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JPL Small-Body Database Browser
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379370 (2009 WX242)
Classification: Main-belt Asteroid          SPK-ID: 2379370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297340547645678 6.9607e-08  
a 2.623908768489634 3.6258e-08 au
q 2.28349844462117 1.9658e-07 au
i 2.667999427345438 8.2927e-06 deg
node 165.8440891026696 0.00011317 deg
peri 35.96658864836427 0.00011668 deg
M 51.62901804481663 3.1848e-05 deg
tp 2458777.855030272656
(2019-Oct-21.35503027)
0.00013498 TDB
period 1552.463946385106
4.25
3.2179e-05
8.81e-08
d
yr
n .2318894431257201 4.8065e-09 deg/d
Q 2.964319092358098 4.0962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      3804 days (10.41 yr)  
   first obs. used      2008-09-06  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:22  

Additional Information
 Earth MOID = 1.28117 au 
 Jupiter MOID = 1.99225 au 
 T_jup = 3.390 
[ 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 16.9   n/a MPO427885  

379370 (2009 WX242)          Discovered 2009-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Aug-03 21:28 00:05 Jupiter 1.99004567196053 1.99004487530708 1.99004646862371 2.49566800430556 2.31885735102032 2425462.394352972 5.15521053076579 292.93652273131 9.46223221910811 85.7095825885082 1968471.92383265 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 03:10:24 2020-Feb-26 03:10
2153-May-18 17:34 00:08 Jupiter 1.99808519433347 1.99808382184308 1.9980865668627 2.54939945608284 2.37731010849824 2507565.231734483 8.16562707112973 507.429201136361 11.3753628982234 -86.3438521100764 1733384.13299352 T 14 CATAB v2.0f-lin.ifort 2020-Feb-26 03:10:24 2020-Feb-26 03:10

Alternate Designations
 2009 WX242 = 2008 SY37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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