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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599198927752193 4.2507e-08  
a 3.177104278152758 1.6946e-08 au
q 2.669022102654878 1.354e-07 au
i 14.51804490294203 4.9544e-06 deg
node 89.76612445853051 1.7121e-05 deg
peri 133.6102456193964 2.2045e-05 deg
M 267.563399864374 1.5889e-05 deg
tp 2459531.613198064339
(2021-Nov-13.11319806)
9.3566e-05 TDB
period 2068.452874971884
5.66
1.6549e-05
4.531e-08
d
yr
n .1740431238999793 1.3924e-09 deg/d
Q 3.685186453650637 1.9655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2353  
   data-arc span      38720 days (106.01 yr)  
   first obs. used      1914-04-21  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:12:42  

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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