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2681 Ostrovskij (1975 VF2)
Classification: Main-belt Asteroid          SPK-ID: 2002681
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923267689115705 3.5542e-08  
a 2.746561929539978 1.1158e-08 au
q 2.218324548016025 9.9184e-08 au
i 3.975754772194497 2.8841e-06 deg
node 66.74449846450646 5.8206e-05 deg
peri 61.57806824133871 5.8768e-05 deg
M 196.7152183080281 1.0621e-05 deg
tp 2459754.594424807036
(2022-Jun-24.09442481)
5.1292e-05 TDB
period 1662.579881097886
4.55
1.0131e-05
2.774e-08
d
yr
n .2165309493353629 1.3194e-09 deg/d
Q 3.27479931106393 1.3304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2395  
   data-arc span      19210 days (52.59 yr)  
   first obs. used      1968-03-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:07:06  

Additional Information
 Earth MOID = 1.23673 au 
 Jupiter MOID = 1.79864 au 
 T_jup = 3.317 
[ 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 12.3   n/a MPO332842  
diameter diameter 13.297 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.2231 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Brincat, S.M.; Baldies, C. (2018) Minor Planet Bull. 45, 244-245.]
geometric albedo albedo 0.120   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2681 Ostrovskij (1975 VF2)          Discovered 1975-Nov-02 by Smirnova, T. 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
1938-Jul-02 00:59 00:01 Jupiter 1.80489288475774 1.80489256165521 1.80489320785985 1.47836610372369 1.11668327390781 2429081.541150142 1.38647833780918 130.997065023187 101.840496530069 -87.8036537342568 2049133.44727509 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
1997-Jul-30 11:47 < 00:01 Jupiter 1.81050238453637 1.81050207534372 1.81050269372872 1.4465606027572 1.07557463842443 2450659.990841886 0.337635983740452 118.10999528419 71.9464367056904 38.2307556190026 2433954.32556708 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
2056-Aug-26 18:47 < 00:01 Jupiter 1.83582315323167 1.83582279997015 1.83582350649298 1.49382532138319 1.1440029408793 2472237.282608930 0.747934273348349 103.566627021873 65.5804151538641 50.6860933627379 2485467.87575873 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
2093-Oct-26 22:23 00:01 Jupiter 1.94989014667116 1.94988947618688 1.94989081715544 2.39751286287762 2.20890876735305 2485812.432753952 1.41211850338551 68.7725191994338 7.1101682853106 89.3643077881965 1910995.84119432 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
2115-Sep-24 12:24 00:02 Jupiter 1.87951734612319 1.87951661292361 1.87951807932288 1.61708089815425 1.30905746704215 2493814.016733024 1.79950275000191 119.099213658276 42.9713042893112 63.2850723804196 2307886.59536432 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
2152-Nov-23 05:11 00:02 Jupiter 1.88488307376762 1.88488211615273 1.8848840313825 2.04446950452482 1.81138128948755 2507388.715652926 2.46885820922135 111.608765925419 21.9408126598295 -75.4663735368633 1462466.53816919 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07
2174-Oct-21 23:47 00:03 Jupiter 1.93838306569185 1.93838168297377 1.93838444840905 1.80902709468849 1.54875160393864 2515391.490707481 2.83757075391376 110.145233283803 23.5804038852137 68.7706889228183 1752094.77974606 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:07:13 2020-Nov-13 04:07

Alternate Designations
 1975 VF2 = 1968 FZ = 1972 AF = 1977 DV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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