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298 Baptistina (A890 RB)
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09647909376172027 3.4511e-08  
a 2.263320535333534 5.2101e-09 au
q 2.044957421192263 7.8353e-08 au
i 6.285743084735027 4.054e-06 deg
node 8.158752624574406 3.0418e-05 deg
peri 135.151623782185 3.5897e-05 deg
M 254.6813157077245 1.9472e-05 deg
tp 2459364.348381039220
(2021-May-29.84838104)
6.7536e-05 TDB
period 1243.705407585748
3.41
4.2945e-06
1.176e-08
d
yr
n .2894576141618807 9.9949e-10 deg/d
Q 2.481683649474805 5.7128e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2886  
   data-arc span      46992 days (128.66 yr)  
   first obs. used      1892-03-19  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:52:32  

Additional Information
 Earth MOID = 1.06187 au 
 Jupiter MOID = 2.51786 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. 2020-October); 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 (A890 RB)          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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