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JPL Small-Body Database Browser
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237 Coelestina
Classification: Main-belt Asteroid          SPK-ID: 2000237
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07110741503641246 3.8051e-08  
a 2.763297120523354 1.0595e-08 au
q 2.566806205305376 1.04e-07 au
i 9.747882094622636 4.4663e-06 deg
node 84.2454820179872 2.565e-05 deg
peri 199.8595088104581 4.1802e-05 deg
M 107.2641786461452 3.3411e-05 deg
tp 2458100.589781177013
(2017-Dec-13.08978118)
0.00015573 TDB
period 1677.798506899236
4.59
9.6491e-06
2.642e-08
d
yr
n .2145668854273338 1.234e-09 deg/d
Q 2.959788035741331 1.1348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3821  
   data-arc span      49433 days (135.34 yr)  
   first obs. used      1884-06-27  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:51:07  

Additional Information
 Earth MOID = 1.552 au 
 Jupiter MOID = 2.13966 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 9.24   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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          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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