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146169 (2000 SW274)
Classification: Main-belt Asteroid          SPK-ID: 2146169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746035882198083 4.1435e-08  
a 3.140448862139869 2.6661e-08 au
q 2.592115222189433 1.2716e-07 au
i 16.50314665892412 6.019e-06 deg
node 43.2852012725139 1.7142e-05 deg
peri 53.23711394561062 2.5438e-05 deg
M 149.7146844678243 2.1088e-05 deg
tp 2458155.127892790135
(2018-Feb-05.62789279)
0.00011368 TDB
period 2032.75957650605
5.57
2.5885e-05
7.087e-08
d
yr
n .1770991533680414 2.2552e-09 deg/d
Q 3.688782502090303 3.1316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      14876 days (40.73 yr)  
   first obs. used      1978-11-01  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:30:16  

Additional Information
 Earth MOID = 1.64423 au 
 Jupiter MOID = 1.81989 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766093515602527 4.1461e-08  
q 2.583779519587662 1.276e-07 au
tp 2456124.240548813947
(2012-Jul-15.74054881)
0.00010322 TDB
node 43.3203254468487 1.7132e-05 deg
peri 53.01816241497859 2.5265e-05 deg
i 16.51552974715385 6.0227e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      14876 days (40.73 yr)  
   first obs. used      1978-11-01  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:30:16  

Additional Information
 Jupiter MOID = 1.81989 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.719030334507249E-15 -5.212672106560719E-15 2.240407723923191E-13 1.337525533728445E-15 -1.158391647210961E-15 -1.952491205983472E-15
q -5.212672106560719E-15 1.628207713052932E-14 -1.631654931490472E-13 -5.59519015027331E-15 1.344573918215152E-13 5.350832518503519E-15
tp 2.240407723923191E-13 -1.631654931490472E-13 1.065534347090545E-8 -2.971273354305631E-12 1.934264406832478E-9 -8.417582839585052E-12
node 1.337525533728445E-15 -5.59519015027331E-15 -2.971273354305631E-12 2.935089580524073E-10 -2.819386307560075E-10 -2.807061302556123E-11
peri -1.158391647210961E-15 1.344573918215152E-13 1.934264406832478E-9 -2.819386307560075E-10 6.383056553675104E-10 2.542542896469374E-11
i -1.952491205983472E-15 5.350832518503519E-15 -8.417582839585052E-12 -2.807061302556123E-11 2.542542896469374E-11 3.62729083428777E-11

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 14.3   n/a MPO338247  

146169 (2000 SW274)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2000 SW274 = 1978 VC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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