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288 Glauke (A890 DA)
Classification: Main-belt Asteroid          SPK-ID: 2000288
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057561010557775 3.3673e-08  
a 2.759536926248556 6.404e-09 au
q 2.191745367584208 9.2227e-08 au
i 4.33830056837032 4.3021e-06 deg
node 120.1036890965349 5.2211e-05 deg
peri 84.7113900604211 5.3246e-05 deg
M 117.097469365445 1.1261e-05 deg
tp 2458455.874777466102
(2018-Dec-03.37477747)
5.1889e-05 TDB
period 1674.375041362434
4.58
5.8285e-06
1.596e-08
d
yr
n .2150055937928154 7.4844e-10 deg/d
Q 3.327328484912904 7.7217e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2872  
   data-arc span      47037 days (128.78 yr)  
   first obs. used      1891-08-27  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:10:59  

Additional Information
 Earth MOID = 1.19322 au 
 Jupiter MOID = 1.64526 au 
 T_jup = 3.307 
[ 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 9.8   n/a MPO492752 IRAS observations used: 2
diameter diameter 28.981 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 1170. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Harris, A.W. (1983) Sky Telescope 65, 504.]
[Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
[Ostro, S.J.; Nolan, M.C.; Margot, J.-L.; Magri, C.; et al. (2001) Icarus 152, 201-204.]
[Pilcher, F. (2015) Minor Planet Bull. 42, 6-10.]
geometric albedo albedo 0.175   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.845   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.74, mean=14.23, max.=17.34) deg.
U-B UB 0.407   0.057 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.74, mean=14.23, max.=17.34) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
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)

288 Glauke (A890 DA)          Discovered 1890-Feb-20 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A890 DA = 1955 MO = 1959 GB = 1961 WF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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