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123420 (2000 WN105)
Classification: Main-belt Asteroid          SPK-ID: 2123420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125971758410819 2.7448e-08  
a 2.550448363056082 1.3727e-08 au
q 2.229163898025913 7.0313e-08 au
i 2.901813709243557 4.9106e-06 deg
node 252.6488023513882 7.9883e-05 deg
peri 64.23414410681627 8.3934e-05 deg
M 16.91628113032236 2.4256e-05 deg
tp 2458930.592201970892
(2020-Mar-22.09220197)
0.00010035 TDB
period 1487.726947583496
4.07
1.2011e-05
3.288e-08
d
yr
n .2419798878986129 1.9536e-09 deg/d
Q 2.871732828086251 1.5457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2000-11-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:35:23  

Additional Information
 Earth MOID = 1.21751 au 
 Jupiter MOID = 2.38809 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262277072759143 2.75e-08  
q 2.22859367457375 7.0652e-08 au
tp 2457445.176948025420
(2016-Feb-26.67694803)
0.00010353 TDB
node 252.6731451771298 7.9891e-05 deg
peri 64.85001202565721 8.3938e-05 deg
i 2.901450812943009 4.9129e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2000-11-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:35:23  

Additional Information
 Jupiter MOID = 2.38809 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.562565276413514E-16 -1.914539152857092E-15 6.108785731893821E-13 -6.430092674852008E-15 1.629765481566829E-13 -1.114313828969244E-16
q -1.914539152857092E-15 4.991637337817285E-15 -1.967263013494656E-12 1.573195800054108E-14 -5.160196928935163E-13 5.766698776909538E-16
tp 6.108785731893821E-13 -1.967263013494656E-12 1.071893551658883E-8 -5.962071414188496E-12 2.682743596162126E-9 -5.097322984626716E-12
node -6.430092674852008E-15 1.573195800054108E-14 -5.962071414188496E-12 6.382512529776726E-9 -6.375929569008649E-9 -1.930631961243458E-10
peri 1.629765481566829E-13 -5.160196928935163E-13 2.682743596162126E-9 -6.375929569008649E-9 7.045549565995944E-9 1.915802151984404E-10
i -1.114313828969244E-16 5.766698776909538E-16 -5.097322984626716E-12 -1.930631961243458E-10 1.915802151984404E-10 2.413635261388798E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO396055  

123420 (2000 WN105)          Discovered 2000-Nov-28 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2000 WN105 = 2004 TA204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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