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1482 Sebastiana (1938 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2001482
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0356654665018922 3.4865e-08  
a 2.872999038908198 1.1026e-08 au
q 2.770532187926049 9.8802e-08 au
i 2.972265287686718 3.9188e-06 deg
node 71.01945555578689 7.6731e-05 deg
peri 214.7081488831928 9.7965e-05 deg
M 203.3217815741076 6.2578e-05 deg
tp 2459774.619079894504
(2022-Jul-14.11907989)
0.00031031 TDB
period 1778.695670412135
4.87
1.0239e-05
2.803e-08
d
yr
n .2023955002468667 1.1651e-09 deg/d
Q 2.975465889890347 1.1419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2875  
   data-arc span      33644 days (92.11 yr)  
   first obs. used      1928-03-16  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:25:22  

Additional Information
 Earth MOID = 1.75476 au 
 Jupiter MOID = 2.06766 au 
 T_jup = 3.294 
[ 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 11.1   n/a MPO502167  
diameter diameter 17.186 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.489 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.217   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.880   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.02 deg.

1482 Sebastiana (1938 DA1)          Discovered 1938-Feb-20 by Reinmuth, K. at Heidelberg
Independent discovery Feb. 24 by Y. Vaisala, Turku, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 DA1 = 1928 FT = 1939 LG = 1948 GC = 1950 TU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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