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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793279982463211 1.7769e-08  
a 2.232110806377567 5.1178e-09 au
q 1.831830843605897 3.9529e-08 au
i 7.602137344633372 5.8243e-07 deg
node 121.5878643732464 2.8621e-06 deg
peri 144.5479266202601 3.4431e-06 deg
M 129.0928146895522 2.2975e-06 deg
tp 2458763.711071818373
(2019-Oct-07.21107182)
7.0614e-06 TDB
period 1218.069452769566
3.33
4.1892e-06
1.147e-08
d
yr
n .2955496496373468 1.0165e-09 deg/d
Q 2.632390769149239 6.0356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3046  
   data-arc span      41875 days (114.65 yr)  
   first obs. used      1906-07-29  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38853  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:17:39  

Additional Information
 Earth MOID = .81999 au 
 Jupiter MOID = 2.47127 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 12.21   n/a E2021B10  
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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