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67878 (2000 WR40)
Classification: Main-belt Asteroid          SPK-ID: 2067878
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110741451913958 4.3849e-08  
a 2.406168568393329 9.7675e-09 au
q 2.139705967579722 1.0534e-07 au
i 7.618008833619793 5.1222e-06 deg
node 148.2729459844452 2.5582e-05 deg
peri 208.5531158190962 3.0952e-05 deg
M 206.8308298906618 1.6989e-05 deg
tp 2459780.537883804874
(2022-Jul-20.03788381)
6.471e-05 TDB
period 1363.287651298857
3.73
8.3011e-06
2.273e-08
d
yr
n .2640675279769563 1.6079e-09 deg/d
Q 2.672631169206936 1.0849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      9387 days (25.70 yr)  
   first obs. used      1995-07-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:33:06  

Additional Information
 Earth MOID = 1.13601 au 
 Jupiter MOID = 2.74474 au 
 T_jup = 3.502 
[ 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 15.49   n/a MPCxxxxx  

67878 (2000 WR40)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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