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160819 (2000 WE122)
Classification: Main-belt Asteroid          SPK-ID: 2160819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973464400789197 6.2249e-08  
a 2.419089077628848 1.7503e-08 au
q 1.941690459924998 1.4274e-07 au
i 2.453472254923376 5.2308e-06 deg
node 38.44656660288179 9.5622e-05 deg
peri 333.5982316462075 9.6382e-05 deg
M 160.5249284749725 1.5893e-05 deg
tp 2458587.703604521434
(2019-Apr-14.20360452)
5.618e-05 TDB
period 1374.283137629172
3.76
1.4915e-05
4.084e-08
d
yr
n .2619547530948024 2.843e-09 deg/d
Q 2.896487695332699 2.0957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8870 days (24.28 yr)  
   first obs. used      1996-10-29  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:56  

Additional Information
 Earth MOID = .940838 au 
 Jupiter MOID = 2.56765 au 
 T_jup = 3.487 
[ show covariance matrix ]

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 16.43   n/a E2021B55  

160819 (2000 WE122)          Discovered 2000-Nov-29 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2000 WE122 = 1996 UD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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