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46458 (4244 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909256484357151 3.829e-08  
a 2.455103422957592 1.2227e-08 au
q 1.98636120995267 9.8052e-08 au
i 5.942956397238025 7.1143e-06 deg
node 211.7686311729251 3.6871e-05 deg
peri 63.77465289102691 4.2819e-05 deg
M 297.1219911446799 2.2955e-05 deg
tp 2459445.914034066911
(2021-Aug-19.41403407)
9.0755e-05 TDB
period 1405.086672947544
3.85
1.0497e-05
2.874e-08
d
yr
n .2562119525657475 1.914e-09 deg/d
Q 2.923845635962514 1.4562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      21732 days (59.50 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:47:10  

Additional Information
 Earth MOID = .977051 au 
 Jupiter MOID = 2.20732 au 
 T_jup = 3.461 
[ 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 15.99   n/a E2021B10  
diameter diameter 2.745 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46458 (4244 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
 4244 P-L = 1999 VJ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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