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1228 Scabiosa (1931 TU)
Classification: Main-belt Asteroid          SPK-ID: 2001228
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04173594598721652 3.2763e-08  
a 2.768924157691795 9.1026e-09 au
q 2.653360488603671 9.2497e-08 au
i 3.280504109015369 3.5445e-06 deg
node 307.9032428321587 5.9512e-05 deg
peri 208.720877329157 7.3309e-05 deg
M 299.8311312500085 4.3349e-05 deg
tp 2459281.777091663702
(2021-Mar-08.27709166)
0.00020291 TDB
period 1682.925989844987
4.61
8.2987e-06
2.272e-08
d
yr
n .2139131501755221 1.0548e-09 deg/d
Q 2.884487826779918 9.4825e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3388  
   data-arc span      32550 days (89.12 yr)  
   first obs. used      1931-10-05  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:17  

Additional Information
 Earth MOID = 1.66319 au 
 Jupiter MOID = 2.10115 au 
 T_jup = 3.335 
[ 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 11.5   n/a MPO452176  
diameter diameter 14.685 km 1.704 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.249   0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
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)

1228 Scabiosa (1931 TU)          Discovered 1931-Oct-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 TU = 1949 QO = 1949 QU1 = 1954 QP = 1954 TF = 1978 XL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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