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JPL Small-Body Database Browser
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565 Marbachia (A905 JE)
Classification: Main-belt Asteroid          SPK-ID: 2000565
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129382392755234 4.0084e-08  
a 2.442970995429215 7.1163e-09 au
q 2.126893562608948 9.8798e-08 au
i 10.99691749464666 4.1146e-06 deg
node 225.8097745287576 2.0817e-05 deg
peri 291.7288123427021 2.5707e-05 deg
M 10.89514085736762 1.4544e-05 deg
tp 2458558.290885461165
(2019-Mar-15.79088546)
5.6345e-05 TDB
period 1394.684238864619
3.82
6.094e-06
1.668e-08
d
yr
n .2581229427910276 1.1279e-09 deg/d
Q 2.759048428249483 8.037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2550  
   data-arc span      41639 days (114.00 yr)  
   first obs. used      1905-05-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:09:42  

Additional Information
 Earth MOID = 1.16243 au 
 Jupiter MOID = 2.30812 au 
 T_jup = 3.464 
[ 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 10.88   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 13
diameter diameter 27.332 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.587 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Koff, R.A.; Brincat, S.F. (2000) Minor Planet Bull. 27, 49-51.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Licchelli, D. (2006) Minor Planet Bull. 33, 11-13.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Aznar Macias, A. (2017) Minor Planet Bull. 44, 60-63.]
geometric albedo albedo 0.105   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.811   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.79, mean=13.09, max.=15.60) deg.
U-B UB 0.422   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.79, mean=13.09, max.=15.60) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

565 Marbachia (A905 JE)          Discovered 1905-May-09 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A905 JE = 1947 LE = 1949 WK = A912 DA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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