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72939 (2002 BA24)
Classification: Main-belt Asteroid          SPK-ID: 2072939
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728658229320042 5.202e-08  
a 2.54667975197514 1.2991e-08 au
q 1.851777885708171 1.3251e-07 au
i 11.1628355298516 4.8323e-06 deg
node 18.42298507372927 2.398e-05 deg
peri 234.949099357289 2.4552e-05 deg
M 138.0124553777204 7.8838e-06 deg
tp 2458631.416869873258
(2019-May-27.91686987)
3.0513e-05 TDB
period 1484.430707974344
4.06
1.1358e-05
3.11e-08
d
yr
n .2425172142196225 1.8557e-09 deg/d
Q 3.241581618242109 1.6536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      7813 days (21.39 yr)  
   first obs. used      1999-09-11  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:54  

Additional Information
 Earth MOID = .862597 au 
 Jupiter MOID = 1.90437 au 
 T_jup = 3.364 
[ 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 14.74   n/a MPCxxxxx  
diameter diameter 6.281 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 26.1746 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.085   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72939 (2002 BA24)          Discovered 2002-Jan-23 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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