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181267 (2005 WX16)
Classification: Main-belt Asteroid          SPK-ID: 2181267
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1732236899652265 5.7542e-08  
a 3.095395538700455 3.5685e-08 au
q 2.559199701584862 1.9545e-07 au
i .5262259047737208 5.929e-06 deg
node 200.9318229590132 0.00048869 deg
peri 131.7721485290102 0.00048898 deg
M 355.2212012249879 1.4908e-05 deg
tp 2459226.905165768375
(2021-Jan-12.40516577)
8.2476e-05 TDB
period 1989.173456375761
5.45
3.4398e-05
9.418e-08
d
yr
n .1809796922667134 3.1296e-09 deg/d
Q 3.631591375816047 4.1867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:53  

Additional Information
 Earth MOID = 1.547 au 
 Jupiter MOID = 1.73951 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736904587538297 5.7912e-08  
q 2.555994857781292 1.9647e-07 au
tp 2457245.442526813964
(2015-Aug-10.94252681)
8.1818e-05 TDB
node 201.096385012344 0.00048884 deg
peri 132.6863852603735 0.00048913 deg
i .5259389523652476 5.9327e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:53  

Additional Information
 Jupiter MOID = 1.73951 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.353759330192238E-15 -1.12905373583426E-14 1.812834854457534E-12 -2.077957941571951E-14 4.71832852797359E-13 -4.041858740806248E-16
q -1.12905373583426E-14 3.86005062069476E-14 -6.073658944746007E-12 7.318722992190509E-14 -1.60572382900819E-12 1.388663796890665E-15
tp 1.812834854457534E-12 -6.073658944746007E-12 6.694221282315884E-9 -2.16200609324912E-11 1.378247834886733E-9 -1.957715739113079E-13
node -2.077957941571951E-14 7.318722992190509E-14 -2.16200609324912E-11 2.389646880036461E-7 -2.389590120622033E-7 -6.062884922050703E-11
peri 4.71832852797359E-13 -1.60572382900819E-12 1.378247834886733E-9 -2.389590120622033E-7 2.392444996456088E-7 6.057875363740837E-11
i -4.041858740806248E-16 1.388663796890665E-15 -1.957715739113079E-13 -6.062884922050703E-11 6.057875363740837E-11 3.519701237384824E-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 16.08   n/a E2021B55  

181267 (2005 WX16)          Discovered 2005-Nov-22 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 WX16 = 2004 PD66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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