Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10814226957276 4.7283e-08  
a 2.53363507241404 9.1976e-09 AU
q 2.259642025414041 1.2146e-07 AU
i 15.2047550332542 4.0661e-06 deg
node 156.9823025908166 1.996e-05 deg
peri 106.1547273342128 2.5019e-05 deg
M 38.7088135994643 1.6037e-05 deg
tp 2456842.112143983278
(2014-Jul-03.61214398)
6.5456e-05 JED
period 1473.039932353003
4.03
8.0211e-06
2.196e-08
d
yr
n .2443925599660721 1.3308e-09 deg/d
Q 2.807628119414038 1.0192e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1477  
   data-arc span      38368 days (105.05 yr)  
   first obs. used      1909-06-16  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48978  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 13:53:08  

Additional Information
 Earth MOID = 1.29816 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 7.92 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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. 146, A56.]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-29 14:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin