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2439 Ulugbek (1977 QX2)
Classification: Main-belt Asteroid          SPK-ID: 2002439
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536130250407289 3.2154e-08  
a 3.143024152893294 1.4937e-08 au
q 2.660214704991281 9.8911e-08 au
i .2833139162860946 3.5497e-06 deg
node 114.5253240136009 0.0007854 deg
peri 335.056682921606 0.00078551 deg
M 182.4662875464821 1.4214e-05 deg
tp 2460004.187091135626
(2023-Feb-28.68709114)
8.4339e-05 TDB
period 2035.260502443606
5.57
1.4509e-05
3.972e-08
d
yr
n .176881534117019 1.2609e-09 deg/d
Q 3.625833600795306 1.7231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      24201 days (66.26 yr)  
   first obs. used      1954-07-03  
   last obs. used      2020-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:20  

Additional Information
 Earth MOID = 1.67674 au 
 Jupiter MOID = 1.57704 au 
 T_jup = 3.191 
[ 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 11.8   n/a MPO452196  
diameter diameter 21.457 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2439 Ulugbek (1977 QX2)          Discovered 1977-Aug-21 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 QX2 = 1952 DT2 = 1955 UD = 1972 TC4 = 1974 CM1 = 1979 BE = 1980 GN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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