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441724 (2009 BA52)
Classification: Main-belt Asteroid          SPK-ID: 2441724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134679625438535 2.283e-07  
a 2.530111400981349 2.0194e-08 au
q 2.189356945179413 5.8223e-07 au
i 13.78240733709666 2.3276e-05 deg
node 311.7111635994767 2.7115e-05 deg
peri 75.17960103104254 0.00026015 deg
M 21.83926873761868 0.00024107 deg
tp 2458911.324924859363
(2020-Mar-02.82492486)
0.00098412 TDB
period 1469.96803951274
4.02
1.7598e-05
4.818e-08
d
yr
n .2449032838287638 2.932e-09 deg/d
Q 2.870865856783284 2.2913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      8303 days (22.73 yr)  
   first obs. used      1997-02-03  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:04  

Additional Information
 Earth MOID = 1.23743 au 
 Jupiter MOID = 2.64825 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457319.5 (2015-Oct-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357685148659245 2.377e-07  
q 2.186774673644411 6.1017e-07 au
tp 2457438.229958175641
(2016-Feb-19.72995818)
0.00096136 TDB
node 311.8685027624493 2.7059e-05 deg
peri 74.38708470906548 0.00025619 deg
i 13.77968276584036 2.3275e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      8303 days (22.73 yr)  
   first obs. used      1997-02-03  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:04  

Additional Information
 Jupiter MOID = 2.64825 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.650334734110737E-14 -1.449836755666608E-13 -2.227706366926567E-10 -1.901286879559049E-13 -5.88754762145807E-11 -1.572709923998199E-12
q -1.449836755666608E-13 3.723026469630012E-13 5.713029974243835E-10 4.929489098872603E-13 1.509668443586836E-10 4.042620556857147E-12
tp -2.227706366926567E-10 5.713029974243835E-10 9.242118240129685E-7 8.279438001074485E-10 2.449356273337369E-7 6.486897904504932E-9
node -1.901286879559049E-13 4.929489098872603E-13 8.279438001074485E-10 7.321829797988892E-10 -4.902971520824048E-10 4.258013348331563E-10
peri -5.88754762145807E-11 1.509668443586836E-10 2.449356273337369E-7 -4.902971520824048E-10 6.563321553664553E-8 1.309484861644986E-9
i -1.572709923998199E-12 4.042620556857147E-12 6.486897904504932E-9 4.258013348331563E-10 1.309484861644986E-9 5.417375782448604E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO495189  

441724 (2009 BA52)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BA52 = 1997 CZ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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