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1019 Strackea (A924 ES)
Classification: Inner Main-belt Asteroid          SPK-ID: 2001019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07132066490592148 1.7825e-08  
a 1.9113617316382 4.0565e-09 au
q 1.77504214206203 3.3712e-08 au
i 26.982203325823 5.561e-07 deg
node 144.397951800268 1.9538e-06 deg
peri 121.8447760372938 8.3533e-06 deg
M 118.3199042824839 8.9862e-06 deg
tp 2458883.274518281454
(2020-Feb-03.77451828)
2.3686e-05 TDB
period 965.1898732611043
2.64
3.0726e-06
8.412e-09
d
yr
n .3729836066178995 1.1874e-09 deg/d
Q 2.04768132121437 4.3458e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2716  
   data-arc span      35442 days (97.03 yr)  
   first obs. used      1924-02-23  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .30841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:48:58  

Additional Information
 Earth MOID = .806527 au 
 Jupiter MOID = 3.13411 au 
 T_jup = 3.800 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.55   n/a E2021B10 IRAS observations used: 3
diameter diameter 7.169 km 0.263 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.044 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2009) Minor Planet Bull. 36, 172-176.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 142-149.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 144-155.]
[Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.]
[Stephens, R. D.; Warner, B. D. (2019) MPB 46, 298-301.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.305   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.953   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=9.27, mean=18.19, max.=24.73) deg.
U-B UB 0.513   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=9.27, mean=18.19, max.=24.73) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1019 Strackea (A924 ES)          Discovered 1924-Mar-03 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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