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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041930475126903 3.3249e-08  
a 3.014451474599987 1.6958e-08 au
q 2.700366588882291 9.9728e-08 au
i 8.94625462681508 4.7917e-06 deg
node 331.7494283232281 2.286e-05 deg
peri 78.21793385997486 3.2966e-05 deg
M 125.8135701041479 2.2846e-05 deg
tp 2458532.408635936884
(2019-Feb-17.90863594)
0.00012109 TDB
period 1911.660966806891
5.23
1.6132e-05
4.417e-08
d
yr
n .1883179110997489 1.5891e-09 deg/d
Q 3.328536360317682 1.8725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1875  
   data-arc span      23809 days (65.19 yr)  
   first obs. used      1955-11-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:21:50  

Additional Information
 Earth MOID = 1.7273 au 
 Jupiter MOID = 2.04677 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 13.22   n/a E2021B10  
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. 2020-October); 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

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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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