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JPL Small-Body Database Browser
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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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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627664453456378 4.0202e-08  
a 2.766580421569268 1.3735e-08 au
q 2.316273960587602 1.1175e-07 au
i 7.750431422953448 4.312e-06 deg
node 269.1071678878528 3.54e-05 deg
peri 118.3407541804884 3.8074e-05 deg
M 261.2313817643783 1.5143e-05 deg
tp 2459061.636875902163
(2020-Jul-31.13687590)
7.2123e-05 TDB
period 1680.789691000314
4.60
1.2517e-05
3.427e-08
d
yr
n .2141850357171977 1.595e-09 deg/d
Q 3.216886882550933 1.5971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1897  
   data-arc span      31366 days (85.88 yr)  
   first obs. used      1933-12-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48605  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:28:46  

Additional Information
 Earth MOID = 1.33292 au 
 Jupiter MOID = 2.2706 au 
 T_jup = 3.307 
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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 11.6   n/a MPO435733  
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-January); 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

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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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