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16679 (1994 EQ2)
Classification: Main-belt Asteroid          SPK-ID: 2016679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09458343200813543 1.9491e-08  
a 2.766559759983919 1.1506e-08 au
q 2.504889043029036 5.7732e-08 au
i 8.429289963165386 5.759e-07 deg
node 327.9614113383246 8.5588e-06 deg
peri 193.1112722187255 1.4155e-05 deg
M 302.2829674788903 1.3609e-05 deg
tp 2459469.969740306488
(2021-Sep-12.46974031)
6.4062e-05 TDB
period 1680.770862134247
4.60
1.0486e-05
2.871e-08
d
yr
n .214187435128945 1.3362e-09 deg/d
Q 3.028230476938801 1.2595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2093  
   data-arc span      16334 days (44.72 yr)  
   first obs. used      1976-06-24  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:38:38  

Additional Information
 Earth MOID = 1.51429 au 
 Jupiter MOID = 1.96816 au 
 T_jup = 3.317 
[ 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 13.3   n/a MPO502297  
diameter diameter 6.491 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.501 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 0.290   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16679 (1994 EQ2)          Discovered 1994-Mar-14 by Otomo, S. at Kiyosato
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 EQ2 = 1989 AO1 = 1996 TM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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