Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
46291 (2001 KN54)
Classification: Main-belt Asteroid          SPK-ID: 2046291
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03397660802629706 5.817e-08  
a 2.964850708847546 2.2686e-08 au
q 2.864115138456544 1.7775e-07 au
i 9.662008203371098 9.5983e-06 deg
node 179.986824286248 2.6299e-05 deg
peri 69.77873242110365 0.00013306 deg
M 158.9396063302673 0.0001315 deg
tp 2457777.248929733333
(2017-Jan-23.74892973)
0.00067864 TDB
period 1864.672954330589
5.11
2.1402e-05
5.86e-08
d
yr
n .1930633461293693 2.2159e-09 deg/d
Q 3.065586279238548 2.3457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      15071 days (41.26 yr)  
   first obs. used      1977-09-09  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:56  

Additional Information
 Earth MOID = 1.86935 au 
 Jupiter MOID = 1.93418 au 
 T_jup = 3.242 
[ 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 14.5   n/a MPO272850  
diameter diameter 4.139 km 1.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46291 (2001 KN54)          Discovered 2001-May-17 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KN54 = 1977 RB11 = 1998 UW28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin