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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08131182802275247 3.4588e-08  
a 3.222550852046573 1.8485e-08 au
q 2.960519351370388 1.1336e-07 au
i 7.785367548480664 4.1234e-06 deg
node 354.9101880292321 2.5677e-05 deg
peri 215.7085776597827 3.5251e-05 deg
M 246.3549746959941 2.545e-05 deg
tp 2459867.531010195966
(2022-Oct-15.03101020)
0.00015126 TDB
period 2112.993182307677
5.79
1.8181e-05
4.978e-08
d
yr
n .1703744257266514 1.4659e-09 deg/d
Q 3.484582352722759 1.9988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3747  
   data-arc span      25663 days (70.26 yr)  
   first obs. used      1950-12-09  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:23:55  

Additional Information
 Earth MOID = 1.95933 au 
 Jupiter MOID = 1.50757 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08384073914450611 3.4068e-08  
q 2.949026327310201 1.1171e-07 au
tp 2457765.235665133520
(2017-Jan-11.73566513)
0.000144 TDB
node 354.9703259791459 2.566e-05 deg
peri 217.5596085400841 3.5036e-05 deg
i 7.793284601579393 4.1257e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3747  
   data-arc span      25663 days (70.26 yr)  
   first obs. used      1950-12-09  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:23:55  

Additional Information
 Jupiter MOID = 1.50757 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.160608105512886E-15 -3.76216826721847E-15 -1.164039424925824E-12 -2.099158924850183E-15 -1.757802131545275E-13 -5.999442418611413E-17
q -3.76216826721847E-15 1.247841138758416E-14 4.270899381819433E-12 6.833206978056751E-15 6.345210669669531E-13 5.689402767902763E-16
tp -1.164039424925824E-12 4.270899381819433E-12 2.073512729945124E-8 5.085360098652476E-12 3.446040238095669E-9 2.364054576521342E-12
node -2.099158924850183E-15 6.833206978056751E-15 5.085360098652476E-12 6.584508224211239E-10 -6.513409694779098E-10 -7.084435150494499E-12
peri -1.757802131545275E-13 6.345210669669531E-13 3.446040238095669E-9 -6.513409694779098E-10 1.227518115087671E-9 7.37599682337579E-12
i -5.999442418611413E-17 5.689402767902763E-16 2.364054576521342E-12 -7.084435150494499E-12 7.37599682337579E-12 1.702152927353863E-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 11.79   n/a E2021B10  
diameter diameter 25.830 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.9974 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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 14:03 00:02 Jupiter 1.77335561369109 1.77335451933585 1.77335670804623 3.60375029182726 3.46867980961907 2416207.085741966 2.31791440637098 65.9728745806119 48.0835415591538 -75.2509598212825 2288398.29127727 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
1914-Aug-23 05:26 00:02 Jupiter 1.89725658278371 1.8972553688604 1.89725779670691 3.83419203771097 3.71593012431014 2420367.726149640 2.18289862578268 63.5496069902674 39.3777922880923 36.6447598407779 2156025.84735895 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2084-Aug-27 07:16 00:02 Jupiter 1.92039440453111 1.92039369550159 1.92039511356042 3.04230181102895 2.89369424796722 2482464.802602665 1.91630668841987 40.315256590375 23.8706318985973 -86.5195082463341 2071315.43599195 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2096-Jan-22 05:45 00:02 Jupiter 1.83851932869763 1.83851854854355 1.8385201088515 2.69115695451691 2.51414153032053 2486629.739519504 2.26354239984961 39.9676478736529 21.9838198640554 -67.4653652013358 2046014.71883737 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2107-Jun-29 01:59 00:03 Jupiter 1.76835395522036 1.7683531669528 1.76835474348781 2.54654606445441 2.35093989397803 2490804.582637690 2.60506963307078 47.1670177801823 23.8075288581799 -54.5321285987674 3090161.12236259 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2118-Dec-15 14:49 00:03 Jupiter 1.71854367883672 1.71854295451334 1.7185444031601 2.60159709269882 2.40469601151845 2494992.117236742 2.96586704267227 45.8853350023567 41.99559432105 -77.773219787839 3392810.12128876 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2130-Jun-10 23:47 00:03 Jupiter 1.68881926545871 1.68881868875794 1.68881984215995 2.78191649533787 2.59537378066538 2499187.490662506 3.40194964289376 98.4279049046396 29.3600722696341 73.1701810861449 3146678.8590911 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2141-Dec-05 11:31 00:04 Jupiter 1.68589339085428 1.68589300475739 1.68589377695117 3.04323996285994 2.87340812829232 2503382.979661418 3.95221790873154 200.607595771214 18.1507748847366 85.0417211930634 3408907.28407972 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2153-May-24 15:47 00:05 Jupiter 1.71150718904434 1.71150652768345 1.71150785041721 3.35511962437671 3.20422073125432 2507571.157391051 4.63707473379321 283.085045970361 15.7565467736152 -87.5713303302733 3620771.78626074 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2164-Oct-27 17:28 00:05 Jupiter 1.77459738362899 1.77459592580222 1.77459884146495 3.71094482492829 3.58001444155909 2511745.227598213 5.42521411849603 235.333516290027 25.7260877642557 -76.5434907956383 3227684.60736416 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2176-Mar-17 07:32 00:06 Jupiter 1.87190317670758 1.87190079323008 1.87190556018551 4.07802614449156 3.96551533188014 2515903.813654997 6.24609154620073 133.105348191077 52.855619102988 -38.6211798665478 1549378.68448548 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24
2187-Jul-20 16:31 00:07 Jupiter 1.99811439978836 1.99811125361645 1.99811754596039 4.44136430335604 4.34486996784451 2520046.188021102 6.99461174881084 158.85893784146 41.1584633869517 20.4207310481107 1329312.93691631 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 15:24:22 2021-Apr-12 15:24

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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