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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01223677021488966 4.0596e-08  
a 2.947472187158087 1.2418e-08 au
q 2.911404647289055 1.2255e-07 au
i 3.021812268020536 3.4956e-06 deg
node 75.35817702958192 8.1435e-05 deg
peri 147.9639882827517 0.00017212 deg
M 17.56797054426687 0.0001509 deg
tp 2459110.302999719144
(2020-Sep-17.80299972)
0.00077481 TDB
period 1848.302285075539
5.06
1.168e-05
3.198e-08
d
yr
n .194773334917609 1.2309e-09 deg/d
Q 2.983539727027118 1.257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2480  
   data-arc span      14698 days (40.24 yr)  
   first obs. used      1980-05-22  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:06:00  

Additional Information
 Earth MOID = 1.89933 au 
 Jupiter MOID = 1.97633 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 12.76   n/a E2021B10  
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. 2020-October); 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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