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3724 Annenskij (1979 YN8)
Classification: Main-belt Asteroid          SPK-ID: 2003724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626884663963363 3.7694e-08  
a 2.764470427463182 1.0147e-08 au
q 2.314722973221173 1.0255e-07 au
i 7.751272396240036 4.0744e-06 deg
node 269.1092629903255 2.8055e-05 deg
peri 118.694771483935 3.0795e-05 deg
M 29.51926881866788 1.1475e-05 deg
tp 2459062.836297822771
(2020-Aug-01.33629782)
5.3515e-05 TDB
period 1678.867220195561
4.60
9.2432e-06
2.531e-08
d
yr
n .2144302989953344 1.1806e-09 deg/d
Q 3.214217881705192 1.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2431  
   data-arc span      31814 days (87.10 yr)  
   first obs. used      1933-12-15  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:12:45  

Additional Information
 Earth MOID = 1.33092 au 
 Jupiter MOID = 2.27395 au 
 T_jup = 3.307 
[ 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 11.76   n/a E2021B10  
diameter diameter 15.386 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.974 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.235   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3724 Annenskij (1979 YN8)          Discovered 1979-Dec-23 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 YN8 = 1933 XB = 1955 QQ = 1965 YM = 1969 RF2 = 1974 VM2 = 1980 AE = 1985 DF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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