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JPL Small-Body Database Browser
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859 Bouzareah (A916 TD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000859
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 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088909633954445 4.1475e-08  
a 3.225357809587723 1.59e-08 au
q 2.874145490406695 1.3536e-07 au
i 13.50325625586162 4.7677e-06 deg
node 35.70163207619839 1.5521e-05 deg
peri 21.42408696069653 2.3399e-05 deg
M 248.0738841467733 1.8096e-05 deg
tp 2459258.300516220806
(2021-Feb-12.80051622)
0.0001065 TDB
period 2115.754522832064
5.79
1.5645e-05
4.283e-08
d
yr
n .1701520644834158 1.2582e-09 deg/d
Q 3.576570128768751 1.7632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2341  
   data-arc span      37660 days (103.11 yr)  
   first obs. used      1916-09-21  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43016  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:58:32  

Additional Information
 Earth MOID = 1.88901 au 
 Jupiter MOID = 1.85907 au 
 T_jup = 3.135 
[ 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 9.7   n/a MPO347520  
diameter diameter 65.417 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 23.2 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) 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]
geometric albedo albedo 0.031   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

859 Bouzareah (A916 TD)          Discovered 1916-Oct-02 by Sy, F. at Algiers
Prediscovery observation Sept. 20 by F. Gonnessiat, Algiers.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A916 TD = 1928 YA = A916 UN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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