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24121 Achandran (1999 VV33)
Classification: Main-belt Asteroid          SPK-ID: 2024121
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .001505696765840274 3.1509e-08  
a 2.86532594247987 1.4437e-08 au
q 2.8610116304752 9.0595e-08 au
i 1.546407794493928 5.1895e-06 deg
node 197.9451951385562 0.00013343 deg
peri 73.47786974519752 0.001904 deg
M 275.3374002935607 0.0019013 deg
tp 2459617.128115222001
(2022-Feb-06.62811522)
0.0093568 TDB
period 1771.574721305334
4.85
1.3389e-05
3.666e-08
d
yr
n .2032090409004844 1.5358e-09 deg/d
Q 2.86964025448454 1.4459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      10027 days (27.45 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:31:46  

Additional Information
 Earth MOID = 1.84327 au 
 Jupiter MOID = 2.08942 au 
 T_jup = 3.300 
[ 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 14.5   n/a MPO459028  
diameter diameter 3.497 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24121 Achandran           Discovered 1999 Nov. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Ashok Chandran (b. 1990) is a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors, for his medicine and health project. He attends the Smithtown High School East, Saint James, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080221/MPCPages.arcLast Updated: 2008-03-05

Alternate Designations
 1999 VV33 = 1998 QB21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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