2011719
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03785959975471129 3.9884e-08  
a 2.771021456703622 1.2801e-08 au
q 2.666111693441106 1.1354e-07 au
i 1.864654954762607 3.9109e-06 deg
node 63.06898000118366 0.00012144 deg
peri 120.2882753107233 0.00013213 deg
M .9551678604529369 5.2555e-05 deg
tp 2459196.029712449677
(2020-Dec-12.52971245)
0.00024596 TDB
period 1684.838429711469
4.61
1.1675e-05
3.196e-08
d
yr
n .2136703399278769 1.4806e-09 deg/d
Q 2.875931219966139 1.3285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1696  
   data-arc span      11140 days (30.50 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:55:40  

Additional Information
 Earth MOID = 1.66728 au 
 Jupiter MOID = 2.07877 au 
 T_jup = 3.335 
[ 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 14.04   n/a E2021B10  
diameter diameter 4.948 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.553 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.199   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11719 Hicklen           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Rachel Scarlett Hicklen (b. 1984) is a finalist in the 2002 Intel International Science and Engineering Fair for her environmental science project. She attends the Blackman High School, Murfreesboro, Tennessee, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 HT98 = 1990 RT7 = 1994 NB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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