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344862 (2004 HX38)
Classification: Inner Main-belt Asteroid          SPK-ID: 2344862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07632437610161109 4.8553e-08  
a 1.831582537031899 1.1938e-08 au
q 1.691788142614333 8.6308e-08 au
i 23.31155774105082 1.1271e-05 deg
node 58.07494238216439 1.2688e-05 deg
peri 240.4837832539056 7.5591e-05 deg
M 308.2399403387085 7.464e-05 deg
tp 2458730.675854030815
(2019-Sep-04.17585403)
0.00018815 TDB
period 905.3951590813153
2.48
8.8517e-06
2.423e-08
d
yr
n .3976164400583764 3.8874e-09 deg/d
Q 1.971376931449464 1.2849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      5020 days (13.74 yr)  
   first obs. used      2004-04-16  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:18  

Additional Information
 Earth MOID = .726763 au 
 Jupiter MOID = 3.12699 au 
 T_jup = 3.927 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456955.5 (2014-Oct-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07638730352253927 4.8458e-08  
q 1.691573006503542 8.6061e-08 au
tp 2456920.380712369383
(2014-Sep-19.88071237)
0.00018275 TDB
node 58.09748882353213 1.2693e-05 deg
peri 240.5694608354469 7.5523e-05 deg
i 23.30853795377657 1.1269e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      5020 days (13.74 yr)  
   first obs. used      2004-04-16  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:18  

Additional Information
 Jupiter MOID = 3.12699 au 
 T_jup = 3.927 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.348148544001774E-15 -4.138919814072767E-15 -3.506748749281873E-12 -1.004090256548514E-14 -1.484722643718604E-12 4.004587674371178E-14
q -4.138919814072767E-15 7.406491218722041E-15 6.923019027097379E-12 1.434127693237546E-14 2.916017609805674E-12 -7.081427482944227E-14
tp -3.506748749281873E-12 6.923019027097379E-12 3.339614871856427E-8 -1.029968592790023E-10 1.361709487924623E-8 -1.280987880519131E-10
node -1.004090256548514E-14 1.434127693237546E-14 -1.029968592790023E-10 1.611122413349661E-10 -1.883157798361821E-10 -7.245879727461052E-11
peri -1.484722643718604E-12 2.916017609805674E-12 1.361709487924623E-8 -1.883157798361821E-10 5.703700649394462E-9 1.366292914339772E-11
i 4.004587674371178E-14 -7.081427482944227E-14 -1.280987880519131E-10 -7.245879727461052E-11 1.366292914339772E-11 1.269981502589489E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO297658  

344862 (2004 HX38)          Discovered 2004-Apr-24 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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