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3660 Lazarev (1978 QX2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003660
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08155063976813171 3.5891e-08  
a 3.221766103869058 1.8967e-08 au
q 2.959029016915256 1.1648e-07 au
i 7.785619412874556 4.3799e-06 deg
node 354.9181229985431 2.5702e-05 deg
peri 215.7894993670452 3.5457e-05 deg
M 212.1945640933552 2.5464e-05 deg
tp 2459867.716125327387
(2022-Oct-15.21612533)
0.00015163 TDB
period 2112.221402432358
5.78
1.8653e-05
5.107e-08
d
yr
n .1704366784587245 1.5051e-09 deg/d
Q 3.484503190822862 2.0514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3544  
   data-arc span      25529 days (69.89 yr)  
   first obs. used      1950-12-09  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:58:22  

Additional Information
 Earth MOID = 1.95874 au 
 Jupiter MOID = 1.5089 au 
 T_jup = 3.169 
[ 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 11.7   n/a MPO350830  
diameter diameter 25.830 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3660 Lazarev (1978 QX2)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 QX2 = 1979 WR2 = 1982 GF = 1985 XM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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