Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
1633 Chimay (1929 EC)
Classification: Main-belt Asteroid          SPK-ID: 2001633
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237825200602632 3.063e-08  
a 3.192918130175023 1.3215e-08 au
q 2.797690677675856 9.4644e-08 au
i 2.676388657227951 3.5964e-06 deg
node 114.0777901050881 7.8161e-05 deg
peri 65.94781056314551 7.9842e-05 deg
M 49.67830467320535 1.5458e-05 deg
tp 2458712.929477102789
(2019-Aug-17.42947710)
8.9804e-05 TDB
period 2083.915482301746
5.71
1.2938e-05
3.542e-08
d
yr
n .1727517277247585 1.0725e-09 deg/d
Q 3.588145582674191 1.4851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3213  
   data-arc span      37817 days (103.54 yr)  
   first obs. used      1917-01-22  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:38:10  

Additional Information
 Earth MOID = 1.80242 au 
 Jupiter MOID = 1.37339 au 
 T_jup = 3.183 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.7   n/a MPO473786  
diameter diameter 37.428 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.5911 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Brinsfield, J.W. (2008) Minor Planet Bull. 35, 179-181.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.080   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1633 Chimay (1929 EC)          Discovered 1929-Mar-03 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 EC = 1941 KF = 1946 HC = 1948 RO = 1951 AM = 1952 HY3 = 1954 SS = 1955 XN = 1972 VM1 = A917 BB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-27 10:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin