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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01226432518048711 4.0658e-08  
a 2.947563551155673 1.2526e-08 au
q 2.911413673274148 1.2282e-07 au
i 3.021790653746278 3.4963e-06 deg
node 75.35871108661468 8.1454e-05 deg
peri 147.3432019013154 0.0001714 deg
M 339.2199234717686 0.00015008 deg
tp 2459107.193468781397
(2020-Sep-14.69346878)
0.00077051 TDB
period 1848.388224611217
5.06
1.1782e-05
3.226e-08
d
yr
n .1947642790657363 1.2415e-09 deg/d
Q 2.983713429037198 1.2679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2472  
   data-arc span      14683 days (40.20 yr)  
   first obs. used      1980-05-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:00  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Aug-25 06:30 00:02 Jupiter 1.97110503200208 1.97110465941579 1.97110540458836 3.4639274622255 3.33756710987649 2421100.770675756 1.83121895911808 85.3012971061754 13.7896623498413 89.3469636809346 3692014.10855236 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 23:03:14 2020-Aug-24 23:03
1951-Dec-23 18:40 00:01 Jupiter 1.96508261736023 1.9650822388808 1.96508299583955 3.44741703678412 3.32003178298949 2434004.277873834 1.1583507689425 63.7398174334369 13.722901866936 -88.2350236232464 3639252.27387526 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 23:03:14 2020-Aug-24 23:03
1987-Apr-21 05:33 < 00:01 Jupiter 1.97502103530632 1.97502065807843 1.9750214125341 3.47657416589553 3.35094505277558 2446906.731136291 0.49795386435879 38.8274841374276 13.8235624201812 -87.3437776203457 3670097.29285804 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 23:03:14 2020-Aug-24 23:03
2022-Aug-19 14:33 < 00:01 Jupiter 1.98436544973932 1.9843650822492 1.98436581722932 3.50945078284403 3.38563859621172 2459811.106062320 0.261516031922503 32.7886778127552 13.7113862550243 -89.1720401911244 3777163.89944271 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 23:03:14 2020-Aug-24 23:03

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