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175766 (1998 VW18)
Classification: Main-belt Asteroid          SPK-ID: 2175766
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2739375963667929 4.6088e-08  
a 2.611191712575061 1.4827e-08 au
q 1.895888131179359 1.2618e-07 au
i 3.541882295391378 4.5478e-06 deg
node 254.5366270927824 6.0076e-05 deg
peri 193.385834262064 6.0659e-05 deg
M 60.50410415673203 7.3883e-06 deg
tp 2458941.476659965507
(2020-Apr-01.97665997)
3.0594e-05 TDB
period 1541.191357380704
4.22
1.3127e-05
3.594e-08
d
yr
n .2335855299706778 1.9896e-09 deg/d
Q 3.326495293970763 1.8889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-11-10  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:43  

Additional Information
 Earth MOID = .912186 au 
 Jupiter MOID = 1.90991 au 
 T_jup = 3.353 
[ 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 16.33   n/a E2021B55  

175766 (1998 VW18)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1998 VW18 = 2002 UX44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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