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46626 (1994 PL23)
Classification: Main-belt Asteroid          SPK-ID: 2046626
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149141504458354 4.0628e-08  
a 2.536418083158674 8.9101e-09 au
q 2.158132874301015 1.0241e-07 au
i 1.221992213768688 3.5052e-06 deg
node 36.23254439866697 0.00020367 deg
peri 58.96029250672139 0.000204 deg
M 134.7411596520258 1.4302e-05 deg
tp 2458844.260498839985
(2019-Dec-26.76049884)
5.7033e-05 TDB
period 1475.467636845565
4.04
7.7747e-06
2.129e-08
d
yr
n .2439904414099194 1.2857e-09 deg/d
Q 2.914703292016333 1.0239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      12186 days (33.36 yr)  
   first obs. used      1988-02-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:47:43  

Additional Information
 Earth MOID = 1.17534 au 
 Jupiter MOID = 2.24991 au 
 T_jup = 3.432 
[ 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 14.79   n/a E2021B10  
rotation period rot_per 5.485 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46626 (1994 PL23)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PL23 = 1988 CY5 = 1992 DO13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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