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660 Crescentia (1908 CC)
Classification: Main-belt Asteroid          SPK-ID: 2000660
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084550166159354 4.4933e-08  
a 2.532783264927307 8.5928e-09 au
q 2.258090213845053 1.1478e-07 au
i 15.20537740527186 3.822e-06 deg
node 156.9809127262272 1.9311e-05 deg
peri 106.0123275122994 2.4178e-05 deg
M 185.5074275834865 1.5683e-05 deg
tp 2458314.124765408161
(2018-Jul-14.62476541)
6.5136e-05 JED
period 1472.297141300125
4.03
7.4924e-06
2.051e-08
d
yr
n .2445158588585581 1.2443e-09 deg/d
Q 2.807476316009561 9.5247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      38987 days (106.74 yr)  
   first obs. used      1909-06-16  
   last obs. used      2016-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46614  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:26:18  

Additional Information
 Earth MOID = 1.29529 au 
 Jupiter MOID = 2.38743 au 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.14 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
diameter diameter 42.24 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 7.9116 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2009) Minor Planet Bul. 36, 109-116.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
[Stephens, R.D. (2014) Minor Planet Bul. 41, 226-230.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2015) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.2186   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
B-V BV .860 mag .016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=11.13, mean=16.71, max.=19.70) deg.
U-B UB .475 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=11.13, mean=16.71, max.=19.70) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

660 Crescentia (1908 CC)          Discovered 1908-Jan-08 by Metcalf, J. H. at Taunton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1908 CC = 1961 CF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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