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66409 (1999 MK1)
Classification: Main-belt Asteroid          SPK-ID: 2066409
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282978770175612 6.1491e-08  
a 2.561815682226947 1.7216e-08 au
q 2.233140168886934 1.5355e-07 au
i 14.32674810499877 6.1881e-06 deg
node 307.957469056135 2.2121e-05 deg
peri 20.72988250571649 3.4847e-05 deg
M 19.49822752777239 3.251e-05 deg
tp 2458919.382813345555
(2020-Mar-10.88281335)
0.00013472 TDB
period 1497.68419483288
4.10
1.5097e-05
4.133e-08
d
yr
n .2403711017596543 2.423e-09 deg/d
Q 2.890491195566959 1.9424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7346 days (20.11 yr)  
   first obs. used      1999-06-20  
   last obs. used      2019-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:49:45  

Additional Information
 Earth MOID = 1.22566 au 
 Jupiter MOID = 2.43167 au 
 T_jup = 3.380 
[ 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 14.4   n/a MPO395613  
diameter diameter 3.684 km 0.677 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66409 (1999 MK1)          Discovered 1999-Jun-20 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 MK1 = 2000 XR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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