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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08155064070111445 3.584e-08  
a 3.221766104318287 1.8947e-08 au
q 2.959029014321997 1.1636e-07 au
i 7.785619419603069 4.3698e-06 deg
node 354.9181229883469 2.5702e-05 deg
peri 215.7894989668432 3.5447e-05 deg
M 212.194564386799 2.5457e-05 deg
tp 2459867.716123787051
(2022-Oct-15.21612379)
0.00015159 TDB
period 2112.221402874137
5.78
1.8632e-05
5.101e-08
d
yr
n .1704366784230771 1.5035e-09 deg/d
Q 3.484503194314577 2.0492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3556  
   data-arc span      25531 days (69.90 yr)  
   first obs. used      1950-12-09  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:13:22  

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)  
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 1.77335557546406 1.77335445592115 1.77335669500686 3.60375060096457 3.46868012706518 2416207.085784159 2.42659145843656 67.010142693012 48.9663542896171 -73.3424908778042 2267763.49075932 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
1914-Aug-23 05:26 00:02 Jupiter 1.89725656641178 1.8972553219898 1.89725781083376 3.83419230247503 3.71593039580003 2420367.726176261 2.27715652439133 64.8870818827045 39.6382411898291 35.4222659345263 2127203.74375656 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2084-Aug-27 07:16 00:02 Jupiter 1.92039471815193 1.92039397764122 1.92039545866242 3.0423033124048 2.8936958504975 2482464.803070812 1.98946728057989 42.587179745313 24.9761186158184 -85.7881717319658 1986879.49160868 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2096-Jan-22 05:46 00:02 Jupiter 1.83851968305837 1.83851887495971 1.83852049115683 2.69115797862042 2.51414266083614 2486629.740053358 2.35396886470117 41.7676463220393 22.7851266595213 -67.1573878994646 1988866.32907644 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2107-Jun-29 02:00 00:03 Jupiter 1.7683543123008 1.76835350167156 1.76835512293004 2.54654640974649 2.35094030801561 2490804.583283802 2.71618855493016 48.3716466598448 24.6799947037457 -53.9027464448185 3073339.05014198 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2118-Dec-15 14:50 00:03 Jupiter 1.71854401478122 1.71854327542362 1.71854475413891 2.60159677991932 2.40469571206217 2494992.117950333 3.10244785581811 46.6295199415832 43.6602985177428 -87.8645463870918 3297233.22543027 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2130-Jun-10 23:48 00:04 Jupiter 1.68881951409335 1.68881893196754 1.68882009621965 2.78191570373382 2.59537295954768 2499187.491429279 3.5707233167068 103.220550666983 29.4507180177825 72.9967839572418 3074659.79286083 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2141-Dec-05 11:32 00:04 Jupiter 1.68589349172581 1.68589310138718 1.68589388206433 3.04323892986512 2.87340704373852 2503382.980488335 4.16071657833082 211.130846204363 18.2334630892162 85.1706769113251 3332402.28018434 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2153-May-24 15:48 00:05 Jupiter 1.71150709372395 1.71150638202613 1.71150780543554 3.35511850293563 3.20421954754504 2507571.158294147 4.89254841440707 297.994845885635 16.2691092883195 -87.4043745081272 3539311.85635427 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2164-Oct-27 17:29 00:06 Jupiter 1.77459701324811 1.77459545287357 1.77459857363283 3.71094352696686 3.58001306756476 2511745.228616365 5.73189573462291 247.383260595391 26.8869650390871 -76.223190162814 3139682.05773434 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2176-Mar-17 07:33 00:07 Jupiter 1.87190251041563 1.87189997254834 1.87190504828345 4.0780246455952 3.96551374921059 2515903.814810270 6.60343174883604 140.439243440562 54.1620316758061 -37.5616813779566 1479428.30475637 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13
2187-Jul-20 16:33 00:07 Jupiter 1.99811350345457 1.99811016415002 1.99811684275912 4.44136270204387 4.34486828666304 2520046.189298392 7.39585496800748 168.557569158245 41.241772686696 20.3351934560973 1292810.24455046 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:13:32 2020-Dec-18 02:13

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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