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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923267691101981 3.5464e-08  
a 2.746561929622124 1.1124e-08 au
q 2.218324547536829 9.9014e-08 au
i 3.97575459282332 2.8427e-06 deg
node 66.74449743802255 5.8142e-05 deg
peri 61.57806919210741 5.8701e-05 deg
M 196.7152183348068 1.062e-05 deg
tp 2459754.594424717195
(2022-Jun-24.09442472)
5.1289e-05 TDB
period 1662.579881172474
4.55
1.0101e-05
2.766e-08
d
yr
n .2165309493256487 1.3155e-09 deg/d
Q 3.274799311707419 1.3264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2421  
   data-arc span      19220 days (52.62 yr)  
   first obs. used      1968-03-27  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:07:43  

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. 2020-October); 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

[ show close-approach data ]
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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