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2936 Nechvile (1979 SF)
Classification: Main-belt Asteroid          SPK-ID: 2002936
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07345679644929108 3.1771e-08  
a 2.679590765412972 1.0174e-08 au
q 2.482756611990632 8.5264e-08 au
i 8.459257340206602 3.7218e-06 deg
node 333.7844233894538 2.1493e-05 deg
peri 321.5397263710717 3.3552e-05 deg
M 201.3365321205798 2.6673e-05 deg
tp 2459906.615227274094
(2022-Nov-23.11522727)
0.00011985 TDB
period 1602.142479400866
4.39
9.1246e-06
2.498e-08
d
yr
n .2246991167318808 1.2797e-09 deg/d
Q 2.876424918835313 1.0921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2874  
   data-arc span      19816 days (54.25 yr)  
   first obs. used      1966-10-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:06:43  

Additional Information
 Earth MOID = 1.47154 au 
 Jupiter MOID = 2.32537 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.21   n/a E2021B10  
diameter diameter 9.465 km 0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 119.642 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.]
geometric albedo albedo 0.183   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2936 Nechvile (1979 SF)          Discovered 1979-Sep-17 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 SF = 1966 UL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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