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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 ]

[ 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 .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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08462274958084015 4.537e-08  
q 2.19191551894563 1.188e-07 au
tp 2457674.178100485042
(2016-Oct-12.67810048)
0.00015153 TDB
node 129.694971193311 4.6655e-05 deg
peri 337.9450703142824 6.2819e-05 deg
i 6.709350450167887 4.557e-06 deg
  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
 Jupiter MOID = 2.4779 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.058463121402512E-15 -5.352944268870517E-15 2.277336522818257E-12 2.241892369401981E-14 6.564712333177897E-13 3.428627052276002E-16
q -5.352944268870517E-15 1.411268826278681E-14 -6.17313958043597E-12 -5.735919041284186E-14 -1.776604764580806E-12 -4.026098850874774E-16
tp 2.277336522818257E-12 -6.17313958043597E-12 2.296034060839587E-8 7.312091293741843E-11 6.407344925351372E-9 2.07444390463946E-11
node 2.241892369401981E-14 -5.735919041284186E-14 7.312091293741843E-11 2.176643430985728E-9 -2.140700553862604E-9 5.728311646680908E-11
peri 6.564712333177897E-13 -1.776604764580806E-12 6.407344925351372E-9 -2.140700553862604E-9 3.946289081108636E-9 -5.10918007440515E-11
i 3.428627052276002E-16 -4.026098850874774E-16 2.07444390463946E-11 5.728311646680908E-11 -5.10918007440515E-11 2.076616433924583E-11

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

[ hide close-approach data ]
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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