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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2743934746668056 3.8761e-08  
a 2.55051997495117 1.0052e-08 au
q 1.850673936817225 9.7153e-08 au
i 15.17639231077996 3.8001e-06 deg
node 291.9816424695699 1.3912e-05 deg
peri 217.443880430307 1.5456e-05 deg
M 179.3707768112129 9.6853e-06 deg
tp 2458459.205617959322
(2018-Dec-06.70561796)
3.8534e-05 TDB
period 1487.789606974381
4.07
8.7954e-06
2.408e-08
d
yr
n .2419696967315883 1.4305e-09 deg/d
Q 3.250366013085117 1.281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      32108 days (87.91 yr)  
   first obs. used      1933-01-25  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:53:49  

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

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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-Jul-17 11:45 00:02 Jupiter 1.91334285591849 1.9133423054758 1.91334340637392 3.97412809488753 3.86112796106957 2415947.989355710 1.51931658100249 269.697325189019 9.09584960748369 85.1223525983771 3454870.60140432 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
1914-Dec-09 00:55 00:01 Jupiter 1.89704366711448 1.89704313448859 1.89704419974154 3.48553775832876 3.35499349512514 2420475.538114722 1.36596936171745 154.810468897574 26.374320748413 -83.3409072548209 2767243.93693698 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
2032-Oct-26 18:46 < 00:01 Jupiter 1.98361029549813 1.98360993901814 1.98361065197981 4.08003481953195 3.97399836891159 2463532.281812862 0.274592981475968 110.232662367361 6.56750595637231 81.7876290232092 3782582.45503341 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
2045-Mar-20 11:59 < 00:01 Jupiter 1.89813291749655 1.89813256897948 1.89813326601459 3.60919494610621 3.48336166559279 2468059.999038142 0.465855569662732 104.686882722828 12.7175914765071 83.6956574396143 3021865.88275238 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
2057-Aug-21 00:01 < 00:01 Jupiter 1.96133591565191 1.96133542046103 1.96133641084291 2.8803291642576 2.72627513421665 2472596.500855791 0.744995068433254 106.953857288069 33.5321390858918 -87.9214086309516 2014826.86779511 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
2175-Jun-29 07:52 00:02 Jupiter 1.92897055646235 1.92896974217427 1.92897137078123 3.73373700203181 3.61421914537281 2515641.827455347 2.19102668428711 408.71972913674 10.4831885371291 85.5027065014961 3029333.72754606 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53
2187-Nov-25 11:34 00:02 Jupiter 1.91473537357792 1.91473473962017 1.91473600754492 3.09084884484413 2.94424956606442 2520173.982081790 2.48998376833884 308.901121448994 28.9612236650596 -81.9604076971828 2203423.75378979 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:53:55 2021-Feb-24 00:53

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