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1168 Brandia (1930 QA)
Classification: Main-belt Asteroid          SPK-ID: 2001168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176609346439042 2.9329e-08  
a 2.551805086831374 8.0507e-09 au
q 1.996376806602588 7.3339e-08 au
i 12.72600113911668 4.6456e-06 deg
node 218.62571341692 1.1597e-05 deg
peri 122.7195465777482 1.6245e-05 deg
M 50.90105967746822 1.0795e-05 deg
tp 2458989.979691345082
(2020-May-20.47969135)
4.4616e-05 TDB
period 1488.914211138092
4.08
7.0461e-06
1.929e-08
d
yr
n .2417869325895038 1.1442e-09 deg/d
Q 3.10723336706016 9.803e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2518  
   data-arc span      31605 days (86.53 yr)  
   first obs. used      1934-07-10  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:53:12  

Additional Information
 Earth MOID = 1.02014 au 
 Jupiter MOID = 2.46493 au 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.63   n/a E2021B10 IRAS observations used: 3
diameter diameter 10.110 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.444 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Binzel, R.P.; Tholen, D.J. (1985) Minor Planet Bull. 12, 10.]
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.150   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.860   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.57 deg.
U-B UB 0.470   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.57 deg.

1168 Brandia (1930 QA)          Discovered 1930-Aug-25 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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