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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176758389689034 1.4904e-08  
a 2.552287731756042 7.8385e-09 au
q 1.996716358456006 3.6194e-08 au
i 12.7248322824698 4.5537e-07 deg
node 218.6207264079651 5.8696e-07 deg
peri 122.7719916520779 4.8098e-06 deg
M 98.23515525113368 4.8675e-06 deg
tp 2458990.096619920951
(2020-May-20.59661992)
1.9742e-05 TDB
period 1489.336647908123
4.08
6.861e-06
1.878e-08
d
yr
n .2417183519291257 1.1135e-09 deg/d
Q 3.107859105056078 9.5448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2736  
   data-arc span      31689 days (86.76 yr)  
   first obs. used      1934-07-10  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:23:42  

Additional Information
 Earth MOID = 1.02131 au 
 Jupiter MOID = 2.46458 au 
 T_jup = 3.372 
[ 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 12.64   n/a MPCxxxxx 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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