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66143 (1998 SE161)
Classification: Main-belt Asteroid          SPK-ID: 2066143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004991290452398 3.6249e-08  
a 3.059477382174289 1.6931e-08 au
q 2.752002569932162 1.1249e-07 au
i 10.19632103997898 4.6233e-06 deg
node 223.7290868037935 2.439e-05 deg
peri 197.4674430399984 3.5736e-05 deg
M 19.49929489903113 2.4758e-05 deg
tp 2459094.626881872389
(2020-Sep-02.12688187)
0.00013438 TDB
period 1954.651320639995
5.35
1.6225e-05
4.442e-08
d
yr
n .1841760707900211 1.5288e-09 deg/d
Q 3.366952194416415 1.8633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1451  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-02-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:46  

Additional Information
 Earth MOID = 1.76537 au 
 Jupiter MOID = 1.99107 au 
 T_jup = 3.202 
[ 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 13.87   n/a MPCxxxxx  
diameter diameter 6.143 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66143 (1998 SE161)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SE161 = 2000 AG195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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