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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2009-Oct-23 07:56 < 00:01 Iris 0.0244601601596278 0.0244585169836815 0.024461803338755 5.24520626861899 5.24520622381144 2455127.830482743 0.426172353901568 83.9021080901098 52.6224517892661 -16.129792822131 46119.3647727903 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 08:28:31 2020-Feb-23 08:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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