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 ]  
46629 (1994 PS38)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046629
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2458410039983505 5.8098e-08  
a 3.95315752964514 3.1467e-08 au
q 2.98130931359354 2.306e-07 au
i 1.69801745939374 5.2735e-06 deg
node 303.9094585701624 0.00020266 deg
peri 45.81993963406844 0.00020282 deg
M 87.11769790721119 9.4981e-06 deg
tp 2458305.766088751006
(2018-Jul-06.26608875)
7.1728e-05 TDB
period 2870.877147328012
7.86
3.4278e-05
9.385e-08
d
yr
n .1253972153894011 1.4972e-09 deg/d
Q 4.92500574569674 3.9203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:31:44  

Additional Information
 Earth MOID = 1.97562 au 
 Jupiter MOID = .549762 au 
 T_jup = 3.005 
[ 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 13.1   n/a MPO459174  
diameter diameter 15.629 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 8.39 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Witry, J.; Sonnett, S.; Williamson, B.; Chatelain, J.; et al. (2019) Minor Planet Bull. 46, 335-337.]
geometric albedo albedo 0.050   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

46629 (1994 PS38)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PS38 = 2000 HG60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 14:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin