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16591 (1992 SY17)
Classification: Mars-crossing Asteroid          SPK-ID: 2016591
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2799508711742664 5.1237e-08  
a 2.290529289905831 1.5484e-08 AU
q 1.64929361974652 1.1401e-07 AU
i 8.419743994878315 1.0493e-05 deg
node 239.7573117978144 3.4769e-05 deg
peri 71.51087251776543 4.243e-05 deg
M 124.8309213581196 2.5945e-05 deg
tp 2456361.442018412347
(2013-Mar-09.94201841)
8.8558e-05 JED
period 1266.199685557909
3.47
1.284e-05
3.515e-08
d
yr
n .2843153446538551 2.883e-09 deg/d
Q 2.931764960065142 1.9819e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      22741 days (62.26 yr)  
   first obs. used      1951-11-08  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53652  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:36:40  

Additional Information
 Earth MOID = .658281 AU 
 T_jup = 3.532 
[ 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 MPO234928  

16591 (1992 SY17)          Discovered 1992-Sep-30 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 SY17 = 1985 QE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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