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3937 Bretagnon (1932 EO)
Classification: Main-belt Asteroid          SPK-ID: 2003937
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02599146374871485 3.7198e-08  
a 3.06432402531203 1.5287e-08 au
q 2.984677758493816 1.1422e-07 au
i 8.854198244234944 4.8854e-06 deg
node 357.390336077116 2.1697e-05 deg
peri 116.8986135861298 9.8981e-05 deg
M 271.2781313717609 9.8803e-05 deg
tp 2459879.368233771160
(2022-Oct-26.86823377)
0.00053928 TDB
period 1959.297824147593
5.36
1.4662e-05
4.014e-08
d
yr
n .1837392945386548 1.375e-09 deg/d
Q 3.143970292130243 1.5685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3302  
   data-arc span      32622 days (89.31 yr)  
   first obs. used      1932-03-14  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:37:56  

Additional Information
 Earth MOID = 2.01221 au 
 Jupiter MOID = 1.86254 au 
 T_jup = 3.214 
[ 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 11.89   n/a E2021B10  
diameter diameter 15.866 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.96595 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.145   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3937 Bretagnon (1932 EO)          Discovered 1932-Mar-14 by Reinmuth, K. at Heidelberg
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
1951-Mar-13 21:04 00:01 Jupiter 1.87649719361034 1.87649672528689 1.87649766193389 4.04484129149033 3.93166265839848 2433719.377930622 1.46008744318667 99.332845367271 19.2625957662547 85.8298398500855 3049641.71317972 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38
2010-Jan-22 12:00 < 00:01 Jupiter 1.89274132329879 1.89274086935074 1.89274177724683 3.98034203216534 3.86627737586486 2455218.999821306 0.192636482831048 60.3850652105008 18.9095981334856 83.9559169893817 3230592.21630287 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38
2059-Mar-05 02:43 00:01 Jupiter 1.97984417833455 1.97984379913115 1.97984455753805 3.98086977825019 3.8719089038712 2473157.613141535 1.03535338150445 46.7389469711811 15.3855668470805 -80.8406236907827 4011051.07797678 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38
2068-Dec-01 19:19 00:01 Jupiter 1.93950180158398 1.93950120998579 1.93950239318216 3.89702878930042 3.78330411120318 2476717.304822144 1.20284437809061 49.6164612873373 26.1273571359959 77.8565148541835 3332286.36773448 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38
2118-Jan-11 13:05 00:02 Jupiter 1.92080603058579 1.92080555632112 1.92080650485068 4.00259839279568 3.89086738728089 2494654.045034394 2.3471840411252 105.866271785873 20.447317336708 84.5942977329505 3649567.32555644 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38
2176-Nov-20 01:17 00:04 Jupiter 1.88530855647956 1.88530812093443 1.88530899202512 4.02365849227002 3.91040626048101 2516151.553641932 3.64065500008056 216.063903716638 18.7105158405624 88.3207835482638 3394415.77305952 T 36 CATAB v2.0g-lin.ifort 2021-Jul-09 09:38:40 2021-Jul-09 09:38

Alternate Designations
 1932 EO = 1972 RP = 1975 EJ1 = 1978 TR5 = 1978 WL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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