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16457 (1989 VF)
Classification: Main-belt Asteroid          SPK-ID: 2016457
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05793816640357963 6.0681e-08  
a 3.023687732342631 3.3533e-08 AU
q 2.848500809353701 1.8289e-07 AU
i 10.39220975645297 7.5451e-06 deg
node 35.58755772886526 3.8928e-05 deg
peri 64.72411072379266 8.2201e-05 deg
M 232.8553751759512 7.3136e-05 deg
tp 2457678.764891510354
(2016-Oct-17.26489151)
0.00039363 JED
period 1920.453666693607
5.26
3.1947e-05
8.747e-08
d
yr
n .1874557070776939 3.1183e-09 deg/d
Q 3.198874655331561 3.5476e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      22839 days (62.53 yr)  
   first obs. used      1952-12-11  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51612  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:18:39  

Additional Information
 Earth MOID = 1.88345 AU 
 T_jup = 3.218 
[ 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 12.7 mag n/a MPO302166  

16457 (1989 VF)          Discovered 1989-Nov-02 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 VF = 1999 TR90 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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