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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07140982419113824 3.9709e-08  
a 1.911701437414846 4.5264e-09 au
q 1.775187173863106 7.5855e-08 au
i 26.9806427990367 4.9578e-06 deg
node 144.397010482244 9.2683e-06 deg
peri 121.9790606446843 3.347e-05 deg
M 43.59122651440773 3.2832e-05 deg
tp 2458883.597145714922
(2020-Feb-04.09714571)
8.7987e-05 TDB
period 965.4471990761332
2.64
3.4289e-06
9.388e-09
d
yr
n .3728841932987069 1.3243e-09 deg/d
Q 2.048215700966587 4.8497e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2290  
   data-arc span      35226 days (96.44 yr)  
   first obs. used      1924-02-23  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:26:38  

Additional Information
 Earth MOID = .808448 au 
 Jupiter MOID = 3.135 au 
 T_jup = 3.799 
[ 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 12.5   n/a MPO473776 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. 2019-August); 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.]
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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