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1216 Askania (1932 BL)
Classification: Main-belt Asteroid          SPK-ID: 2001216
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794421695495353 3.2471e-08  
a 2.232023315052252 5.3806e-09 au
q 1.83150420891413 7.2502e-08 au
i 7.602144983995252 3.2664e-06 deg
node 121.5875270625188 3.2153e-05 deg
peri 144.5404162492509 3.4497e-05 deg
M 69.97701801814975 1.3913e-05 deg
tp 2458763.744842805551
(2019-Oct-07.24484281)
4.6885e-05 TDB
period 1217.997837059807
3.33
4.4042e-06
1.206e-08
d
yr
n .2955670273348138 1.0688e-09 deg/d
Q 2.632542421190374 6.3461e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2712  
   data-arc span      41749 days (114.30 yr)  
   first obs. used      1906-07-29  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:14  

Additional Information
 Earth MOID = .821448 au 
 Jupiter MOID = 2.47209 au 
 T_jup = 3.609 
[ 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 12.2   n/a MPO492764  
diameter diameter 10.533 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.536 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Menke, J.; Cooney, W.; Gross, J.; Terrell, D. (2008) Minor Planet Bull. 35, 155-160.]
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.903   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.60 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1216 Askania (1932 BL)          Discovered 1932-Jan-29 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1932 BL = 1952 DH = 1984 YY6 = A909 GF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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