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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092211428388142 4.0861e-08  
a 3.223640527420622 1.5277e-08 au
q 2.871550824914224 1.3413e-07 au
i 13.50387503082313 4.7295e-06 deg
node 35.68329161754668 1.5494e-05 deg
peri 21.73969236222644 2.3316e-05 deg
M 315.9044246766219 1.8022e-05 deg
tp 2459259.446979772371
(2021-Feb-13.94697977)
0.00010591 TDB
period 2114.06500616924
5.79
1.5028e-05
4.114e-08
d
yr
n .1702880464647266 1.2105e-09 deg/d
Q 3.57573022992702 1.6945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2426  
   data-arc span      37886 days (103.73 yr)  
   first obs. used      1916-09-21  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:21:39  

Additional Information
 Earth MOID = 1.88705 au 
 Jupiter MOID = 1.86171 au 
 T_jup = 3.136 
[ 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-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1983-Oct-04 16:17 < 00:01 Jupiter 1.93518855102477 1.93518805623121 1.93518904581877 3.28345609286281 3.14733120998277 2445612.178523571 0.678100934438096 72.4696786177754 10.8465108511455 73.416155096727 3080970.81325881 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
1995-Jan-22 03:50 < 00:01 Jupiter 1.87766455922189 1.87766412515867 1.87766499328554 3.61991392283442 3.49307432675045 2449739.659498083 0.391035367613449 92.4046267440414 12.6861223638478 80.7174391399301 3221227.82454524 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2006-May-28 06:39 < 00:01 Jupiter 1.86534390197566 1.86534348483262 1.86534431911964 3.86373725411486 3.74436882470163 2453883.776852192 0.204649967100365 137.341718589219 13.8671254718039 84.5994710465307 3434964.92384521 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2017-Oct-06 03:33 < 00:01 Jupiter 1.90537644591425 1.90537602355773 1.90537686827218 4.03167323464069 3.91985998207077 2458032.647981490 0.252610683441397 182.774860637755 15.7788678312225 86.405811307209 3639625.56991825 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2029-Feb-06 03:50 < 00:01 Jupiter 1.99288357002728 1.99288310651111 1.99288403354425 4.1430520750198 4.03916245401819 2462173.659479649 0.462973039826537 179.494833786739 19.3625297451734 86.8071355168095 3792604.19918356 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2174-Mar-23 05:22 00:03 Jupiter 1.9800845409424 1.98008374711806 1.98008533476866 2.59441287853574 2.42392995256942 2515178.723747222 2.84735413696846 123.488566441213 9.32600776017949 68.1425956929334 3127020.32943255 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2185-Jun-11 14:51 00:03 Jupiter 1.91590551269883 1.91590479226929 1.91590623313207 3.0427311852676 2.89378858020562 2519277.118514930 2.7174887192518 164.459556733228 10.3463887447117 74.3510690204738 2673106.99464158 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21
2196-Sep-30 00:30 00:03 Jupiter 1.88191273149289 1.8819122303135 1.88191323267517 3.49358160587409 3.36228203730589 2523405.520891547 2.68065406517395 188.993120507288 13.5726537673085 82.6440190846224 3026164.7436895 T 77 CATAB v2.0f-lin.ifort 2020-Jun-23 15:21:57 2020-Jun-23 15:21

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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