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5154 Leonov (1969 TL1)
Classification: Main-belt Asteroid          SPK-ID: 2005154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040446838981915 3.3409e-08  
a 3.083038764494232 1.6381e-08 au
q 2.762264970796559 1.0238e-07 au
i 2.870927941584335 3.6054e-06 deg
node 72.27963798686729 8.4564e-05 deg
peri 228.3944801666391 8.6806e-05 deg
M 133.6367938880338 1.9901e-05 deg
tp 2457866.509477938029
(2017-Apr-23.00947794)
0.00010955 TDB
period 1977.274224071085
5.41
1.5758e-05
4.314e-08
d
yr
n .1820688276908715 1.451e-09 deg/d
Q 3.403812558191905 1.8085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2295  
   data-arc span      31947 days (87.47 yr)  
   first obs. used      1931-10-12  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:37:05  

Additional Information
 Earth MOID = 1.74702 au 
 Jupiter MOID = 1.78594 au 
 T_jup = 3.217 
[ 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 12.6   n/a MPO337296  
diameter diameter 14.424 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5154 Leonov (1969 TL1)          Discovered 1969-Oct-08 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1969 TL1 = 1931 TQ4 = 1978 GP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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