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19464 Ciarabarr (1998 HZ29)
Classification: Main-belt Asteroid          SPK-ID: 2019464
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01015620866532207 3.148e-08  
a 2.655369753971029 1.1359e-08 au
q 2.628401264666114 8.0988e-08 au
i 3.297176626121398 3.8225e-06 deg
node 166.2018956935891 7.1752e-05 deg
peri 318.8898321598759 0.00024454 deg
M 159.1380783116369 0.0002343 deg
tp 2458501.853413227397
(2019-Jan-18.35341323)
0.0010273 TDB
period 1580.468822462494
4.33
1.0141e-05
2.776e-08
d
yr
n .227780513530847 1.4616e-09 deg/d
Q 2.682338243275943 1.1474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      10564 days (28.92 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:54:21  

Additional Information
 Earth MOID = 1.64202 au 
 Jupiter MOID = 2.28697 au 
 T_jup = 3.386 
[ 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 15.23   n/a E2021B10  
diameter diameter 5.330 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19464 Ciarabarr           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ciara Ann Barr (b. 1987) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her medicine and health team project. She attends the Fox Lane High School, Bedford, New York, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 HZ29 = 2000 VS13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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