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70446 Pugh (1999 TY13)
Classification: Main-belt Asteroid          SPK-ID: 2070446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031238759998286 4.2962e-08  
a 2.636648260310492 1.1108e-08 au
q 2.364746872059069 1.1821e-07 au
i 3.039662884772175 4.1073e-06 deg
node 135.5407185693286 7.2306e-05 deg
peri 265.1717302221705 7.5088e-05 deg
M 334.7223795620219 2.052e-05 deg
tp 2459310.302040253501
(2021-Apr-05.80204025)
8.9329e-05 TDB
period 1563.783845407812
4.28
9.8825e-06
2.706e-08
d
yr
n .2302108447130795 1.4548e-09 deg/d
Q 2.908549648561915 1.2254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-08-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:45  

Additional Information
 Earth MOID = 1.37408 au 
 Jupiter MOID = 2.45273 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.43   n/a E2021B10  

70446 Pugh           Discovered 1999 Oct. 10 by S. Sposetti at Gnosca.
U.S. physicist George Pugh (b. 1926) was the first to propose, in 1959, a test of general relativity's frame dragging, via a combination telescope/gyroscope in a drag-free satellite. In 2004, after more than 40 years of very innovative developments, a Stanford-led team began such a space experiment: Gravity Probe B.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 1999 TY13 = 1990 QJ19 = 2001 DH59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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