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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09615139671145694 3.6018e-08  
a 2.263909735553429 5.5492e-09 au
q 2.046231652451302 8.1438e-08 au
i 6.285082400292692 4.2167e-06 deg
node 8.171410207806492 3.1058e-05 deg
peri 135.2577716078994 3.6739e-05 deg
M 138.7719190031432 2.0156e-05 deg
tp 2458120.892262780627
(2018-Jan-02.39226278)
6.9319e-05 TDB
period 1244.191091679461
3.41
4.5746e-06
1.252e-08
d
yr
n .2893446211016164 1.0638e-09 deg/d
Q 2.481587818655556 6.0828e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2556  
   data-arc span      46612 days (127.62 yr)  
   first obs. used      1892-03-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:51:54  

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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