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JPL Small-Body Database Browser
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52551 (1997 AL)
Classification: Main-belt Asteroid          SPK-ID: 2052551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0515912967793662 4.3273e-08  
a 3.163067016111965 2.8619e-08 au
q 2.999880286950709 1.3485e-07 au
i 8.37603575742413 5.3342e-06 deg
node 311.1719888091808 3.8067e-05 deg
peri 158.5477947400649 6.9714e-05 deg
M 357.8643040790429 5.8557e-05 deg
tp 2458612.689838012808
(2019-May-09.18983801)
0.00033424 TDB
period 2054.759594542045
5.63
2.7887e-05
7.635e-08
d
yr
n .1752029779815848 2.3778e-09 deg/d
Q 3.326253745273222 3.0096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8374 days (22.93 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:02:51  

Additional Information
 Earth MOID = 2.0184 au 
 Jupiter MOID = 1.75081 au 
 T_jup = 3.186 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO468404  

52551 (1997 AL)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AL = 2000 QT169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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