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56079 (1999 AS2)
Classification: Main-belt Asteroid          SPK-ID: 2056079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03609661386855294 5.3763e-08  
a 2.575481121369344 1.3371e-08 au
q 2.482514973805527 1.3577e-07 au
i 14.93893131804949 5.9207e-06 deg
node 346.4712418683448 1.4381e-05 deg
peri 207.8900203573592 6.1729e-05 deg
M 8.560408000081082 5.7743e-05 deg
tp 2458964.601364082746
(2020-Apr-25.10136408)
0.00024227 TDB
period 1509.683759242457
4.13
1.1757e-05
3.219e-08
d
yr
n .2384605370469403 1.857e-09 deg/d
Q 2.668447268933161 1.3854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1366  
   data-arc span      8294 days (22.71 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:01:01  

Additional Information
 Earth MOID = 1.49167 au 
 Jupiter MOID = 2.31319 au 
 T_jup = 3.379 
[ 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 14.1   n/a MPO365901  

56079 (1999 AS2)          Discovered 1999-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AS2 = 2001 QT81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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