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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270063233170135 3.3405e-08  
a 2.484250463932033 1.3768e-08 au
q 2.16873494630944 8.3309e-08 au
i 7.780591106626412 4.1544e-06 deg
node 77.63387211469359 3.762e-05 deg
peri 36.89014105891353 4.5589e-05 deg
M 227.2939089854106 2.7711e-05 deg
tp 2459727.705402848337
(2022-May-28.20540285)
0.00011243 TDB
period 1430.182620664607
3.92
1.1889e-05
3.255e-08
d
yr
n .2517161059003135 2.0925e-09 deg/d
Q 2.799765981554626 1.5516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7911 days (21.66 yr)  
   first obs. used      1999-01-12  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:21  

Additional Information
 Earth MOID = 1.19072 au 
 Jupiter MOID = 2.31755 au 
 T_jup = 3.453 
[ 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 15.87   n/a E2021B55  

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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