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JPL Small-Body Database Browser
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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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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190182189436577 3.7523e-08  
a 2.7503905635829 1.2316e-08 au
q 2.227315264395004 1.0328e-07 au
i 3.9811868514755 3.7781e-06 deg
node 66.81516433909539 5.9301e-05 deg
peri 61.39960090453884 6.0068e-05 deg
M 110.4532872570314 1.0752e-05 deg
tp 2458089.329095948633
(2017-Dec-01.82909595)
4.8948e-05 TDB
period 1666.057480301724
4.56
1.1191e-05
3.064e-08
d
yr
n .2160789794208083 1.4514e-09 deg/d
Q 3.273465862770797 1.4658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1886  
   data-arc span      18677 days (51.13 yr)  
   first obs. used      1968-03-27  
   last obs. used      2019-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:20:40  

Additional Information
 Earth MOID = 1.2461 au 
 Jupiter MOID = 1.80147 au 
 T_jup = 3.316 
[ 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-January); 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

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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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