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JPL Small-Body Database Browser
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154403 (2003 AM54)
Classification: Main-belt Asteroid          SPK-ID: 2154403
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003948066089279 6.1379e-08  
a 2.416886233814867 1.408e-08 au
q 1.932554784393757 1.4391e-07 au
i 1.852061792977131 5.0094e-06 deg
node 359.9224912064119 0.00018275 deg
peri 58.77765935848166 0.00018366 deg
M 267.312634440996 1.4762e-05 deg
tp 2459353.846485965594
(2021-May-19.34648597)
5.6986e-05 TDB
period 1372.406413543346
3.76
1.1993e-05
3.284e-08
d
yr
n .2623129682631943 2.2923e-09 deg/d
Q 2.901217683235978 1.6902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1998-11-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52451  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:28:42  

Additional Information
 Earth MOID = .945645 au 
 Jupiter MOID = 2.44412 au 
 T_jup = 3.488 
[ 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 16.7   n/a MPO436781  

154403 (2003 AM54)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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