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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09615139676418845 3.6012e-08  
a 2.263909735682686 5.5297e-09 au
q 2.046231652448751 8.1418e-08 au
i 6.285082332640534 4.2066e-06 deg
node 8.17140942174221 3.0899e-05 deg
peri 135.2577718536784 3.6532e-05 deg
M 138.7719194102092 2.0073e-05 deg
tp 2458120.892261332696
(2018-Jan-02.39226133)
6.9017e-05 TDB
period 1244.191091786016
3.41
4.5585e-06
1.248e-08
d
yr
n .2893446210768362 1.0601e-09 deg/d
Q 2.481587818916621 6.0614e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2616  
   data-arc span      46647 days (127.71 yr)  
   first obs. used      1892-03-19  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:40:37  

Additional Information
 Earth MOID = 1.06356 au 
 Jupiter MOID = 2.51918 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456054.5 (2012-May-07.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09581930900525548 3.5959e-08  
q 2.046960677303974 8.1226e-08 au
tp 2455632.972488009021
(2011-Mar-12.47248801)
6.8089e-05 TDB
node 8.262751359332444 3.0881e-05 deg
peri 135.3004871584963 3.6573e-05 deg
i 6.287441937905136 4.2072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2616  
   data-arc span      46647 days (127.71 yr)  
   first obs. used      1892-03-19  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:40:37  

Additional Information
 Jupiter MOID = 2.51918 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.293039427671872E-15 -2.915383567067998E-15 5.668219620341227E-13 -1.221033167132466E-15 1.683435528525567E-13 -3.246442494643657E-16
q -2.915383567067998E-15 6.597590020571049E-15 -1.260563562536415E-12 2.448939541191569E-15 -3.741542773912388E-13 7.239080894044053E-16
tp 5.668219620341227E-13 -1.260563562536415E-12 4.636179588184157E-9 -4.588522999008079E-12 1.343446842307426E-9 -1.076125524752135E-12
node -1.221033167132466E-15 2.448939541191569E-15 -4.588522999008079E-12 9.536260031432062E-10 -9.485043183107901E-10 -9.256453026820099E-12
peri 1.683435528525567E-13 -3.741542773912388E-13 1.343446842307426E-9 -9.485043183107901E-10 1.33758600737733E-9 8.882368895397039E-12
i -3.246442494643657E-16 7.239080894044053E-16 -1.076125524752135E-12 -9.256453026820099E-12 8.882368895397039E-12 1.770093447017076E-11

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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