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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176976266228962 3.0598e-08  
a 2.551760446926486 1.0079e-08 au
q 1.996248253920409 7.7961e-08 au
i 12.72627170382031 4.8688e-06 deg
node 218.6258902270932 1.5244e-05 deg
peri 122.6910438834493 2.028e-05 deg
M 2.560330117073613 1.5087e-05 deg
tp 2458989.911078148883
(2020-May-20.41107815)
6.2368e-05 TDB
period 1488.875141913073
4.08
8.8212e-06
2.415e-08
d
yr
n .2417932772639564 1.4326e-09 deg/d
Q 3.107272639932563 1.2273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      31116 days (85.19 yr)  
   first obs. used      1934-07-10  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:24  

Additional Information
 Earth MOID = 1.02167 au 
 Jupiter MOID = 2.4642 au 
 T_jup = 3.373 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456701.5 (2014-Feb-13.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181595781080718 3.0677e-08  
q 1.994929285014134 7.8305e-08 au
tp 2456014.463978523964
(2012-Mar-27.96397852)
5.772e-05 TDB
node 218.672329469634 1.5231e-05 deg
peri 123.0667683380002 2.0268e-05 deg
i 12.73209817492249 4.8713e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      31116 days (85.19 yr)  
   first obs. used      1934-07-10  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:24  

Additional Information
 Jupiter MOID = 2.4642 au 
 T_jup = 3.373 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.410771618618313E-16 -2.390365679658496E-15 4.043454141373397E-13 -1.289198571519203E-15 1.110595349093052E-13 2.711174702793002E-15
q -2.390365679658496E-15 6.131693435927769E-15 -9.842074342634745E-13 1.712048609402546E-15 -2.654887856738953E-13 -6.536842302828227E-15
tp 4.043454141373397E-13 -9.842074342634745E-13 3.331570818497588E-9 -2.483990725170055E-11 7.792299496308461E-10 4.319945247443752E-12
node -1.289198571519203E-15 1.712048609402546E-15 -2.483990725170055E-11 2.319703924496748E-10 -2.315004702347162E-10 9.721019217567111E-12
peri 1.110595349093052E-13 -2.654887856738953E-13 7.792299496308461E-10 -2.315004702347162E-10 4.10792339978334E-10 -8.359024278907321E-12
i 2.711174702793002E-15 -6.536842302828227E-15 4.319945247443752E-12 9.721019217567111E-12 -8.359024278907321E-12 2.372966677453882E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO492764 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. 2019-August); 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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