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185649 (1802 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2185649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001794780728354 7.9647e-08  
a 3.162108719745694 3.9743e-08 au
q 2.529119446617439 2.404e-07 au
i 26.09213425000784 1.1851e-05 deg
node 214.2616087282931 1.4554e-05 deg
peri 234.8122984615158 2.7427e-05 deg
M 175.3990159445655 2.4648e-05 deg
tp 2457999.836001343793
(2017-Sep-03.33600134)
0.00013465 TDB
period 2053.825887085291
5.62
3.8721e-05
1.06e-07
d
yr
n .1752826285147754 3.3046e-09 deg/d
Q 3.795097992873949 4.7699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      15211 days (41.65 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:07:55  

Additional Information
 Earth MOID = 1.61926 au 
 Jupiter MOID = 1.86307 au 
 T_jup = 3.017 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO385818  
diameter diameter 5.261 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185649 (1802 T-3)          Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1802 T-3 = 2005 TX82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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