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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237825206656274 3.0494e-08  
a 3.192918129981305 1.3192e-08 au
q 2.797690675573238 9.4127e-08 au
i 2.676388738049555 3.5885e-06 deg
node 114.0777929947641 7.7709e-05 deg
peri 65.94780772564673 7.9399e-05 deg
M 49.67830471781416 1.5451e-05 deg
tp 2458712.929476870735
(2019-Aug-17.42947687)
8.977e-05 TDB
period 2083.915482112096
5.71
1.2915e-05
3.536e-08
d
yr
n .1727517277404801 1.0706e-09 deg/d
Q 3.588145584389372 1.4825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3293  
   data-arc span      37883 days (103.72 yr)  
   first obs. used      1917-01-22  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:00  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Apr-28 02:36 00:02 Jupiter 1.4253981326888 1.42539749247089 1.42539877291052 1.21094119667986 0.52716894779636 2416232.608116627 1.54323782042729 1447.48568850069 222.761762716057 13.6814107500918 2161853.77585079 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
1914-Jan-24 13:18 00:01 Jupiter 1.77382076339794 1.77381983666125 1.77382169013421 2.36014191359924 2.14831185012899 2420157.054301981 1.40220767198592 44.0848309193658 12.7106267605502 -77.2212696222094 1655927.1512326 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2000-Sep-28 11:47 < 00:01 Jupiter 1.74131562012259 1.74131518240614 1.74131605783895 2.39465638177902 2.18209203887783 2451815.991212186 0.308493345298059 40.7592639240035 6.6965102751184 89.7628279607474 2685066.49648427 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2011-Jun-25 06:12 < 00:01 Jupiter 1.40892194360477 1.40892157917473 1.40892230803353 1.16670299706354 0.398530048688981 2455737.758624124 0.220620401071445 2267.05052752618 409.86237531606 -0.46052787546426 1829329.33727745 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2022-Apr-18 22:59 < 00:01 Jupiter 1.39083909703865 1.39083872363278 1.39083947045646 1.11563709084211 0.163229756100957 2459688.457883112 0.349332615648477 34016.1001482984 1015.16508015862 2.58940193783155 3018330.32629257 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2033-Jan-20 03:56 < 00:01 Jupiter 1.70286071817052 1.70286006277407 1.70286137356657 2.14117638119352 1.89468025842035 2463617.663738528 0.602616460536577 41.9267765225406 7.88543285918082 -89.500748722868 1970629.067759 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2119-Oct-06 04:41 00:02 Jupiter 1.82167476452064 1.82167334937126 1.82167617966919 2.69536164779643 2.51694977471411 2495286.695353445 1.79639453172697 41.5614980237264 31.2328404936963 -40.7169920060765 1002840.74781145 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2130-Jun-30 06:31 00:02 Jupiter 1.45331194448846 1.45331092741048 1.45331296156017 1.30043070830631 0.724896928447002 2499206.771266820 1.9231173861259 811.590929192181 182.773715554069 -0.727424617938987 852045.109043567 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2141-Apr-23 05:45 00:02 Jupiter 1.36280806898178 1.36280757273831 1.36280856522672 1.03055786447808 n/a 2503156.739350609 2.06014927811915 102.977095413055 17.5043602583833 80.0746494672565 11473655.245621 F 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17
2152-Feb-01 18:21 00:03 Jupiter 1.62038553940349 1.62038380816682 1.62038727063869 1.87596432732001 1.572826803386 2507093.264874349 2.51243213785756 134.481633277744 22.5637257927529 67.4933752536252 1717678.8471724 T 43 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:10 2020-Nov-13 04:17

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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