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19180 (1991 RK16)
Classification: Main-belt Asteroid          SPK-ID: 2019180
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390901000141611 6.707e-08  
a 2.593543960996509 2.3774e-08 AU
q 2.232807672070381 1.758e-07 AU
i 2.845939433831178 6.4837e-06 deg
node 61.55870653792044 0.00012329 deg
peri 283.4907594359385 0.00012572 deg
M 163.8023801942822 2.3559e-05 deg
tp 2456106.344842307694
(2012-Jun-27.84484231)
0.00010086 JED
period 1525.593562638311
4.18
2.0977e-05
5.743e-08
d
yr
n .2359737277453033 3.2446e-09 deg/d
Q 2.954280249922637 2.7081e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1991-09-07  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:13:30  

Additional Information
 Earth MOID = 1.22625 AU 
 T_jup = 3.403 
[ 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 13.9 mag n/a MPO257005  

19180 (1991 RK16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RK16 = 1998 FM63 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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