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JPL Small-Body Database Browser
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298 Baptistina
Classification: Main-belt Asteroid          SPK-ID: 2000298
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09615139675499106 3.6013e-08  
a 2.26390973552642 5.5342e-09 au
q 2.046231652328332 8.1419e-08 au
i 6.285082342267263 4.2084e-06 deg
node 8.171409544287151 3.0937e-05 deg
peri 135.2577724160715 3.658e-05 deg
M 138.7719188852815 2.009e-05 deg
tp 2458120.892263196549
(2018-Jan-02.39226320)
6.9081e-05 TDB
period 1244.191091657196
3.41
4.5622e-06
1.249e-08
d
yr
n .2893446211067943 1.061e-09 deg/d
Q 2.481587818724507 6.0663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2600  
   data-arc span      46639 days (127.69 yr)  
   first obs. used      1892-03-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:04:45  

Additional Information
 Earth MOID = 1.06356 au 
 Jupiter MOID = 2.51918 au 
 T_jup = 3.604 
[ 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 11.2   n/a MPO347513  
diameter diameter 21.135 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 16.23 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Majaess, D.J.; Higgins, D.; Molnar, L.A.; Haegert, M.J.; et al. (2009) J. Roy. Astron. Soc. Canada 103, 7.]
[Warner, B.D. (2010) Minor Planet Bull. 37, 57-64.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.]
geometric albedo albedo 0.131   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

298 Baptistina          Discovered 1890-Sep-09 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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