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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241481323294082 7.1176e-08  
a 2.307368256747608 1.4991e-08 AU
q 2.02091279707623 1.6501e-07 AU
i 6.255572126647793 9.5562e-06 deg
node 151.0630293327907 4.4232e-05 deg
peri 239.6701785589964 5.6699e-05 deg
M 297.148314672998 3.4774e-05 deg
tp 2457224.005504800814
(2015-Jul-20.50550480)
0.00012411 JED
period 1280.188133534829
3.50
1.2476e-05
3.416e-08
d
yr
n .2812086681400298 2.7405e-09 deg/d
Q 2.593823716418986 1.6852e-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 = 1.03364 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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