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215119 (1998 WU38)
Classification: Main-belt Asteroid          SPK-ID: 2215119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528029437996692 7.1074e-08  
a 2.685137856196939 2.3674e-08 au
q 2.274840887262114 1.8875e-07 au
i 2.963439838365987 7.3993e-06 deg
node 66.68524475086814 0.00017033 deg
peri 37.59296302425255 0.00017514 deg
M 281.7891250791492 3.4129e-05 deg
tp 2459349.650727721672
(2021-May-15.15072772)
0.00015305 TDB
period 1607.12000865614
4.40
2.1255e-05
5.819e-08
d
yr
n .2240031846165793 2.9625e-09 deg/d
Q 3.095434825131764 2.7292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      1998-11-15  
   last obs. used      2017-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63145  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 23:35:19  

Additional Information
 Earth MOID = 1.29257 au 
 Jupiter MOID = 2.04317 au 
 T_jup = 3.356 
[ 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 17.3   n/a MPO396617  

215119 (1998 WU38)          Discovered 1998-Nov-21 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1998 WU38 = 2004 CE127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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