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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456921.5 (2014-Sep-21.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08386754157022878 3.5288e-08  
q 2.948632668757474 1.1451e-07 au
tp 2457765.680360866573
(2017-Jan-12.18036087)
0.0001455 TDB
node 354.9730222605126 2.5685e-05 deg
peri 217.6445054659875 3.5317e-05 deg
i 7.793368985193836 4.3821e-06 deg
  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
 Jupiter MOID = 1.5089 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245218387761429E-15 -3.994491848718279E-15 -1.352295309465926E-12 -2.741953997064627E-15 -2.144758420830284E-13 -1.949143590606607E-16
q -3.994491848718279E-15 1.311356311440083E-14 4.784242539555253E-12 8.592331363727861E-15 7.402726415410426E-13 1.037204720023354E-15
tp -1.352295309465926E-12 4.784242539555253E-12 2.1171542163635E-8 6.409493418622324E-12 3.536162780373234E-9 1.352669247090937E-12
node -2.741953997064627E-15 8.592331363727861E-15 6.409493418622324E-12 6.59702331412005E-10 -6.522991423089466E-10 -6.461573242286006E-12
peri -2.144758420830284E-13 7.402726415410426E-13 3.536162780373234E-9 -6.522991423089466E-10 1.247315357303382E-9 6.582034696956824E-12
i -1.949143590606607E-16 1.037204720023354E-15 1.352669247090937E-12 -6.461573242286006E-12 6.582034696956824E-12 1.920320694770436E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Apr-02 14:04 00:02 Jupiter 1.77335556708745 1.77335444649407 1.77335668768072 3.6037505950772 3.46868012029812 2416207.085799826 2.43109950856132 67.0656906075731 49.0047034495242 -73.2809553058984 2267011.43745226 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
1914-Aug-23 05:26 00:02 Jupiter 1.89725655675162 1.89725531105997 1.89725780244316 3.83419229395201 3.71593038639404 2420367.726190959 2.28107135521807 64.9434027502771 39.648351655624 35.3738018335728 2125911.40242416 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2084-Aug-27 07:16 00:02 Jupiter 1.9203947127372 1.92039397090717 1.92039545456712 3.04230328295474 2.89369581910523 2482464.803060949 1.99248059250492 42.6795232399786 25.0216009653494 -85.7629355703036 1983404.88005383 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2096-Jan-22 05:46 00:02 Jupiter 1.83851967827879 1.83851886899313 1.83852048756424 2.69115798667304 2.51414266897934 2486629.740048193 2.35768689292967 41.8521571315752 22.8184990283781 -67.1494182466122 1986529.57066403 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2107-Jun-29 02:00 00:03 Jupiter 1.76835430848335 1.76835349689284 1.76835512007385 2.54654641078864 2.35094030870464 2490804.583266936 2.72075120840292 48.43389157873 24.7179803603112 -53.888410357716 3072733.12313482 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2118-Dec-15 14:50 00:03 Jupiter 1.71854401223043 1.71854327221891 1.71854475224204 2.6015967905137 2.40469572321982 2494992.117939751 3.10805118641965 46.6777346941871 43.7242479744285 -88.3433238650345 3294043.70530985 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2130-Jun-10 23:48 00:04 Jupiter 1.68881951342626 1.68881893105585 1.68882009579716 2.78191570311555 2.59537295880864 2499187.491420114 3.5776438030858 103.423338409876 29.4576045113328 72.9935038565353 3072536.10584377 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2141-Dec-05 11:32 00:04 Jupiter 1.68589349407689 1.68589310355561 1.68589388459807 3.04323896275172 2.87340707881272 2503382.980470652 4.16926368558415 211.568027488595 18.2360623597202 85.1760505902339 3330086.28534917 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2153-May-24 15:48 00:05 Jupiter 1.71150710085144 1.71150638710444 1.71150781461226 3.35511855048668 3.20421959797866 2507571.158271483 4.90302092341582 298.61240272078 16.288281012418 -87.3980178201014 3536637.86828747 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2164-Oct-27 17:29 00:06 Jupiter 1.77459702694702 1.77459546238155 1.77459859152268 3.71094363295602 3.58001317845941 2511745.228581363 5.74447030954829 247.884909895815 26.9381591696345 -76.2116854906026 3136292.94293382 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2176-Mar-17 07:33 00:07 Jupiter 1.87190253090786 1.87189998671326 1.871905075103 4.07802468487076 3.96551379084966 2515903.814781767 6.61808942559462 140.744031967248 54.2292601572023 -37.5252978033053 1476606.68638596 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58
2187-Jul-20 16:33 00:07 Jupiter 1.99811352926692 1.99811018203595 1.99811687649801 4.44136280492576 4.3448683930902 2520046.189254527 7.41232161471631 168.955718371585 41.2502742167472 20.3321969303107 1291264.21578667 T 40 CATAB v2.0f-lin.ifort 2020-Nov-13 03:58:30 2020-Nov-13 03:58

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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