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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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08131183074418226 3.4955e-08  
a 3.222550857241423 1.862e-08 au
q 2.960519347372889 1.1427e-07 au
i 7.785367560938229 4.1936e-06 deg
node 354.9101884169268 2.5698e-05 deg
peri 215.708576428334 3.5324e-05 deg
M 246.3549748718843 2.5489e-05 deg
tp 2459867.531010776503
(2022-Oct-15.03101078)
0.00015146 TDB
period 2112.99318741699
5.79
1.8314e-05
5.014e-08
d
yr
n .1703744253146783 1.4767e-09 deg/d
Q 3.484582367109957 2.0135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3657  
   data-arc span      25607 days (70.11 yr)  
   first obs. used      1950-12-09  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:12:20  

Additional Information
 Earth MOID = 1.95933 au 
 Jupiter MOID = 1.50757 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 11.79   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 14:04 00:02 Jupiter 1.77335557833931 1.77335447718055 1.77335667949796 3.60375060936219 3.46868013601307 2416207.085777311 2.34724013642579 66.223283898463 48.3195655671001 -74.6911938481532 2281928.06060117 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
1914-Aug-23 05:26 00:02 Jupiter 1.89725656897974 1.89725534680176 1.89725779115773 3.83419228823688 3.71593038127136 2420367.726176359 2.20832885416508 63.9158173770225 39.4663193124427 36.32816096338 2148325.14673735 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2084-Aug-27 07:16 00:02 Jupiter 1.92039471754515 1.92039399993277 1.92039543515731 3.0423033337458 2.89369587288631 2482464.803074495 1.93621279617946 40.9600729976862 24.1770991290099 -86.265005551208 2047893.45859942 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2096-Jan-22 05:46 00:02 Jupiter 1.83851968270155 1.83851889497343 1.83852047042946 2.69115798550691 2.51414266817193 2486629.740056106 2.28814151162774 40.4348494847635 22.2012865367622 -67.3559439276573 2030164.65452879 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2107-Jun-29 02:00 00:03 Jupiter 1.76835431234497 1.7683535180468 1.76835510664314 2.54654640839999 2.35094030656217 2490804.583283646 2.63529654802565 47.4582808528575 24.0377210177719 -54.3229302829287 3084158.74264648 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2118-Dec-15 14:50 00:03 Jupiter 1.71854401504868 1.71854328667658 1.71854474342088 2.60159678010659 2.40469571229667 2494992.117951884 3.00302624866658 46.0303106041669 42.4679434734551 -79.9908385599719 3361570.30596896 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2130-Jun-10 23:48 00:03 Jupiter 1.68881951442653 1.68881893623329 1.68882009262025 2.78191571745421 2.59537297429235 2499187.491428825 3.44788153931767 99.7086845994452 29.3821501561776 73.1107490249063 3121379.07722881 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2141-Dec-05 11:32 00:04 Jupiter 1.68589349158228 1.68589310423466 1.68589387892989 3.04323895176509 2.873407066918 2503382.980487837 4.00897543848952 203.446946947585 18.1835917565072 85.0775165766184 3382344.84536206 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2153-May-24 15:48 00:05 Jupiter 1.71150709256208 1.71150641733984 1.71150776779678 3.35511845893211 3.20421950136437 2507571.158305111 4.70662463338775 287.112573634903 15.9099886409553 -87.5231452628249 3593827.30835206 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2164-Oct-27 17:29 00:06 Jupiter 1.77459701071127 1.7745955248553 1.77459849657662 3.71094348115062 3.58001301988231 2511745.228628501 5.50868397734143 238.576896558464 26.036978006887 -76.448800495948 3201507.43910324 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2176-Mar-17 07:33 00:06 Jupiter 1.87190250620838 1.87190008067491 1.87190493174238 4.07802464026802 3.96551374347581 2515903.814817059 6.34330221088004 135.081864661444 53.1758083939596 -38.3010599822094 1529599.99163765 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12
2187-Jul-20 16:33 00:07 Jupiter 1.99811349818393 1.99811029950615 1.99811669686181 4.44136271741581 4.34486830211901 2520046.189302367 7.10369323591539 161.497601055777 41.1782551038156 20.3979010373072 1319251.43789735 T 42 CATAB v2.0f-lin.ifort 2021-Feb-24 01:12:29 2021-Feb-24 01:12

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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