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1424 Sundmania (1937 AJ)
Classification: Main-belt Asteroid          SPK-ID: 2001424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05665463111696287 1.5741e-08  
a 3.188028238416297 1.3342e-08 au
q 3.00741167457836 4.7062e-08 au
i 9.162213586724702 2.3301e-07 deg
node 42.91420416957428 1.253e-06 deg
peri 302.9668944830107 1.4475e-05 deg
M 42.21901779727208 1.2991e-05 deg
tp 2458956.669914518984
(2020-Apr-17.16991452)
7.4894e-05 TDB
period 2079.130101857492
5.69
1.3052e-05
3.573e-08
d
yr
n .1731493376380711 1.087e-09 deg/d
Q 3.368644802254233 1.4098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3471  
   data-arc span      37374 days (102.32 yr)  
   first obs. used      1918-11-22  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:28:43  

Additional Information
 Earth MOID = 2.01243 au 
 Jupiter MOID = 1.90275 au 
 T_jup = 3.175 
[ 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 9.95   n/a E2021B10  
diameter diameter 64.691 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 93.73 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D. (2012) Minor Planet Bull. 39, 226-228.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.030   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   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)

1424 Sundmania (1937 AJ)          Discovered 1937-Jan-09 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 AJ = 1929 SS = 1929 UB = 1931 AD = 1938 FP = A918 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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