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65684 (1990 QY5)
Classification: Main-belt Asteroid          SPK-ID: 2065684
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880052244030465 1.1871e-07  
a 2.681631936518138 2.284e-08 AU
q 2.177471122526669 3.199e-07 AU
i 12.54648140139965 1.1477e-05 deg
node 332.4565773290105 2.6628e-05 deg
peri 26.3853446278876 3.6049e-05 deg
M 174.6101462269531 2.0996e-05 deg
tp 2456222.527660910525
(2012-Oct-22.02766091)
9.1659e-05 JED
period 1603.973469606881
4.39
2.0492e-05
5.61e-08
d
yr
n .2244426150566148 2.8674e-09 deg/d
Q 3.185792750509606 2.7134e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      8675 days (23.75 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54481  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 15:28:47  

Additional Information
 Earth MOID = 1.1798 AU 
 T_jup = 3.317 
[ 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 13.8 mag n/a MPO280159  

65684 (1990 QY5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar (675)
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QY5 = 1999 RB110 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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