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16585 (1992 QR)
Classification: Inner Main-belt Asteroid          SPK-ID: 2016585
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044604649276816 9.4618e-08  
a 1.923409059045512 1.4821e-08 AU
q 1.722488854491503 1.8516e-07 AU
i 22.99492895864614 1.0084e-05 deg
node 150.4006187047128 2.1029e-05 deg
peri 240.0124557250045 5.0772e-05 deg
M 18.38679771307839 5.2547e-05 deg
tp 2456750.736661318438
(2014-Apr-03.23666132)
0.000142 JED
period 974.3296361290608
2.67
1.1262e-05
3.083e-08
d
yr
n .3694848095047721 4.2706e-09 deg/d
Q 2.12432926359952 1.6369e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      13525 days (37.03 yr)  
   first obs. used      1976-11-18  
   last obs. used      2013-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5884  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-20 03:30:03  

Additional Information
 Earth MOID = .774539 AU 
 T_jup = 3.819 
[ 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 14.4 mag n/a MPO266044  
rotation period rot_per 5.255 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Warner, B.D. (2007) Minor Planet Bul. 34, 72-77.]
[Warner, B.D. (2012) Minor Planet Bul. 39, 158-167.]

16585 (1992 QR)          Discovered 1992-Aug-23 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 QR = 1991 CG3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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