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101469 (1998 WU16)
Classification: Main-belt Asteroid          SPK-ID: 2101469
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092046958212919 3.6464e-08  
a 2.672331053329971 1.4388e-08 au
q 2.380499953517279 9.748e-08 au
i 13.20754244774356 4.6396e-06 deg
node 236.3041859353856 1.7997e-05 deg
peri 105.4245703492988 3.0437e-05 deg
M 85.07392659046369 2.2985e-05 deg
tp 2458823.424954813201
(2019-Dec-05.92495481)
0.00010157 TDB
period 1595.635956956805
4.37
1.2887e-05
3.528e-08
d
yr
n .2256153719966249 1.8221e-09 deg/d
Q 2.964162153142664 1.596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:56  

Additional Information
 Earth MOID = 1.41305 au 
 Jupiter MOID = 2.42805 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457606.5 (2016-Aug-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111844438093606 3.6466e-08  
q 2.37427604619921 9.7708e-08 au
tp 2457227.712141317152
(2015-Jul-24.21214132)
9.8701e-05 TDB
node 236.3266295136915 1.7999e-05 deg
peri 105.3347583722146 3.0012e-05 deg
i 13.20849602920162 4.6395e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:56  

Additional Information
 Jupiter MOID = 2.42805 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.329780841280112E-15 -3.532423578121559E-15 -3.635497709057027E-13 -4.218560406524745E-15 -1.006450759234655E-13 -4.940685329354371E-15
q -3.532423578121559E-15 9.546885037311425E-15 9.178716227448463E-13 1.14695722798967E-14 2.629701230196033E-13 1.3799485732817E-14
tp -3.635497709057027E-13 9.178716227448463E-13 9.74183018009091E-9 1.086298073052957E-11 2.385183903614453E-9 -3.83039837617834E-15
node -4.218560406524745E-15 1.14695722798967E-14 1.086298073052957E-11 3.239470364036089E-10 -3.123402816806749E-10 1.12266749680812E-11
peri -1.006450759234655E-13 2.629701230196033E-13 2.385183903614453E-9 -3.123402816806749E-10 9.007315999856424E-10 -1.083524478914445E-11
i -4.940685329354371E-15 1.3799485732817E-14 -3.83039837617834E-15 1.12266749680812E-11 -1.083524478914445E-11 2.152514884639772E-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 15.40   n/a MPCxxxxx  

101469 (1998 WU16)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 WU16 = 2001 KS6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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