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JPL Small-Body Database Browser
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3374 Namur (1980 KO)
Classification: Main-belt Asteroid          SPK-ID: 2003374
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01226432422113691 4.0845e-08  
a 2.947563552655314 1.4434e-08 au
q 2.911413677583143 1.2295e-07 au
i 3.021786843765386 3.936e-06 deg
node 75.35867228232358 8.3573e-05 deg
peri 147.3432557485506 0.0001819 deg
M 339.2199077662976 0.00016194 deg
tp 2459107.193549501176
(2020-Sep-14.69354950)		 0.00083153 TDB
period 1848.388226021832
5.06		 1.3577e-05
3.717e-08		 d
yr
n .1947642789171001 1.4307e-09 deg/d
Q 2.983713427727484 1.4611e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      14501 days (39.70 yr)  
   first obs. used      1980-05-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:45:47  

Additional Information
 Earth MOID = 1.90091 au 
 Jupiter MOID = 1.9771 au 
 T_jup = 3.268 
[ 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 12.7   n/a MPO337278  
diameter diameter 7.774 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.8542 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.181   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3374 Namur (1980 KO)          Discovered 1980-May-22 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 KO = 1982 VV2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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