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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848655784120202 2.0819e-08  
a 2.848041868855491 1.3072e-08 au
q 2.32153696142787 6.1736e-08 au
i 13.01118213914009 8.8891e-07 deg
node 284.8193225854554 3.6836e-06 deg
peri 83.22892624578421 6.185e-06 deg
M 261.1951840772666 7.5489e-06 deg
tp 2459682.329730391021
(2022-Apr-12.82973039)
3.8491e-05 TDB
period 1755.56931431778
4.81
1.2087e-05
3.309e-08
d
yr
n .2050616840155338 1.4118e-09 deg/d
Q 3.374546776283112 1.5489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2127  
   data-arc span      23610 days (64.64 yr)  
   first obs. used      1955-12-20  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:47:19  

Additional Information
 Earth MOID = 1.362 au 
 Jupiter MOID = 2.28598 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 11.45   n/a E2021B10  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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