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101570 (1999 AJ38)
Classification: Main-belt Asteroid          SPK-ID: 2101570
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208156153694864 7.4365e-08  
a 2.523488480862841 1.0065e-08 au
q 1.998208824793136 1.864e-07 au
i 12.8139560933682 3.8149e-06 deg
node 27.79144103367621 2.9031e-05 deg
peri 71.44623817499905 3.0169e-05 deg
M 129.2711422166579 8.8331e-06 deg
tp 2458474.725520391451
(2018-Dec-22.22552039)
3.4641e-05 TDB
period 1464.200048158056
4.01
8.7597e-06
2.398e-08
d
yr
n .2458680427260436 1.4709e-09 deg/d
Q 3.048768136932545 1.216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      7926 days (21.70 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:47  

Additional Information
 Earth MOID = 1.05582 au 
 Jupiter MOID = 2.28015 au 
 T_jup = 3.390 
[ 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 14.4   n/a MPO474891  

101570 (1999 AJ38)          Discovered 1999-Jan-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 AJ38 = 1987 AL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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