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JPL Small-Body Database Browser
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943 Begonia (A920 UA)
Classification: Main-belt Asteroid          SPK-ID: 2000943
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133332477185962 3.3676e-08  
a 3.116554048463509 1.3205e-08 au
q 2.451689451614249 1.0688e-07 au
i 12.10832650329018 3.9287e-06 deg
node 113.7677173744819 2.1474e-05 deg
peri 4.131386534370086 2.3947e-05 deg
M 310.5791838985738 1.2463e-05 deg
tp 2459276.378485625127
(2021-Mar-02.87848563)
7.054e-05 TDB
period 2009.603698595731
5.50
1.2772e-05
3.497e-08
d
yr
n .1791397976882509 1.1385e-09 deg/d
Q 3.781418645312769 1.6022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2599  
   data-arc span      36264 days (99.29 yr)  
   first obs. used      1920-10-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:41:00  

Additional Information
 Earth MOID = 1.4681 au 
 Jupiter MOID = 1.33502 au 
 T_jup = 3.148 
[ 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 9.8   n/a MPO502162 IRAS observations used: 11
diameter diameter 70.572 km 2.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.66 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) 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]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.044   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.783   0.033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.48 deg.
Tholen spectral type spec_T ST   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

943 Begonia (A920 UA)          Discovered 1920-Oct-20 by Reinmuth, K. at Heidelberg
Oct. 12 observation by A. Schwassmann, Bergedorf, was apparently a prediscovery.
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
1902-Nov-03 03:05 00:03 Jupiter 1.43732447486513 1.43732291008416 1.43732603969013 2.47473587104065 2.22389469376246 2416056.628337636 2.50884594921087 431.784729868853 24.5476298108943 78.4413254456 2537780.69775527 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
1913-Feb-23 03:50 00:02 Jupiter 1.61367910345866 1.61367711595625 1.61368109096144 2.51429132774615 2.29605269162593 2419821.659707985 2.30175521966099 132.699067921752 94.7347347939532 62.2738396451103 2039732.5515561 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
1975-May-17 10:55 00:01 Jupiter 1.92077989819383 1.92077884890658 1.92078094748109 2.46013060496421 2.27382622930196 2442549.955097922 1.115146993356 68.9482642631147 6.76006747838598 66.784933614863 1775413.20968142 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
1985-Jun-08 19:37 < 00:01 Jupiter 1.35688139180938 1.35688101068204 1.3568817729402 2.55358030205561 2.29614636298066 2446225.317495369 0.622364345242889 139.910836191108 19.389115673364 82.8996276649906 2617907.13026985 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
1995-Sep-08 21:55 < 00:01 Jupiter 1.86469267657304 1.86469199463807 1.86469335850929 2.56218986316045 2.37830444916161 2449969.413500089 0.476962221900949 174.5748405086 27.8920727953159 83.3877039860312 2663024.85046618 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
2057-Nov-06 06:05 00:01 Jupiter 1.68247830049523 1.68247748278207 1.68247911820943 1.99017074856788 1.71869275643985 2472673.753428184 1.07440266688593 92.0454955643298 55.0960134473364 58.2993054004157 2060235.19927905 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
2068-Jan-20 08:50 00:01 Jupiter 1.39788960016874 1.39788902722739 1.39789017311056 2.59319752547909 2.34793834034039 2476400.867733252 1.0750641748797 140.708037011226 30.8079099488677 -87.7425562992672 2636087.70348023 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
2140-Apr-28 10:28 00:03 Jupiter 1.46186185176057 1.46186026444879 1.46186343910641 2.20597659448502 1.92548843229548 2502796.936283572 2.80252193006273 396.990830180406 50.3976803703225 73.7318504563437 1924725.98227478 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41
2150-Aug-14 00:55 00:03 Jupiter 1.5729893193396 1.57298703336756 1.57299160531183 2.63733761084525 2.42458051139867 2506556.538109305 2.9010878003505 136.905158824891 101.137932164316 -59.9405751799637 1745096.56510566 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 15:41:11 2020-Feb-22 15:41

Alternate Designations
 A920 UA = 1944 DM = 1947 RC = 1977 FU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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