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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241481314729436 7.1031e-08  
a 2.307368256690749 1.4985e-08 AU
q 2.020912799002609 1.647e-07 AU
i 6.255572040266061 9.5411e-06 deg
node 151.0630291182659 4.4212e-05 deg
peri 239.6701791586836 5.6646e-05 deg
M 297.1483143477313 3.4734e-05 deg
tp 2457224.005505949226
(2015-Jul-20.50550595)
0.00012397 JED
period 1280.188133487509
3.50
1.2471e-05
3.414e-08
d
yr
n .2812086681504243 2.7395e-09 deg/d
Q 2.593823714378888 1.6846e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      11299 days (30.93 yr)  
   first obs. used      1983-07-17  
   last obs. used      2014-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:25:16  

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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