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16471 (1990 OR3)
Classification: Main-belt Asteroid          SPK-ID: 2016471
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09503125867065304 7.0448e-08  
a 2.389520265604343 1.732e-08 AU
q 2.162441147144929 1.702e-07 AU
i 5.627329061880237 7.2876e-06 deg
node 324.8344617186567 4.8927e-05 deg
peri 336.6505450531149 5.542e-05 deg
M 174.8050056431015 2.8419e-05 deg
tp 2456145.387527284058
(2012-Aug-05.88752728)
0.00010576 JED
period 1349.163253707124
3.69
1.4669e-05
4.016e-08
d
yr
n .2668320523930818 2.9012e-09 deg/d
Q 2.616599384063756 1.8966e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      23111 days (63.27 yr)  
   first obs. used      1950-12-09  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54115  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:34:42  

Additional Information
 Earth MOID = 1.14762 AU 
 T_jup = 3.520 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO267771  

16471 (1990 OR3)          Discovered 1990-Jul-27 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OR3 = 1990 PE = 1999 XG229 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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