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49461 (1999 AK5)
Classification: Main-belt Asteroid          SPK-ID: 2049461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142614188174862 4.2337e-08  
a 2.99066440981738 1.8477e-08 au
q 2.648946851144686 1.3074e-07 au
i 11.03155772925226 5.6207e-06 deg
node 17.5203098692635 2.4279e-05 deg
peri 52.09546063590029 3.5216e-05 deg
M 16.72319070920192 2.4059e-05 deg
tp 2458512.746066551164
(2019-Jan-29.24606655)
0.00012624 TDB
period 1889.07826209253
5.17
1.7507e-05
4.793e-08
d
yr
n .1905691295188736 1.7661e-09 deg/d
Q 3.332381968490074 2.0589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:42:34  

Additional Information
 Earth MOID = 1.67822 au 
 Jupiter MOID = 2.05851 au 
 T_jup = 3.218 
[ 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 13.2   n/a MPO502485  
diameter diameter 8.487 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49461 (1999 AK5)          Discovered 1999-Jan-10 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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