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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2459692728458241 5.3993e-08  
a 3.953643919993117 3.0481e-08 au
q 2.981168999901096 2.1197e-07 au
i 1.69794919420266 5.1549e-06 deg
node 303.910032319925 0.00015496 deg
peri 45.85314611418525 0.00015515 deg
M 112.1382528937789 9.4966e-06 deg
tp 2458306.070652776022
(2018-Jul-06.57065278)
6.9754e-05 TDB
period 2871.40700600745
7.86
3.3206e-05
9.091e-08
d
yr
n .1253740759310058 1.4499e-09 deg/d
Q 4.926118840085137 3.7978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      9711 days (26.59 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:50:54  

Additional Information
 Earth MOID = 1.97374 au 
 Jupiter MOID = .549539 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 13.12   n/a MPCxxxxx  
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. 2020-October); 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 ]
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