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2019 van Albada (1935 SX1)
Classification: Main-belt Asteroid          SPK-ID: 2002019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651114448951219 3.1323e-08  
a 2.241483412667238 6.1801e-09 au
q 1.871388847693302 7.0267e-08 au
i 4.044127448758708 3.9714e-06 deg
node 252.1931384578511 5.1245e-05 deg
peri 24.86971961356083 5.2802e-05 deg
M 155.6369339031712 1.35e-05 deg
tp 2458470.578077154811
(2018-Dec-18.07807715)
4.5456e-05 TDB
period 1225.749489147326
3.36
5.0694e-06
1.388e-08
d
yr
n .293697858483652 1.2147e-09 deg/d
Q 2.611577977641175 7.2005e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2652  
   data-arc span      32417 days (88.75 yr)  
   first obs. used      1931-05-06  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:10:36  

Additional Information
 Earth MOID = .85593 au 
 Jupiter MOID = 2.50211 au 
 T_jup = 3.613 
[ 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 12.3   n/a MPO347534  
diameter diameter 7.865 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.729 h n/a LCDB (Rev. 2019-August); 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:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Liu, J. (2015) Minor Planet Bull. 42, 247.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Tan, H.; Yeh, T.; Li, B.; Gao, X. (2018) Minor Planet Bull. 45, 57-59.]
geometric albedo albedo 0.496   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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)

2019 van Albada (1935 SX1)          Discovered 1935-Sep-28 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 SX1 = 1931 JN = 1941 HS = 1964 DG = 1971 HB = 1975 ND = 1975 PL = A911 KD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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