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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03570385853210986 1.4825e-08  
a 2.871966604619597 9.1386e-09 au
q 2.769426315259315 4.6721e-08 au
i 2.972282679561459 8.4932e-07 deg
node 71.00929698756586 1.8962e-05 deg
peri 215.3599883242576 4.5121e-05 deg
M 282.8309977678733 4.1562e-05 deg
tp 2459777.572746005344
(2022-Jul-17.07274601)
0.00020585 TDB
period 1777.736974611435
4.87
8.4851e-06
2.323e-08
d
yr
n .2025046478423425 9.6655e-10 deg/d
Q 2.974506893979879 9.4649e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3468  
   data-arc span      34071 days (93.28 yr)  
   first obs. used      1928-03-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:26:20  

Additional Information
 Earth MOID = 1.7534 au 
 Jupiter MOID = 2.06746 au 
 T_jup = 3.295 
[ 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 11.09   n/a E2021B10  
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. 2020-October); 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

Alternate Designations
 1938 DA1 = 1928 FT = 1939 LG = 1948 GC = 1950 TU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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