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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057561119239001 3.2974e-08  
a 2.75953692421865 6.2678e-09 au
q 2.191745335980982 9.0061e-08 au
i 4.338299007069188 3.7143e-06 deg
node 120.1037013202852 4.9718e-05 deg
peri 84.71138612532104 5.0542e-05 deg
M 117.0974637047569 1.0663e-05 deg
tp 2458455.874804395136
(2018-Dec-03.37480440)
4.8942e-05 TDB
period 1674.375039514937
4.58
5.7045e-06
1.562e-08
d
yr
n .2150055940300516 7.3252e-10 deg/d
Q 3.327328512456317 7.5574e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3238  
   data-arc span      47182 days (129.18 yr)  
   first obs. used      1891-08-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:31:17  

Additional Information
 Earth MOID = 1.19322 au 
 Jupiter MOID = 1.64526 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456208.5 (2012-Oct-08.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050636096947305 3.3347e-08  
q 2.198057121996147 9.1171e-08 au
tp 2456777.629083175706
(2014-Apr-30.12908318)
4.7326e-05 TDB
node 120.2059398274556 4.9895e-05 deg
peri 84.18570553985568 5.0692e-05 deg
i 4.328962425507891 3.7042e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3238  
   data-arc span      47182 days (129.18 yr)  
   first obs. used      1891-08-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:31:17  

Additional Information
 Jupiter MOID = 1.64526 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.111989921400695E-15 -3.035730581776403E-15 -1.010306169189208E-13 -5.269417949941446E-15 -2.157237805341329E-14 2.444381679422136E-16
q -3.035730581776403E-15 8.31222834350101E-15 3.513559705943341E-13 1.088494729447069E-14 7.514801036241444E-14 -1.262606417626346E-15
tp -1.010306169189208E-13 3.513559705943341E-13 2.239741377641117E-9 -1.910790654553693E-12 4.443743068257525E-10 -5.573156929761699E-13
node -5.269417949941446E-15 1.088494729447069E-14 -1.910790654553693E-12 2.489555781870928E-9 -2.482386368092483E-9 2.678092243330388E-11
peri -2.157237805341329E-14 7.514801036241444E-14 4.443743068257525E-10 -2.482386368092483E-9 2.569715224968694E-9 -2.684149041708266E-11
i 2.444381679422136E-16 -1.262606417626346E-15 -5.573156929761699E-13 2.678092243330388E-11 -2.684149041708266E-11 1.372102815351431E-11

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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