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46455 (4054 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046455
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508184692991667 3.9428e-08  
a 2.731189498948093 1.3292e-08 au
q 2.319275679350783 1.0587e-07 au
i 4.331582315126943 4.7938e-06 deg
node 219.2772990752214 5.0761e-05 deg
peri 87.81592571438456 5.3358e-05 deg
M 128.0424260551949 1.7985e-05 deg
tp 2458414.122130390195
(2018-Oct-22.62213039)
8.0785e-05 TDB
period 1648.641310252377
4.51
1.2035e-05
3.295e-08
d
yr
n .218361627699897 1.594e-09 deg/d
Q 3.143103318545402 1.5296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55154  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:15  

Additional Information
 Earth MOID = 1.30952 au 
 Jupiter MOID = 2.11109 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456590.5 (2013-Oct-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530296338239255 3.9553e-08  
q 2.312276676436735 1.065e-07 au
tp 2456767.019475468936
(2014-Apr-19.51947547)
7.6384e-05 TDB
node 219.3414309589199 5.0848e-05 deg
peri 87.91716818789691 5.337e-05 deg
i 4.327889815998216 4.7943e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55154  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:15  

Additional Information
 Jupiter MOID = 2.11109 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.564429634614521E-15 -4.189781350873785E-15 1.310964594759175E-12 -8.399016285498827E-15 2.327403551510252E-13 -5.047277510125683E-16
q -4.189781350873785E-15 1.134169660403955E-14 -3.422390127577246E-12 2.34621911568384E-14 -6.085167474557863E-13 1.455408687691683E-15
tp 1.310964594759175E-12 -3.422390127577246E-12 5.834571093594383E-9 -1.023447956434764E-11 1.250259650200407E-9 -2.613818162659396E-12
node -8.399016285498827E-15 2.34621911568384E-14 -1.023447956434764E-11 2.585481681266601E-9 -2.579659031595889E-9 -7.292611818812713E-11
peri 2.327403551510252E-13 -6.085167474557863E-13 1.250259650200407E-9 -2.579659031595889E-9 2.848409422178719E-9 7.215588736807552E-11
i -5.047277510125683E-16 1.455408687691683E-15 -2.613818162659396E-12 -7.292611818812713E-11 7.215588736807552E-11 2.298540726183909E-11

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 14.5   n/a MPO449294  
rotation period rot_per 89.899 h n/a LCDB (Rev. 2019-August); 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.]

46455 (4054 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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