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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07110112561658702 9.7033e-09  
a 2.762952202936629 9.0759e-09 au
q 2.566503191283006 2.932e-08 au
i 9.746796292601525 5.1354e-07 deg
node 84.23560094330205 1.3368e-06 deg
peri 200.3782390828597 1.8375e-05 deg
M 277.4844116729945 2.1544e-05 deg
tp 2459780.996140324709
(2022-Jul-20.49614032)
0.0001011 TDB
period 1677.484379901028
4.59
8.2655e-06
2.263e-08
d
yr
n .2146070653851573 1.0574e-09 deg/d
Q 2.959401214590252 9.7212e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4647  
   data-arc span      50039 days (137.00 yr)  
   first obs. used      1884-06-27  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:45:24  

Additional Information
 Earth MOID = 1.55215 au 
 Jupiter MOID = 2.13946 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 9.18   n/a E2021B10 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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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