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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242283747109064 7.1164e-08  
a 2.307295598023686 1.4948e-08 AU
q 2.020664015903575 1.6502e-07 AU
i 6.255263759341298 9.5558e-06 deg
node 151.0660325080851 4.4237e-05 deg
peri 239.6817628814464 5.6688e-05 deg
M 240.8994724133108 3.4646e-05 deg
tp 2457224.010778414814
(2015-Jul-20.51077842)
0.00012403 JED
period 1280.127664576127
3.50
1.244e-05
3.406e-08
d
yr
n .2812219514990346 2.7329e-09 deg/d
Q 2.593927180143798 1.6805e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      949  
   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      .5745  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:14:55  

Additional Information
 Earth MOID = 1.03226 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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