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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987461734698477 4.5563e-08  
a 2.271837108458484 7.3496e-09 au
q 1.820318176405557 1.0173e-07 au
i 5.264028924460738 4.52e-06 deg
node 14.31691095358697 3.9521e-05 deg
peri 355.719868981073 4.0667e-05 deg
M 186.6285059936789 9.2277e-06 deg
tp 2459602.836805598195
(2022-Jan-23.33680560)
3.278e-05 TDB
period 1250.73185334288
3.42
6.0694e-06
1.662e-08
d
yr
n .2878314796555424 1.3968e-09 deg/d
Q 2.723356040511411 8.8104e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      11821 days (32.36 yr)  
   first obs. used      1987-08-27  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:49:09  

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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