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JPL Small-Body Database Browser
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3971 Voronikhin (1979 YM8)
Classification: Main-belt Asteroid          SPK-ID: 2003971
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848262928890952 5.7942e-08  
a 2.847671991660021 1.5578e-08 au
q 2.321347334077393 1.602e-07 au
i 13.01130132211896 4.3427e-06 deg
node 284.8190819678277 2.2482e-05 deg
peri 83.28658234220357 2.5145e-05 deg
M 220.1031703356109 1.306e-05 deg
tp 2459682.585385534690
(2022-Apr-13.08538553)
6.6562e-05 TDB
period 1755.227329894191
4.81
1.4402e-05
3.943e-08
d
yr
n .2051016377586267 1.683e-09 deg/d
Q 3.373996649242649 1.8457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1918  
   data-arc span      23506 days (64.36 yr)  
   first obs. used      1955-12-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:01:55  

Additional Information
 Earth MOID = 1.36329 au 
 Jupiter MOID = 2.2865 au 
 T_jup = 3.244 
[ 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 11.4   n/a MPO473820  
diameter diameter 31.996 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.552 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Shipley, H.; Dillard, A.; Kendall, J.; Reichert, M.; et al. (2008) Minor Planet Bull. 35, 99-101.]
[Bennefeld, C.; Cantue, J.; Holly, V.; Jordon, L.; Martin, T.; Soar, E.; Swinney, T. (2009) Minor Planet Bull. 36, 45-48.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3971 Voronikhin (1979 YM8)          Discovered 1979-Dec-23 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1979 YM8 = 1940 WQ = 1955 YD = 1956 AJ1 = 1971 BF3 = 1974 XP = 1980 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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