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3845 Neyachenko (1979 SA10)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003845
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156504177292606 1.9721e-08  
a 3.428816621217748 1.7603e-08 au
q 2.892192496826851 6.9448e-08 au
i 5.97500272114423 7.1977e-07 deg
node 187.2447792078599 1.3405e-05 deg
peri 260.4933562632888 1.3714e-05 deg
M 138.0703983200679 8.609e-06 deg
tp 2458311.067709535288
(2018-Jul-11.56770954)
5.3164e-05 TDB
period 2319.075112864054
6.35
1.7859e-05
4.89e-08
d
yr
n .155234299226902 1.1954e-09 deg/d
Q 3.965440745608645 2.0358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2704  
   data-arc span      15123 days (41.40 yr)  
   first obs. used      1979-09-22  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:38:02  

Additional Information
 Earth MOID = 1.9161 au 
 Jupiter MOID = 1.33851 au 
 T_jup = 3.112 
[ 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 11.98   n/a E2021B10  
diameter diameter 25.817 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.140 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[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 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3845 Neyachenko (1979 SA10)          Discovered 1979-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 SA10 = 1985 RM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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