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150337 (1999 WN12)
Classification: Main-belt Asteroid          SPK-ID: 2150337
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223418580177771 4.269e-08  
a 3.035689587925833 1.3196e-08 au
q 2.357460130331 1.3133e-07 au
i 2.307891295033974 4.7478e-06 deg
node 31.89898244167717 8.3695e-05 deg
peri 327.9514654061317 8.419e-05 deg
M 16.1605409032242 7.0994e-06 deg
tp 2459113.776287612862
(2020-Sep-21.27628761)
3.8124e-05 TDB
period 1931.899225795145
5.29
1.2597e-05
3.449e-08
d
yr
n .1863451235929911 1.215e-09 deg/d
Q 3.713919045520665 1.6144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7800 days (21.36 yr)  
   first obs. used      1999-09-05  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:56  

Additional Information
 Earth MOID = 1.35302 au 
 Jupiter MOID = 1.74023 au 
 T_jup = 3.202 
[ 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 15.2   n/a MPO439897  

150337 (1999 WN12)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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