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168334 (1994 PQ1)
Classification: Main-belt Asteroid          SPK-ID: 2168334
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3398167875771155 1.6654e-07  
a 2.638518071776941 3.9933e-08 AU
q 1.741905336661536 4.3853e-07 AU
i 27.34014293281995 2.7871e-05 deg
node 80.3171577646682 4.5147e-05 deg
peri 266.2906100973109 7.118e-05 deg
M 257.4987247287577 3.8488e-05 deg
tp 2457446.223266353342
(2016-Feb-27.72326635)
0.00017193 JED
period 1565.44760504284
4.29
3.5539e-05
9.73e-08
d
yr
n .2299661763449108 5.2207e-09 deg/d
Q 3.535130806892345 5.3503e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      12397 days (33.94 yr)  
   first obs. used      1977-09-22  
   last obs. used      2011-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55621  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 12:12:10  

Additional Information
 Earth MOID = .949405 AU 
 T_jup = 3.162 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO126840  

168334 (1994 PQ1)          Discovered 1994-Aug-12 by McNaught, R. H. at Siding Spring (413)
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

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