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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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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650069105534226 1.6036e-08  
a 2.241682321122563 5.6778e-09 au
q 1.871789246871903 3.6438e-08 au
i 4.043629747653736 7.11e-07 deg
node 252.1895402335252 3.1999e-06 deg
peri 24.90681499158317 6.8266e-06 deg
M 214.3255392710948 5.2476e-06 deg
tp 2459696.567123411977
(2022-Apr-27.06712341)
1.8758e-05 TDB
period 1225.912651639399
3.36
4.6575e-06
1.275e-08
d
yr
n .2936587688515785 1.1157e-09 deg/d
Q 2.611575395373222 6.6146e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3139  
   data-arc span      32820 days (89.86 yr)  
   first obs. used      1931-05-06  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:14:50  

Additional Information
 Earth MOID = .854478 au 
 Jupiter MOID = 2.50127 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 12.43   n/a E2021B10  
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 2.7294 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2013) 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.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Benishek, V.; Pravec, P.; Durkee, R.; Husarik, M.; et al. (2019) CBET 4689.]
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

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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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