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29171 (1990 QK3)
Classification: Main-belt Asteroid          SPK-ID: 2029171
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242284378473538 7.4067e-08  
a 2.307295587265412 1.4497e-08 AU
q 2.020663860807337 1.713e-07 AU
i 6.255265263360825 9.6966e-06 deg
node 151.0660031870639 4.771e-05 deg
peri 239.681803686841 5.9856e-05 deg
M 240.8994699684192 3.5585e-05 deg
tp 2457224.010784146560
(2015-Jul-20.51078415)
0.00012748 JED
period 1280.127655622811
3.50
1.2065e-05
3.303e-08
d
yr
n .2812219534659237 2.6505e-09 deg/d
Q 2.593927313723487 1.6298e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      10895 days (29.83 yr)  
   first obs. used      1983-07-17  
   last obs. used      2013-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60018  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:26:26  

Additional Information
 Earth MOID = 1.03225 AU 
 T_jup = 3.569 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263593  

29171 (1990 QK3)          Discovered 1990-Aug-28 by Holt, H. E. at Palomar (675)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QK3 = 1992 EP2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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