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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054974183866897 1.4422e-08  
a 2.538580396017637 6.8381e-09 au
q 2.270766717870715 3.6092e-08 au
i 4.28610910493677 9.5452e-07 deg
node 351.6547940428086 1.3507e-05 deg
peri 106.7598755360187 1.667e-05 deg
M 239.7671371040439 1.2437e-05 deg
tp 2459693.907216718102
(2022-Apr-24.40721672)		 5.2024e-05 TDB
period 1477.354807497401
4.04		 5.9692e-06
1.634e-08		 d
yr
n .2436787684130059 9.8458e-10 deg/d
Q 2.806394074164558 7.5595e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3159  
   data-arc span      46725 days (127.93 yr)  
   first obs. used      1893-01-23  
   last obs. used      2020-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:02:46  

Additional Information
 Earth MOID = 1.29187 au 
 Jupiter MOID = 2.3201 au 
 T_jup = 3.435 
[ 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 10.22   n/a E2021B10  
diameter diameter 24.040 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.830 h n/a LCDB (Rev. 2020-October); 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, http://obswww.unige.ch/~behrend/page_cou.html]
[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] (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)

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

[ show close-approach data ]
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 ]
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