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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213333248573743 3.3641e-08  
a 3.116554049031277 1.3173e-08 au
q 2.451689449395783 1.068e-07 au
i 12.10832676609462 3.9224e-06 deg
node 113.7677186764535 2.1464e-05 deg
peri 4.131385730230232 2.393e-05 deg
M 310.5791832752193 1.2426e-05 deg
tp 2459276.378489180225
(2021-Mar-02.87848918)
7.033e-05 TDB
period 2009.60369914489
5.50
1.2741e-05
3.488e-08
d
yr
n .1791397976392979 1.1358e-09 deg/d
Q 3.781418648666771 1.5983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2624  
   data-arc span      36441 days (99.77 yr)  
   first obs. used      1920-10-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:24:58  

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

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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 1.43732443989385 1.43732288012251 1.43732599970899 2.47473595726745 2.22389478326772 2416056.628309238 2.50204291002917 430.564030513713 24.5053867328054 78.4446546166417 2542159.58186874 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
1913-Feb-23 03:50 00:02 Jupiter 1.61367914367471 1.61367716087546 1.61368112647428 2.51429135080274 2.29605272257145 2419821.659683319 2.2957731223295 132.583125343313 94.4335390935606 62.2762841355848 2042326.49324929 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
1975-May-17 10:55 00:01 Jupiter 1.92077988365993 1.92077883668803 1.92078093063194 2.46013045242829 2.27382606280066 2442549.955073636 1.11266953497352 68.8694450026488 6.75611641417128 66.7827979962325 1778480.90324026 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
1985-Jun-08 19:37 < 00:01 Jupiter 1.35688138405319 1.35688100375823 1.35688176435162 2.5535803739924 2.29614644142865 2446225.317488660 0.621020417957199 139.533842133019 19.3607043942196 82.9036845527825 2622218.47526989 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
1995-Sep-08 21:55 < 00:01 Jupiter 1.86469269286638 1.86469201193221 1.86469337380182 2.56218986777306 2.37830445579972 2449969.413508182 0.476103005850195 174.379610596738 27.8473486958229 83.3825383875689 2664988.53515378 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
2057-Nov-06 06:05 00:01 Jupiter 1.68247830523554 1.68247748844405 1.68247912202809 1.9901708056821 1.7186928234009 2472673.753433635 1.07127742406418 91.8085913894245 55.0037352012639 58.281005411998 2064068.33863477 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
2068-Jan-20 08:50 00:01 Jupiter 1.39788959135352 1.39788902059203 1.39789016211541 2.59319759572647 2.34793841629822 2476400.867733076 1.07181112262097 140.608003553029 30.7150009702526 -87.7576806200702 2640523.10784493 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
2140-Apr-28 10:28 00:03 Jupiter 1.46186186616281 1.46186028182449 1.46186345053495 2.20597658384411 1.92548842306913 2502796.936317727 2.79478218421693 395.957106523451 50.306921662623 73.7277862854973 1928528.47245364 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25
2150-Aug-14 00:55 00:03 Jupiter 1.57298929034264 1.57298701105344 1.57299156963201 2.63733765776216 2.42458055833843 2506556.538130334 2.89281806579223 136.750965480673 100.843294316136 -60.054296679697 1750078.44515204 T 40 CATAB v2.0f-lin.ifort 2020-Aug-24 22:25:08 2020-Aug-24 22:25

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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