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1279 Uganda (1933 LB)
Classification: Main-belt Asteroid          SPK-ID: 2001279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211046345269541 3.4088e-08  
a 2.369261340919384 7.1029e-09 au
q 1.869237393929936 8.2467e-08 au
i 5.724527158405135 4.4774e-06 deg
node 335.4064155905778 3.4815e-05 deg
peri 297.7930783937881 3.7098e-05 deg
M 292.9444316028599 1.6036e-05 deg
tp 2459248.613403643271
(2021-Feb-03.11340364)
5.9866e-05 TDB
period 1332.041878797754
3.65
5.9901e-06
1.64e-08
d
yr
n .2702617730944925 1.2153e-09 deg/d
Q 2.869285287908832 8.602e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2912  
   data-arc span      31823 days (87.13 yr)  
   first obs. used      1933-06-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:31:05  

Additional Information
 Earth MOID = .86139 au 
 Jupiter MOID = 2.28246 au 
 T_jup = 3.509 
[ 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 12.2   n/a MPO502165  
diameter diameter 6.804 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 23.2 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
geometric albedo albedo 0.321   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.760   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.71 deg.

1279 Uganda (1933 LB)          Discovered 1933-Jun-15 by Jackson, C. at Johannesburg (UO)
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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