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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01241627267757788 4.1249e-08  
a 2.948679219749549 1.5234e-08 au
q 2.912067614518431 1.2395e-07 au
i 3.021811185959961 4.108e-06 deg
node 75.36294464179367 8.3615e-05 deg
peri 145.6307985438682 0.00018261 deg
M 263.0381304434494 0.00016295 deg
tp 2459098.624841533707
(2020-Sep-06.12484153)
0.00083766 TDB
period 1849.437761176292
5.06
1.4333e-05
3.924e-08
d
yr
n .1946537523766305 1.5085e-09 deg/d
Q 2.985290824980667 1.5423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2051  
   data-arc span      14433 days (39.52 yr)  
   first obs. used      1980-05-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47933  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:48:07  

Additional Information
 Earth MOID = 1.90185 au 
 Jupiter MOID = 1.97623 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-January); 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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