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101556 (1999 AW5)
Classification: Main-belt Asteroid          SPK-ID: 2101556
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126507195395567 3.3359e-08  
a 2.485803867245527 1.3778e-08 au
q 2.171331791696841 8.3259e-08 au
i 7.784556486094091 4.159e-06 deg
node 77.6724846509719 3.763e-05 deg
peri 36.55024327067164 4.5687e-05 deg
M 177.3346887046628 2.7627e-05 deg
tp 2458295.336358203810
(2018-Jun-25.83635820)
0.00010692 TDB
period 1431.52427142673
3.92
1.1902e-05
3.259e-08
d
yr
n .2514801929562854 2.0908e-09 deg/d
Q 2.800275942794213 1.5521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      7911 days (21.66 yr)  
   first obs. used      1999-01-12  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:52  

Additional Information
 Earth MOID = 1.19336 au 
 Jupiter MOID = 2.31821 au 
 T_jup = 3.452 
[ 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 15.8   n/a MPO337993  

101556 (1999 AW5)          Discovered 1999-Jan-12 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 AW5 = 2001 TX131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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