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190850 (2001 SL161)
Classification: Main-belt Asteroid          SPK-ID: 2190850
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637595241268247 4.1163e-08  
a 2.361059458345216 1.2306e-08 au
q 1.974413485011465 9.7998e-08 au
i 4.071400066212704 5.8747e-06 deg
node 226.6373798595327 6.8951e-05 deg
peri 231.8837353936941 7.1485e-05 deg
M 40.44506507797531 2.0598e-05 deg
tp 2459051.624973883395
(2020-Jul-21.12497388)
7.536e-05 TDB
period 1325.130996789107
3.63
1.036e-05
2.836e-08
d
yr
n .2716712542928265 2.124e-09 deg/d
Q 2.747705431678968 1.4321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      7062 days (19.33 yr)  
   first obs. used      2001-09-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:28  

Additional Information
 Earth MOID = .994056 au 
 Jupiter MOID = 2.42317 au 
 T_jup = 3.530 
[ 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 16.7   n/a MPO454319  
diameter diameter 2.148 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190850 (2001 SL161)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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