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46454 (4029 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074238314497374 5.6013e-08  
a 2.455536815083953 1.2727e-08 au
q 1.946199960633354 1.3276e-07 au
i 6.821503747407839 5.0257e-06 deg
node 355.3533613127605 3.2066e-05 deg
peri 341.6953164773042 3.4059e-05 deg
M 203.4035136910476 1.6143e-05 deg
tp 2459611.860835590303
(2022-Feb-01.36083559)
6.6827e-05 TDB
period 1405.458743041585
3.85
1.0927e-05
2.992e-08
d
yr
n .2561441250284699 1.9914e-09 deg/d
Q 2.964873669534552 1.5367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      21756 days (59.56 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:02  

Additional Information
 Earth MOID = .938584 au 
 Jupiter MOID = 2.42858 au 
 T_jup = 3.454 
[ 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 15.6   n/a MPO468327  
diameter diameter 1.968 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46454 (4029 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

[ show close-approach data ]
Alternate Designations
 4029 P-L = 1999 XT132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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