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237 Coelestina (A884 MA)
Classification: Main-belt Asteroid          SPK-ID: 2000237
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07109605487744118 3.7987e-08  
a 2.763688829007041 1.0304e-08 au
q 2.567201456355785 1.0375e-07 au
i 9.747403949877258 4.4562e-06 deg
node 84.24528491999209 2.4109e-05 deg
peri 200.0895983457781 3.953e-05 deg
M 192.8220669425792 3.223e-05 deg
tp 2459779.807026808766
(2022-Jul-19.30702681)
0.00015069 TDB
period 1678.155271573999
4.59
9.3853e-06
2.57e-08
d
yr
n .2145212699313238 1.1997e-09 deg/d
Q 2.960176201658296 1.1037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4023  
   data-arc span      49607 days (135.82 yr)  
   first obs. used      1884-06-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:01:43  

Additional Information
 Earth MOID = 1.553 au 
 Jupiter MOID = 2.14022 au 
 T_jup = 3.316 
[ 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 9.1   n/a MPO502155 IRAS observations used: 7
diameter diameter 41.08 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
rotation period rot_per 29.215 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2010) Minor Planet Bull. 37, 28-29.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.2108   0.016 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
B-V BV 0.787   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.86 deg.
U-B UB 0.413   0.061 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.86 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

237 Coelestina (A884 MA)          Discovered 1884-Jun-27 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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