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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988470539367198 1.2245e-08  
a 2.271741366020316 6.711e-09 au
q 1.820012288080996 2.6789e-08 au
i 5.264201078421106 2.5799e-07 deg
node 14.3170385646112 1.1518e-05 deg
peri 355.7036395835753 1.2496e-05 deg
M 244.2249422948331 6.1325e-06 deg
tp 2459602.706663521756
(2022-Jan-23.20666352)
2.2112e-05 TDB
period 1250.652789451127
3.42
5.5418e-06
1.517e-08
d
yr
n .2878496758144944 1.2755e-09 deg/d
Q 2.723470443959635 8.0454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      11958 days (32.74 yr)  
   first obs. used      1987-08-27  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:26  

Additional Information
 Earth MOID = .818219 au 
 Jupiter MOID = 2.74041 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 14.27   n/a E2021B10  
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. 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.]
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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