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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626884718232128 1.6827e-08  
a 2.76447042680523 9.8285e-09 au
q 2.314722957667823 4.604e-08 au
i 7.751278972672083 3.0992e-07 deg
node 269.1092637060934 7.4063e-06 deg
peri 118.6947777455982 1.1665e-05 deg
M 29.51926335300325 5.468e-06 deg
tp 2459062.836323361154
(2020-Aug-01.33632336)
2.5371e-05 TDB
period 1678.867219596198
4.60
8.9533e-06
2.451e-08
d
yr
n .2144302990718869 1.1435e-09 deg/d
Q 3.214217895942638 1.1427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2533  
   data-arc span      31866 days (87.24 yr)  
   first obs. used      1933-12-15  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:28:21  

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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