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JPL Small-Body Database Browser
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51826 Kalpanachawla (2001 OB34)
Classification: Main-belt Asteroid          SPK-ID: 2051826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08577719401025921 3.7493e-08  
a 3.074871846561834 1.7323e-08 au
q 2.811117967622616 1.1518e-07 au
i 9.587004150286603 4.5468e-06 deg
node 14.15073230301294 2.5019e-05 deg
peri 50.42399243282503 4.1764e-05 deg
M 72.81322216826545 3.0841e-05 deg
tp 2458602.166615477913
(2019-Apr-28.66661548)
0.00016898 TDB
period 1969.42278006274
5.39
1.6643e-05
4.557e-08
d
yr
n .1827946765135577 1.5447e-09 deg/d
Q 3.338625725501052 1.8809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      9508 days (26.03 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:14:24  

Additional Information
 Earth MOID = 1.83494 au 
 Jupiter MOID = 1.97903 au 
 T_jup = 3.203 
[ 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 14.1   n/a MPO365855  
diameter diameter 6.947 km 0.799 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51826 Kalpanachawla           Discovered 2001 July 19 at Palomar by the JPL Near-Earth Asteroid Tracking Program.
Kalpana Chawla (1961-2003) was a mission specialist on the space shuttle Columbia (STS-107).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 2001 OB34 = 1999 FB57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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