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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625378309800123 3.9847e-08  
a 2.763938270071642 1.3261e-08 au
q 2.314693738691549 1.1101e-07 au
i 7.751493072563115 4.3067e-06 deg
node 269.1073475007839 3.5221e-05 deg
peri 118.6648088076272 3.7933e-05 deg
M 346.6523114619503 1.547e-05 deg
tp 2459062.729240288878
(2020-Aug-01.22924029)
7.2312e-05 TDB
period 1678.38247349974
4.60
1.2079e-05
3.307e-08
d
yr
n .2144922302777226 1.5437e-09 deg/d
Q 3.213182801451734 1.5417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1933  
   data-arc span      31407 days (85.99 yr)  
   first obs. used      1933-12-15  
   last obs. used      2019-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:54:20  

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

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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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