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393467 (2002 AX144)
Classification: Main-belt Asteroid          SPK-ID: 2393467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08587401916028074 4.5285e-08  
a 2.394876554656441 1.8344e-08 au
q 2.189218879515367 1.187e-07 au
i 6.709875890303947 4.5559e-06 deg
node 129.6293736509007 4.6648e-05 deg
peri 337.8987418777788 6.232e-05 deg
M 352.8087948308213 3.8593e-05 deg
tp 2459027.540972359736
(2020-Jun-27.04097236)
0.00014506 TDB
period 1353.702170983516
3.71
1.5553e-05
4.258e-08
d
yr
n .2659373736088835 3.0555e-09 deg/d
Q 2.600534229797515 1.9919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6558 days (17.95 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:16:58  

Additional Information
 Earth MOID = 1.20743 au 
 Jupiter MOID = 2.4779 au 
 T_jup = 3.515 
[ 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 17.2   n/a MPO503477  

393467 (2002 AX144)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1937-Aug-17 16:18 00:02 Amphi 0.0220812461237672 0.022048334024681 0.0221141583998403 3.82478645544416 3.82478638737628 2428763.179013428 1.72773257422698 1643.24610102619 50.6765293564618 -3.44002009595259 4391.68357954056 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:16:59 2020-Nov-12 16:16
2122-Jul-19 07:03 < 00:01 Eunom 0.028858881326833 0.0288143492760149 0.0289034176138178 6.72716716365849 6.72716709135118 2496303.793535119 0.862033846962575 2287.44993518532 71.498612488432 -13.9595293375528 14673.934440269 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:16:59 2020-Nov-12 16:16

Alternate Designations
 2002 AX144 = 2006 DE56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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