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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09503121377558833 7.2793e-08  
a 2.389520259807907 1.6137e-08 AU
q 2.162441249177003 1.75e-07 AU
i 5.627332515486246 7.5395e-06 deg
node 324.8345283084501 5.0841e-05 deg
peri 336.6504942632915 5.8117e-05 deg
M 174.8049955036039 3.1566e-05 deg
tp 2456145.387567667339
(2012-Aug-05.88756767)
0.00011708 JED
period 1349.163248797977
3.69
1.3667e-05
3.742e-08
d
yr
n .266832053363993 2.703e-09 deg/d
Q 2.616599270438812 1.7671e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1031  
   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      .57106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:09:08  

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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