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1036 Ganymed (A924 UB)
Classification: Amor [NEO]          SPK-ID: 2001036
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 925 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .533129232790272 1.1321e-08  
a 2.665548235434295 1.8591e-09 au
q 1.244466549711746 3.0461e-08 au
i 26.67564320070546 4.9457e-07 deg
node 215.5328165431079 1.1043e-06 deg
peri 132.3995837190134 1.1626e-06 deg
M 94.4909427169498 1.4796e-06 deg
tp 2458979.279223720400
(2020-May-09.77922372)
6.2285e-06 TDB
period 1589.564831738242
4.35
1.663e-06
4.553e-09
d
yr
n .2264770790168577 2.3694e-10 deg/d
Q 4.086629921156844 2.8503e-09 au
  Orbit Determination Parameters
   # obs. used (total)      7047  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      35273 days (96.57 yr)  
   first obs. used      1924-10-23  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-21 05:50:06  

Additional Information
 Earth MOID = .344347 au 
 Jupiter MOID = 1.95289 au 
 T_jup = 3.034 
[ 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 9.25   n/a MPCxxxxx IRAS observations used: 2
magnitude slope G 0.30   n/a PDS3 (MPC 17260) Fit
diameter diameter 37.675 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 10.297 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Lupishko, D.F.; Velichko, F.P.; Kazakov, V.V.; Shevchenko, V.G. (1987) Kin. Fiz. Neb. Tel 3(1), 92-93; Kinematics and Physics of Celestial Bodies 3(1), 102-104.]
[Lupishko, D.F.; Velichko, F.P.; Shevchenko, V.G. (1988) Astron. Vestn. 22, 167-173; Solar Sys. Res. 22, 107-111.]
[Hahn, G.; Magnusson, P.; Harris, A.W.; Young, J.W.; et al. (1989) Icarus 78, 363-381.]
[Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.]
[Gaftonyuk, N.M.; Krugly, Yu.N. (2004) Astronomical School Report 5, No. 1-2, 122-125 (in Russian).]
[Pilcher, F.; Benishek, V.; Briggs, J.W.; Ferrero, A.; et al. (2012) Minor Planet Bull. 39, 141-144.]
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Velichko, F.P.; Magnusson, P. (2012) Astronomicheskii Tsirkulyar 1575, 1-2.]
[Velichko, F.P.; Psarev, V.A.; Kiselev, N.N.; Zaitsev, S.V.; et al. (2013) LPSC 44, #2372.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2015) Icarus 256, 101-116.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]
[Viikinkoski, M.; Hanus, J.; Kaasalainen, M.; Marchis, F.; Durech, J. (2017) Astron. Astrophys. 607, A117.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 423-438.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.238   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
B-V BV 0.842   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=.00, mean=12.82, max.=24.42) deg.
U-B UB 0.417   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=.00, mean=12.82, max.=24.42) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1036 Ganymed (A924 UB)          Discovered 1924-Oct-23 by Baade, W. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A924 UB = 1952 BF = 1954 HH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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