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JPL Small-Body Database Browser
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352 Gisela (A893 AB)
Classification: Main-belt Asteroid          SPK-ID: 2000352
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498289441658291 3.6399e-08  
a 2.193773695716095 4.4323e-09 au
q 1.865082899148183 8.0089e-08 au
i 3.38471187314026 3.3877e-06 deg
node 247.2797283552838 7.785e-05 deg
peri 144.6105936255555 7.9074e-05 deg
M 138.7483091171516 1.4673e-05 deg
tp 2458543.083988674906
(2019-Feb-28.58398867)
4.7929e-05 TDB
period 1186.823573741685
3.25
3.5968e-06
9.848e-09
d
yr
n .3033306785987003 9.1927e-10 deg/d
Q 2.522464492284006 5.0964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2871  
   data-arc span      46490 days (127.28 yr)  
   first obs. used      1893-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:04:06  

Additional Information
 Earth MOID = .872264 au 
 Jupiter MOID = 2.89967 au 
 T_jup = 3.654 
[ 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 10.1   n/a MPO502156 IRAS observations used: 6
diameter diameter 26.744 km 0.786 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.490 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Lazar, S.; Lazar, P.; Cooney, W.; Wefel, K. (2001) Minor Planet Bull. 28, 32-34.]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.195   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.904   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.41, mean=17.41, max.=25.92) deg.
U-B UB 0.539   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.41, mean=17.41, max.=25.92) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Sl   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)

352 Gisela (A893 AB)          Discovered 1893-Jan-12 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A893 AB = 1950 XT = A895 XA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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