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1250 Galanthus (1933 BD)
Classification: Main-belt Asteroid          SPK-ID: 2001250
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2743934309735459 2.078e-08  
a 2.550519967155429 9.7034e-09 au
q 1.850674042601115 5.2266e-08 au
i 15.17639124581492 4.8329e-07 deg
node 291.9816899794117 1.576e-06 deg
peri 217.4438322826633 2.0755e-06 deg
M 179.3707842696425 4.2184e-06 deg
tp 2458459.205590534189
(2018-Dec-06.70559053)
1.4177e-05 TDB
period 1487.78960015317
4.07
8.4904e-06
2.325e-08
d
yr
n .24196969784097 1.3808e-09 deg/d
Q 3.250365891709742 1.2366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2384  
   data-arc span      32108 days (87.91 yr)  
   first obs. used      1933-01-25  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:12:06  

Additional Information
 Earth MOID = .885039 au 
 Jupiter MOID = 1.89589 au 
 T_jup = 3.340 
[ 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 12.45   n/a E2021B10 IRAS observations used: 3
diameter diameter 20.062 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Binzel, R.P.; Mulholland, J.D. (1983) Icarus 56, 519-533.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.055   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1250 Galanthus (1933 BD)          Discovered 1933-Jan-25 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
1902-Jul-17 11:45 00:01 Jupiter 1.91334260171435 1.91334208776744 1.91334311567497 3.97412704943174 3.86112687041802 2415947.989735714 1.45179620766013 263.663682123199 4.11913822610347 85.1598428723843 24308802.1901519 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
1914-Dec-09 00:55 00:01 Jupiter 1.89704360953875 1.89704323851229 1.89704398056812 3.48553703334356 3.35499273862651 2420475.538433971 1.29666593164793 150.548777590919 11.8312116234826 -82.0031475602025 26113827.6532273 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
2032-Oct-26 18:46 < 00:01 Jupiter 1.98361035112485 1.98361010081187 1.98361060143885 4.0800346246021 3.97399817238737 2463532.281775643 0.256696444916721 73.7298176894044 1.08985361073052 81.0058368074301 25376441.7010807 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
2045-Mar-20 11:58 < 00:01 Jupiter 1.89813279450382 1.89813262131868 1.89813296768972 3.60919554844897 3.48336228210148 2468059.998955343 0.446631679053308 79.6383449510868 5.49569488740125 86.501841504445 25799757.950985 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
2057-Aug-21 00:01 < 00:01 Jupiter 1.96133557274225 1.96133526904923 1.96133587643572 2.88033133352893 2.72627739924735 2472596.500684094 0.715865880365959 80.0522878875792 16.4554611903967 -77.5534787944967 11210729.1379348 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
2175-Jun-29 07:51 00:02 Jupiter 1.92897056478489 1.92896984972623 1.92897127987183 3.73373784086435 3.61422001313987 2515641.827303370 2.11594810159071 379.069191560721 4.17208204516569 85.7465581675585 24139260.9099812 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13
2187-Nov-25 11:34 00:02 Jupiter 1.9147350792342 1.91473454674936 1.91473561173253 3.09085081165969 2.94425160854399 2520173.981901841 2.40685872235778 285.48369297152 12.3182363983642 -80.7893182367274 19173833.4142363 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 12:13:25 2021-Apr-12 12:13

Alternate Designations
 1933 BD = 1971 OQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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