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JPL Small-Body Database Browser
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786 Bredichina (A914 HD)
Classification: Main-belt Asteroid          SPK-ID: 2000786
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599198925476886 4.3298e-08  
a 3.177104278254867 1.7212e-08 au
q 2.669022103463547 1.3745e-07 au
i 14.51804493232426 4.9672e-06 deg
node 89.76612363988288 1.7682e-05 deg
peri 133.6102460473861 2.2493e-05 deg
M 267.5634001921006 1.5891e-05 deg
tp 2459531.613196206924
(2021-Nov-13.11319621)
9.3577e-05 TDB
period 2068.452875071601
5.66
1.6809e-05
4.602e-08
d
yr
n .1740431238915889 1.4143e-09 deg/d
Q 3.685186453046187 1.9964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2218  
   data-arc span      38610 days (105.71 yr)  
   first obs. used      1914-04-21  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:40:08  

Additional Information
 Earth MOID = 1.68156 au 
 Jupiter MOID = 1.45163 au 
 T_jup = 3.131 
[ 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 8.9   n/a MPO502160 IRAS observations used: 16
diameter diameter 108.309 km 0.868 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 29.434 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Garcer]
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.692   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.93, mean=11.09, max.=12.24) deg.
U-B UB 0.254   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.93, mean=11.09, max.=12.24) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

786 Bredichina (A914 HD)          Discovered 1914-Apr-20 by Kaiser, F. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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