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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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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109157897796925 3.8245e-08  
a 2.369889552009137 7.8649e-09 au
q 1.870042425456488 9.1002e-08 au
i 5.723303374091375 4.5343e-06 deg
node 335.4122304656154 4.2249e-05 deg
peri 297.7098072168009 4.4085e-05 deg
M 184.9510033346007 1.6487e-05 deg
tp 2459248.459275917943
(2021-Feb-02.95927592)
6.2713e-05 TDB
period 1332.571701489606
3.65
6.6336e-06
1.816e-08
d
yr
n .2701543185988241 1.3448e-09 deg/d
Q 2.869736678561786 9.5238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2433  
   data-arc span      31577 days (86.45 yr)  
   first obs. used      1933-06-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45621  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:20:01  

Additional Information
 Earth MOID = .861709 au 
 Jupiter MOID = 2.28079 au 
 T_jup = 3.508 
[ 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. 2019-January); 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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