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JPL Small-Body Database Browser
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15062 (1999 AL2)
Classification: Main-belt Asteroid          SPK-ID: 2015062
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040439640897633 3.4484e-08  
a 3.015066559715277 1.7541e-08 au
q 2.701367082848015 1.0463e-07 au
i 8.945588439263469 4.8288e-06 deg
node 331.7484496992024 2.427e-05 deg
peri 78.31638769991355 3.4117e-05 deg
M 88.06624505472635 2.3076e-05 deg
tp 2458532.710185476034
(2019-Feb-18.21018548)
0.00012235 TDB
period 1912.246095243162
5.24
1.6688e-05
4.569e-08
d
yr
n .1882602876771582 1.6429e-09 deg/d
Q 3.32876603658254 1.9367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1704  
   data-arc span      23462 days (64.24 yr)  
   first obs. used      1955-11-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:10:30  

Additional Information
 Earth MOID = 1.72922 au 
 Jupiter MOID = 2.04582 au 
 T_jup = 3.222 
[ 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 13.2   n/a MPO458965  
diameter diameter 7.641 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.821 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.303   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15062 (1999 AL2)          Discovered 1999-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AL2 = 1986 PH1 = 1987 YU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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