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JPL Small-Body Database Browser
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39744 (1997 AT16)
Classification: Main-belt Asteroid          SPK-ID: 2039744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814663083178741 4.8799e-08  
a 2.448083869117827 1.1161e-08 au
q 2.003839126936477 1.1802e-07 au
i 3.328982423014839 5.1579e-06 deg
node 80.84785686003245 8.178e-05 deg
peri 319.0791562811455 8.2826e-05 deg
M 347.9251147064516 1.3528e-05 deg
tp 2458647.426523191355
(2019-Jun-12.92652319)
5.2721e-05 TDB
period 1399.064913512186
3.83
9.5679e-06
2.62e-08
d
yr
n .257314722514385 1.7597e-09 deg/d
Q 2.892328611299177 1.3187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1997-01-14  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:10:51  

Additional Information
 Earth MOID = 1.0128 au 
 Jupiter MOID = 2.51596 au 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO452720  

39744 (1997 AT16)          Discovered 1997-Jan-14 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AT16 = 1999 NP40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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