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186153 (2001 UN66)
Classification: Inner Main-belt Asteroid          SPK-ID: 2186153
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04091250615535653 3.7933e-08  
a 1.899825540999022 7.1966e-09 au
q 1.822098916858796 7.2627e-08 au
i 22.10702803296883 4.5051e-06 deg
node 235.8466862691956 1.0582e-05 deg
peri 100.6062978856432 8.1512e-05 deg
M 186.0479595379557 7.5893e-05 deg
tp 2459662.663918188482
(2022-Mar-24.16391819)
0.00020073 TDB
period 956.4648399979927
2.62
5.4347e-06
1.488e-08
d
yr
n .376386025858259 2.1386e-09 deg/d
Q 1.977552165139248 7.491e-09 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:07  

Additional Information
 Earth MOID = .881542 au 
 Jupiter MOID = 3.12849 au 
 T_jup = 3.858 
[ 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 16.5   n/a MPO433222  
diameter diameter 1.605 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186153 (2001 UN66)          Discovered 2001-Oct-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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