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214121 (2004 XA28)
Classification: Main-belt Asteroid          SPK-ID: 2214121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789689633421398 4.2823e-08  
a 2.333924291668254 1.4055e-08 au
q 1.916224280669348 9.832e-08 au
i 3.037508214166316 5.6331e-06 deg
node 54.7856874986407 0.00011461 deg
peri 58.87833349801728 0.00011666 deg
M 99.19713540961291 2.1358e-05 deg
tp 2458641.639875645008
(2019-Jun-07.13987564)
7.5833e-05 TDB
period 1302.352575347431
3.57
1.1764e-05
3.221e-08
d
yr
n .276422841874415 2.497e-09 deg/d
Q 2.751624302667159 1.657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-09-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:02:56  

Additional Information
 Earth MOID = .934824 au 
 Jupiter MOID = 2.35451 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791305089785694 4.2985e-08  
q 1.916228051672058 9.8861e-08 au
tp 2457340.168253792521
(2015-Nov-13.66825379)
7.1569e-05 TDB
node 54.79936643663207 0.00011464 deg
peri 59.13643851893438 0.00011667 deg
i 3.037350221250199 5.6321e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-09-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:02:56  

Additional Information
 Jupiter MOID = 2.35451 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.847727561235169E-15 -4.221704889597531E-15 9.120584493004271E-13 1.683102826452346E-14 2.541037133773897E-13 -3.242291579824946E-15
q -4.221704889597531E-15 9.773421516945294E-15 -1.915032962122999E-12 -3.896045203890218E-14 -5.278911391386816E-13 7.387554676065271E-15
tp 9.120584493004271E-13 -1.915032962122999E-12 5.122166252693343E-9 1.55512605326232E-11 1.588628893796803E-9 -5.343296740098942E-12
node 1.683102826452346E-14 -3.896045203890218E-14 1.55512605326232E-11 1.314144090280676E-8 -1.31178081495366E-8 -2.319445475561922E-10
peri 2.541037133773897E-13 -5.278911391386816E-13 1.588628893796803E-9 -1.31178081495366E-8 1.361229184135459E-8 2.299864124073348E-10
i -3.242291579824946E-15 7.387554676065271E-15 -5.343296740098942E-12 -2.319445475561922E-10 2.299864124073348E-10 3.172025820130658E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO459955  

214121 (2004 XA28)          Discovered 2004-Dec-10 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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