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120413 (4815 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2120413
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 .1246235617033298 1.4415e-07  
a 2.548058011200601 1.4313e-08 au
q 2.230509946418079 3.7326e-07 au
i 3.456633812859742 8.999e-06 deg
node 30.17102070156344 7.7979e-05 deg
peri 29.89233310009634 0.00011091 deg
M 252.3483587147954 6.9983e-05 deg
tp 2459644.753183481096
(2022-Mar-06.25318348)
0.0002909 TDB
period 1485.635928480498
4.07
1.2517e-05
3.427e-08
d
yr
n .2423204723974376 2.0417e-09 deg/d
Q 2.865606075983123 1.6096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      21437 days (58.69 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:19  

Additional Information
 Earth MOID = 1.24302 au 
 Jupiter MOID = 2.43927 au 
 T_jup = 3.428 
[ 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 15.9   n/a MPO338103  
diameter diameter 1.750 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120413 (4815 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 4815 P-L = 2001 VY66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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