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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254089020089855 1.4482e-07  
a 2.54666653931592 1.4642e-08 au
q 2.227291884837287 3.755e-07 au
i 3.457976756224698 9.0291e-06 deg
node 30.23502213841167 7.9156e-05 deg
peri 29.8895473983287 0.0001115 deg
M 203.8564814017054 6.9122e-05 deg
tp 2459644.340083471489
(2022-Mar-05.84008347)
0.00028835 TDB
period 1484.419155725799
4.06
1.2802e-05
3.505e-08
d
yr
n .2425191015700548 2.0915e-09 deg/d
Q 2.866041193794552 1.6478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      21383 days (58.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:12:04  

Additional Information
 Earth MOID = 1.24052 au 
 Jupiter MOID = 2.43908 au 
 T_jup = 3.429 
[ 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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