Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731593560125107 3.9369e-08  
a 2.552645686135666 1.0245e-08 au
q 1.855366634382734 9.9025e-08 au
i 15.17943124970726 3.8422e-06 deg
node 291.9882971941262 1.564e-05 deg
peri 217.4073502332702 1.733e-05 deg
M 131.1128723992416 9.9473e-06 deg
tp 2458457.965869331156
(2018-Dec-05.46586933)
4.0333e-05 TDB
period 1489.649974611596
4.08
8.9684e-06
2.455e-08
d
yr
n .2416675099087384 1.455e-09 deg/d
Q 3.249924737888598 1.3044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2067  
   data-arc span      31970 days (87.53 yr)  
   first obs. used      1933-01-25  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:30:44  

Additional Information
 Earth MOID = .889745 au 
 Jupiter MOID = 1.89665 au 
 T_jup = 3.339 
[ 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 12.4   n/a MPO473780 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. 2019-August); 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.]
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 00:02 Jupiter 1.9133428991001 1.9133423310144 1.91334346719885 3.97412827542134 3.86112814947449 2415947.989280520 1.55386700326797 275.096615483095 9.82249990327528 85.1026996464504 3432574.40246242 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
1914-Dec-09 00:55 00:01 Jupiter 1.89704368096659 1.89704312872141 1.89704423321273 3.48553787687554 3.35499361925639 2420475.538054458 1.39488175244224 158.966531456844 27.956606212687 -83.7793262517957 2761174.27561718 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
2032-Oct-26 18:46 < 00:01 Jupiter 1.98361026826182 1.98360989035271 1.98361064617262 4.08003482407264 3.97399837209805 2463532.281829576 0.29203216481545 114.181464965307 7.24223516660547 81.6779672504554 3721926.54240807 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
2045-Mar-20 11:59 < 00:01 Jupiter 1.89813293588954 1.89813256404937 1.89813330773057 3.60919487474856 3.48336159289877 2468059.999066860 0.486570934711456 107.481673266848 14.315391750956 83.832705698146 3015409.48603387 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
2057-Aug-21 00:01 < 00:01 Jupiter 1.96133599175156 1.96133543958172 1.96133654392139 2.88032885177772 2.72627481022559 2472596.500907355 0.776573774541285 108.518018938101 37.2081631388391 -88.254005569555 1993243.59990529 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
2175-Jun-29 07:52 00:02 Jupiter 1.92897050434936 1.92896966306017 1.92897134567111 3.73373672796886 3.61421885896465 2515641.827579855 2.25918755935801 421.433782784006 11.5311013854008 85.5181407366536 3023312.70798956 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31
2187-Nov-25 11:34 00:03 Jupiter 1.9147354584219 1.9147347747587 1.91473614209458 3.09084839076228 2.94424909603074 2520173.982221797 2.56777576787909 317.010235022864 31.3985971141387 -81.7890993236845 2191881.68803834 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:30:58 2020-Aug-24 22:31

Alternate Designations
 1933 BD = 1971 OQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 20:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin