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46456 (4140 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716978520675499 3.6746e-08  
a 2.554194570704345 8.0726e-09 au
q 2.115644849151811 9.6261e-08 au
i 13.64105277115859 4.1093e-06 deg
node 186.2420365180936 1.1866e-05 deg
peri 200.2572673764989 1.5636e-05 deg
M 255.6934796751281 1.1594e-05 deg
tp 2459632.504578646867
(2022-Feb-22.00457865)
4.9423e-05 TDB
period 1491.006006417298
4.08
7.0685e-06
1.935e-08
d
yr
n .2414477194931195 1.1447e-09 deg/d
Q 2.992744292256879 9.4586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      21851 days (59.82 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:16  

Additional Information
 Earth MOID = 1.12203 au 
 Jupiter MOID = 2.47515 au 
 T_jup = 3.379 
[ 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 14.26   n/a E2021B10  
rotation period rot_per 5.197 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

46456 (4140 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4140 P-L = 2001 QR29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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