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1633 Chimay (1929 EC)
Classification: Outer 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239089792057158 1.8994e-08  
a 3.200915839109375 1.1364e-08 au
q 2.804293624961926 5.7624e-08 au
i 2.675884609268525 1.3959e-06 deg
node 114.0742961074423 8.9697e-06 deg
peri 67.1246000910872 1.1576e-05 deg
M 116.7479083233465 7.9735e-06 deg
tp 2458718.145956982790
(2019-Aug-22.64595698)
4.5221e-05 TDB
period 2091.750156326876
5.73
1.114e-05
3.05e-08
d
yr
n .1721046841617843 9.1654e-10 deg/d
Q 3.597538053256825 1.2772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3469  
   data-arc span      38140 days (104.42 yr)  
   first obs. used      1917-01-22  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:36:08  

Additional Information
 Earth MOID = 1.80951 au 
 Jupiter MOID = 1.36152 au 
 T_jup = 3.180 
[ 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 10.74   n/a MPO614063  
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. 2020-October); 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 ]
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