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175770 (1998 WG38)
Classification: Main-belt Asteroid          SPK-ID: 2175770
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291110618499596 5.914e-08  
a 2.564467693066252 2.1342e-08 au
q 2.233366546134552 1.5266e-07 au
i 1.995928604341534 7.7497e-06 deg
node 219.3462503325923 0.00012676 deg
peri 32.16853426255966 0.00012964 deg
M 289.0153700766853 2.5695e-05 deg
tp 2459496.271345464556
(2021-Oct-08.77134546)
0.00010761 TDB
period 1500.010417498391
4.11
1.8725e-05
5.127e-08
d
yr
n .2399983332118333 2.9959e-09 deg/d
Q 2.895568839997952 2.4097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1998-11-21  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:49:29  

Additional Information
 Earth MOID = 1.2178 au 
 Jupiter MOID = 2.13362 au 
 T_jup = 3.420 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO454208  

175770 (1998 WG38)          Discovered 1998-Nov-21 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1998 WG38 = 2002 UL43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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