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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .273159362379011 3.8679e-08  
a 2.552645684491615 1.0058e-08 au
q 1.855366616936352 9.6955e-08 au
i 15.17943112767647 3.8023e-06 deg
node 291.9882992526591 1.393e-05 deg
peri 217.4073511408725 1.5507e-05 deg
M 131.1128703366311 9.6375e-06 deg
tp 2458457.965878390201
(2018-Dec-05.46587839)
3.8856e-05 TDB
period 1489.649973172466
4.08
8.804e-06
2.41e-08
d
yr
n .2416675101422101 1.4283e-09 deg/d
Q 3.249924752046879 1.2805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2289  
   data-arc span      32072 days (87.81 yr)  
   first obs. used      1933-01-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:23  

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. 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 00:02 Jupiter 1.9133428618468 1.91334231102061 1.91334341268561 3.97412810512359 3.86112797196045 2415947.989348743 1.52040158165761 269.832443548132 9.1130001835222 85.1229262368371 3452628.63431779 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
1914-Dec-09 00:55 00:01 Jupiter 1.89704367087914 1.89704313770848 1.89704420405088 3.48553780122707 3.35499353995674 2420475.538105701 1.36690697125302 154.900425850585 26.4026514986578 -83.3454898306079 2766598.87098259 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
2032-Oct-26 18:46 < 00:01 Jupiter 1.98361029244564 1.98360993524402 1.98361064964896 4.08003480740273 3.97399835629337 2463532.281817033 0.2750721094543 110.390640420248 6.58917516971897 81.7862803147689 3778769.84687698 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
2045-Mar-20 11:59 < 00:01 Jupiter 1.89813292113551 1.89813257203267 1.89813327023932 3.6091948779009 3.48336159516922 2468059.999046245 0.466432218851756 104.793069394663 12.7521937294035 83.7043015215626 3020720.65078832 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
2057-Aug-21 00:01 < 00:01 Jupiter 1.96133592757272 1.96133543096213 1.96133642418342 2.88032910379731 2.72627507130271 2472596.500863400 0.745854046586332 107.01110612766 33.6063086603958 -87.9113491953828 2014656.96861276 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
2175-Jun-29 07:52 00:02 Jupiter 1.92897054971418 1.92896973451591 1.92897136494337 3.73373708509086 3.61421923075349 2515641.827464383 2.19304402545706 409.136440116704 10.5051926351607 85.5028634426105 3028129.08671265 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59
2187-Nov-25 11:34 00:03 Jupiter 1.91473538693898 1.91473475177136 1.91473602211585 3.09084872340347 2.94424943962546 2520173.982104989 2.49226742105296 309.178627453692 29.001744265343 -81.9565881638918 2203375.24330053 T 35 CATAB v2.0f-lin.ifort 2020-Dec-18 01:59:29 2020-Dec-18 01:59

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 2021-Jan-17 09:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin