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
JPL Small-Body Database Browser
Search: [ help ]  
146641 (2001 US73)
Classification: Main-belt Asteroid          SPK-ID: 2146641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058238064425516 4.2588e-08  
a 2.776422301976972 1.8936e-08 au
q 2.482610725689777 1.206e-07 au
i 4.867941649146698 5.0511e-06 deg
node 67.70382040198712 5.5705e-05 deg
peri 264.6204841119279 6.1345e-05 deg
M 60.74104458602856 2.4089e-05 deg
tp 2458715.393926585536
(2019-Aug-19.89392659)
0.00011334 TDB
period 1689.766567709237
4.63
1.7287e-05
4.733e-08
d
yr
n .2130471787520572 2.1795e-09 deg/d
Q 3.070233878264166 2.094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      6589 days (18.04 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:06:23  

Additional Information
 Earth MOID = 1.47806 au 
 Jupiter MOID = 2.25111 au 
 T_jup = 3.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO417788  
diameter diameter 2.412 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146641 (2001 US73)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 21:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin