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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09532420485088403 6.8334e-08  
a 2.388572038058999 1.706e-08 AU
q 2.160883307801969 1.6615e-07 AU
i 5.62888058765725 7.1792e-06 deg
node 324.8310434282746 4.7709e-05 deg
peri 336.9610130467618 5.4292e-05 deg
M 227.8326585807091 2.8339e-05 deg
tp 2457495.525528494293
(2016-Apr-17.02552849)
0.00010705 JED
period 1348.360255598925
3.69
1.4446e-05
3.955e-08
d
yr
n .2669909606910599 2.8605e-09 deg/d
Q 2.616260768316028 1.8686e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      23423 days (64.13 yr)  
   first obs. used      1950-12-09  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54092  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:46:16  

Additional Information
 Earth MOID = 1.14798 AU 
 T_jup = 3.521 
[ 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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