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18997 Mizrahi (2000 RG54)
Classification: Main-belt Asteroid          SPK-ID: 2018997
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08760367762222625 2.6e-08  
a 2.563972260384519 1.0624e-08 au
q 2.339358861053463 6.7742e-08 au
i 2.821524002569415 3.1597e-06 deg
node 144.0114526642778 7.873e-05 deg
peri 169.0689533536721 8.324e-05 deg
M 64.75792158066055 2.6338e-05 deg
tp 2458930.751641224535
(2020-Mar-22.25164122)
0.00011035 TDB
period 1499.575755194843
4.11
9.3204e-06
2.552e-08
d
yr
n .240067898372513 1.4921e-09 deg/d
Q 2.788585659715575 1.1555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      10804 days (29.58 yr)  
   first obs. used      1991-08-07  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:54  

Additional Information
 Earth MOID = 1.32335 au 
 Jupiter MOID = 2.41164 au 
 T_jup = 3.426 
[ 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 14.6   n/a MPO474017  
diameter diameter 7.126 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.93845 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.050   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18997 Mizrahi           Discovered 2000 Sept. 1 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jonathan Albert Mizrahi (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his computer science project. He attends the Thomas Jefferson High School for Science and Technology, Alexandria, Virginia, 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

[ show close-approach data ]
Alternate Designations
 2000 RG54 = 1986 HD1 = 1991 PK29 = 1998 FB130 = 1999 NG29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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