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146706 (2001 WM6)
Classification: Main-belt Asteroid          SPK-ID: 2146706
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329918122363673 3.6363e-08  
a 2.727424250877239 1.673e-08 au
q 2.364699157015659 1.0295e-07 au
i 8.626681372859164 4.9579e-06 deg
node 339.2149697787336 2.8175e-05 deg
peri 127.926450775563 3.5029e-05 deg
M 350.7794311135813 2.079e-05 deg
tp 2459042.638850992274
(2020-Jul-12.13885099)
9.5126e-05 TDB
period 1645.233232795759
4.50
1.5138e-05
4.145e-08
d
yr
n .21881396073446 2.0133e-09 deg/d
Q 3.09014934473882 1.8955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      6980 days (19.11 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:54:58  

Additional Information
 Earth MOID = 1.39248 au 
 Jupiter MOID = 2.03256 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457138.5 (2015-Apr-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312913289833031 3.6598e-08  
q 2.369172515449567 1.0344e-07 au
tp 2457399.509617886268
(2016-Jan-12.00961789)
9.314e-05 TDB
node 339.2891551932232 2.8125e-05 deg
peri 128.3158879202329 3.5128e-05 deg
i 8.634227609142886 4.9611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      6980 days (19.11 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:54:58  

Additional Information
 Jupiter MOID = 2.03256 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.33937793406917E-15 -3.749357431749508E-15 3.011659586155903E-13 2.095909716033942E-15 1.219480542733546E-13 -1.369742356929324E-15
q -3.749357431749508E-15 1.069956884880158E-14 -6.514021016761806E-13 -6.767617776437919E-15 -3.069546534343307E-13 4.5179963454517E-15
tp 3.011659586155903E-13 -6.514021016761806E-13 8.675040138481026E-9 1.963296995949573E-12 1.974124891799392E-9 9.380146519439356E-12
node 2.095909716033942E-15 -6.767617776437919E-15 1.963296995949573E-12 7.910001654682022E-10 -7.811085600772926E-10 4.000402716849762E-11
peri 1.219480542733546E-13 -3.069546534343307E-13 1.974124891799392E-9 -7.811085600772926E-10 1.233977337961321E-9 -3.749069707375069E-11
i -1.369742356929324E-15 4.5179963454517E-15 9.380146519439356E-12 4.000402716849762E-11 -3.749069707375069E-11 2.461257140514894E-11

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 15.5   n/a MPO453933  

146706 (2001 WM6)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
2040-Mar-07 16:09 00:01 Eunom 0.0223163112729953 0.0223147820750221 0.0223178406178233 4.34447867448133 4.34447852969291 2466221.172676870 1.12566126206661 427.294152628143 74.4193987895876 87.7709884439425 44786.613826907 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:54:59 2020-Dec-18 04:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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