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16477 (1990 QH5)
Classification: Main-belt Asteroid          SPK-ID: 2016477
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08050428521204724 5.9938e-08  
a 2.191644257513161 1.2744e-08 AU
q 2.015207503122976 1.2663e-07 AU
i 3.716120085344989 5.7526e-06 deg
node 25.51412801307046 8.0489e-05 deg
peri 322.6188448708308 8.8522e-05 deg
M 168.212068707091 3.6588e-05 deg
tp 2456446.757099986994
(2013-Jun-03.25709999)
0.00012014 JED
period 1185.095965687263
3.24
1.0337e-05
2.83e-08
d
yr
n .303772867702936 2.6496e-09 deg/d
Q 2.368081011903346 1.377e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      8946 days (24.49 yr)  
   first obs. used      1990-08-25  
   last obs. used      2015-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56881  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:46:42  

Additional Information
 Earth MOID = 1.01052 AU 
 T_jup = 3.665 
[ 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 14.8 mag n/a MPO279689  

16477 (1990 QH5)          Discovered 1990-Aug-25 by Holt, H. E. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QH5 = 1999 JH20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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