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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08016531968784689 6.4359e-08  
a 2.191860376334708 1.3077e-08 AU
q 2.016149188554712 1.3632e-07 AU
i 3.71553797329305 6.2148e-06 deg
node 25.54928630233162 8.7228e-05 deg
peri 322.4407665121055 9.6577e-05 deg
M 107.6485383280741 4.0497e-05 deg
tp 2456446.075780266834
(2013-Jun-02.57578027)
0.00013337 JED
period 1185.271264112134
3.25
1.0607e-05
2.904e-08
d
yr
n .3037279405146717 2.7182e-09 deg/d
Q 2.367571564114705 1.4126e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      8613 days (23.58 yr)  
   first obs. used      1990-08-25  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58699  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:09:08  

Additional Information
 Earth MOID = 1.00976 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 (675)
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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