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19867 (4061 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019867
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 .1626217336763203 3.7741e-08  
a 3.13894927939861 1.8742e-08 au
q 2.628487905660772 1.2741e-07 au
i 4.807919029432731 5.2165e-06 deg
node 237.9891803190047 5.4863e-05 deg
peri 57.47344734762444 5.7869e-05 deg
M 332.5135713855495 1.9382e-05 deg
tp 2459355.592461179540
(2021-May-21.09246118)
0.00010981 TDB
period 2031.303768408866
5.56
1.8193e-05
4.981e-08
d
yr
n .177226077949922 1.5873e-09 deg/d
Q 3.649410653136449 2.179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1082  
   data-arc span      21823 days (59.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:16  

Additional Information
 Earth MOID = 1.61458 au 
 Jupiter MOID = 1.56481 au 
 T_jup = 3.185 
[ 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 13.97   n/a E2021B10  
diameter diameter 8.547 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19867 (4061 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4061 P-L = 1998 KS33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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