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JPL Small-Body Database Browser
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355 Gabriella (A893 BD)
Classification: Main-belt Asteroid          SPK-ID: 2000355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.

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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 .1053278874513595 3.9062e-08  
a 2.539952880698496 7.6737e-09 au
q 2.272425009548528 9.876e-08 au
i 4.282542837193206 3.9157e-06 deg
node 351.7063994414784 6.1104e-05 deg
peri 106.2758771711517 6.4509e-05 deg
M 191.5557426258492 2.0727e-05 deg
tp 2459692.316037704956
8.5349e-05 TDB
period 1478.553068274583
n .2434812843208304 1.1034e-09 deg/d
Q 2.807480751848463 8.482e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      46253 days (126.63 yr)  
   first obs. used      1893-01-23  
   last obs. used      2019-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43683  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:52:32  

Additional Information
 Earth MOID = 1.29373 au 
 Jupiter MOID = 2.32089 au 
 T_jup = 3.434 
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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 10.2   n/a MPO492753  
diameter diameter 24.040 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 4.830 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.]
[Behrend, R. (2005) Observatoire de Geneve web site,]
[Durech, J. (2006) IAU 2006, poster paper.]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.341   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
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)

355 Gabriella (A893 BD)          Discovered 1893-Jan-20 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A893 BD = 1931 OD = 1943 ME = A911 QH = A915 RM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Apr-05 06:06 UT
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