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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909244305377772 3.8326e-08  
a 2.455542359914649 1.2224e-08 au
q 1.986719333186555 9.8164e-08 au
i 5.942411563438926 7.1003e-06 deg
node 211.7749468709332 3.6836e-05 deg
peri 63.71384365852283 4.2767e-05 deg
M 245.945705588147 2.268e-05 deg
tp 2459445.775411712894
(2021-Aug-19.27541171)
9.0634e-05 TDB
period 1405.46350352927
3.85
1.0495e-05
2.873e-08
d
yr
n .2561432574350036 1.9126e-09 deg/d
Q 2.924365386642743 1.4558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:17  

Additional Information
 Earth MOID = .979202 au 
 Jupiter MOID = 2.20749 au 
 T_jup = 3.460 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917539956458701 3.8137e-08  
q 1.983857742477483 9.7689e-08 au
tp 2456635.017648311632
(2013-Dec-08.51764831)
7.8392e-05 TDB
node 211.8226229119068 3.6866e-05 deg
peri 63.64949497046992 4.2756e-05 deg
i 5.940535232061924 7.1e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:17  

Additional Information
 Jupiter MOID = 2.20749 au 
 T_jup = 3.460 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.454401740822765E-15 -3.709159453886583E-15 -1.463570039988411E-12 6.433060835277533E-15 -4.120173044092712E-13 -1.41192131802217E-16
q -3.709159453886583E-15 9.543105143582745E-15 3.955710872121729E-12 -1.801924373438471E-14 1.119286442497164E-12 5.796229565697619E-16
tp -1.463570039988411E-12 3.955710872121729E-12 6.14526186345663E-9 -2.751165823322192E-11 1.703566545599391E-9 -1.19434436721295E-12
node 6.433060835277533E-15 -1.801924373438471E-14 -2.751165823322192E-11 1.359115027034187E-9 -1.35901286863691E-9 -4.649706489920531E-11
peri -4.120173044092712E-13 1.119286442497164E-12 1.703566545599391E-9 -1.35901286863691E-9 1.828110415254565E-9 4.595049306647385E-11
i -1.41192131802217E-16 5.796229565697619E-16 -1.19434436721295E-12 -4.649706489920531E-11 4.595049306647385E-11 5.040954080491454E-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 16.0   n/a MPO452805  
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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