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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625378297653774 3.9775e-08  
a 2.763938271522242 1.2849e-08 au
q 2.314693743263549 1.1062e-07 au
i 7.751493564154923 4.2554e-06 deg
node 269.1073496672092 3.5103e-05 deg
peri 118.6648081922389 3.7716e-05 deg
M 346.6523093616736 1.4881e-05 deg
tp 2459062.729250129722
(2020-Aug-01.22925013)
6.9545e-05 TDB
period 1678.382474821042
4.60
1.1704e-05
3.204e-08
d
yr
n .2144922301088643 1.4957e-09 deg/d
Q 3.213182799780936 1.4938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1981  
   data-arc span      31640 days (86.63 yr)  
   first obs. used      1933-12-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:07:09  

Additional Information
 Earth MOID = 1.33204 au 
 Jupiter MOID = 2.27402 au 
 T_jup = 3.308 
[ 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 MPO492795  
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. 2019-August); 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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