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JPL Small-Body Database Browser
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249784 (2000 WD146)
Classification: Main-belt Asteroid          SPK-ID: 2249784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2555465952629712 6.745e-08  
a 3.096666451999022 2.9551e-08 au
q 2.305323883525607 2.109e-07 au
i 17.93730713265754 8.2492e-06 deg
node 184.0903836310841 1.7123e-05 deg
peri 155.9063597563564 2.1386e-05 deg
M 183.6274030508494 1.1748e-05 deg
tp 2459575.643835059823
(2021-Dec-27.14383506)
7.1798e-05 TDB
period 1990.398659961597
5.45
2.8491e-05
7.8e-08
d
yr
n .1808682889722935 2.589e-09 deg/d
Q 3.888009020472437 3.7102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2000-11-19  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:17:54  

Additional Information
 Earth MOID = 1.30843 au 
 Jupiter MOID = 1.63109 au 
 T_jup = 3.099 
[ 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 15.4   n/a MPO345631  

249784 (2000 WD146)          Discovered 2000-Nov-23 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2000 WD146 = 2005 PA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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