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17557 (1994 AX)
Classification: Main-belt Asteroid          SPK-ID: 2017557
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898693805992072 3.2624e-08  
a 2.440601394177191 7.1852e-09 au
q 1.977205919175206 8.0657e-08 au
i 2.17252014189322 3.6949e-06 deg
node 199.85170704 0.00010737 deg
peri 182.4881499884555 0.00010799 deg
M 94.13171454686729 1.153e-05 deg
tp 2458836.352629907958
(2019-Dec-18.85262991)
4.4298e-05 TDB
period 1392.655534473083
3.81
6.15e-06
1.684e-08
d
yr
n .2584989547585488 1.1415e-09 deg/d
Q 2.903996869179176 8.5494e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      9929 days (27.18 yr)  
   first obs. used      1994-01-04  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:06:09  

Additional Information
 Earth MOID = .979029 au 
 Jupiter MOID = 2.55388 au 
 T_jup = 3.476 
[ 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 15.0   n/a MPO416896  

17557 (1994 AX)          Discovered 1994-Jan-04 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 AX = 2000 QL68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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