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15464 (1999 AN5)
Classification: Main-belt Asteroid          SPK-ID: 2015464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987461718612174 4.5307e-08  
a 2.271837107707126 7.0496e-09 au
q 1.820318179458074 1.013e-07 au
i 5.26402937187289 4.454e-06 deg
node 14.31692596683627 3.6033e-05 deg
peri 355.7198557760723 3.6984e-05 deg
M 186.6285050230068 8.821e-06 deg
tp 2459602.836808671743
(2022-Jan-23.33680867)
3.1636e-05 TDB
period 1250.731852722403
3.42
5.8216e-06
1.594e-08
d
yr
n .287831479798333 1.3397e-09 deg/d
Q 2.723356035956177 8.4507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1814  
   data-arc span      11933 days (32.67 yr)  
   first obs. used      1987-08-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:34  

Additional Information
 Earth MOID = .820027 au 
 Jupiter MOID = 2.73947 au 
 T_jup = 3.580 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO452389  
diameter diameter 3.425 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.582 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.]
geometric albedo albedo 0.378   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15464 (1999 AN5)          Discovered 1999-Jan-12 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AN5 = 1987 QA11 = 1987 ST22 = 1996 FP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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