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24421 Djorgovski (2000 BQ33)
Classification: Main-belt Asteroid          SPK-ID: 2024421
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09585908646828394 4.1766e-08  
a 2.775986393890781 1.721e-08 au
q 2.509882874124025 1.2042e-07 au
i 5.354248098620695 4.5475e-06 deg
node 109.1918584685547 5.5208e-05 deg
peri 203.4998414108562 6.149e-05 deg
M 6.285975644839333 2.7411e-05 deg
tp 2459171.001860858873
(2020-Nov-17.50186086)
0.00012857 TDB
period 1689.368634370082
4.63
1.571e-05
4.301e-08
d
yr
n .2130973623375184 1.9817e-09 deg/d
Q 3.042089913657538 1.886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      10311 days (28.23 yr)  
   first obs. used      1992-06-01  
   last obs. used      2020-08-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:41:43  

Additional Information
 Earth MOID = 1.49465 au 
 Jupiter MOID = 2.17896 au 
 T_jup = 3.322 
[ 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 14.06   n/a MPCxxxxx  
diameter diameter 8.800 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24421 Djorgovski           Discovered 2000 Jan 30 by the Catalina Sky Survey.
Stanislav George Djorgovski (b. 1956) is a Professor of Astronomy at the California Institute of Technology. He has performed fundamental research in many topics, including high-z galaxies, globular clusters, quasars and galactic evolution. He has pioneered the use of advanced computing techniques for astronomical problems.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

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Alternate Designations
 2000 BQ33 = 1992 LE1 = 1997 NF8 = 1998 VT45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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