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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08577719427079404 3.7298e-08  
a 3.074871846430634 1.7226e-08 au
q 2.811117966701559 1.1439e-07 au
i 9.587004507299893 4.5126e-06 deg
node 14.15073351287625 2.4941e-05 deg
peri 50.42399083980892 4.1699e-05 deg
M 72.81322258301793 3.0811e-05 deg
tp 2458602.166613234455
(2019-Apr-28.66661323)
0.00016883 TDB
period 1969.422779936692
5.39
1.6549e-05
4.531e-08
d
yr
n .182794676525257 1.536e-09 deg/d
Q 3.33862572615971 1.8703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1303  
   data-arc span      9552 days (26.15 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:20:33  

Additional Information
 Earth MOID = 1.83494 au 
 Jupiter MOID = 1.97903 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457054.5 (2015-Feb-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08472987208815816 3.6908e-08  
q 2.817099280599762 1.1336e-07 au
tp 2456640.903823537772
(2013-Dec-14.40382354)
0.00017415 TDB
node 14.18923848304127 2.4962e-05 deg
peri 51.97043451500904 4.2089e-05 deg
i 9.580949003501466 4.5094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1303  
   data-arc span      9552 days (26.15 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:20:33  

Additional Information
 Jupiter MOID = 1.97903 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.362204747996021E-15 -4.142213880702927E-15 -1.457744113235425E-12 8.091898768618462E-15 -3.333770405419458E-13 -1.139165316826133E-15
q -4.142213880702927E-15 1.284964691120141E-14 3.804084427333151E-12 -2.548136114853923E-14 9.023535605603718E-13 3.400688923484618E-15
tp -1.457744113235425E-12 3.804084427333151E-12 3.032864819010256E-8 -5.641722204934157E-11 5.918501036671873E-9 -1.171924207209145E-11
node 8.091898768618462E-15 -2.548136114853923E-14 -5.641722204934157E-11 6.231049496478649E-10 -6.251297747708282E-10 -2.085009412792771E-11
peri -3.333770405419458E-13 9.023535605603718E-13 5.918501036671873E-9 -6.251297747708282E-10 1.771467141266356E-9 1.836723889485768E-11
i -1.139165316826133E-15 3.400688923484618E-15 -1.171924207209145E-11 -2.085009412792771E-11 1.836723889485768E-11 2.033512951375767E-11

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

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